2026-07-28T15:02:10Z https://nostr.ae julesh https://nostr.ae/npub1whrara5n38jvwcnkhwz346nl2sn969zu0guk0pvfeltzecn2axesdzqc2t https://media.mathstodon.xyz/accounts/avatars/109/257/794/123/587/158/original/36ca43f59c382f91.jpg https://media.mathstodon.xyz/accounts/avatars/109/257/794/123/587/158/original/36ca43f59c382f91.jpg https://nostr.ae/nevent1qqs0v0g50z2zw5e23j0n4kmev3zjhmpd7mg3juel52nzelryla7dchczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxr7rdj9 In reply to <a href='/nevent1qqsqvqr7p2dsv7gwqfaeukazncf8whp9c0grw0282454tcn0ul3teqcl5wmp6'>nevent1q…wmp6</a><br/>_________________________<br/><br/>I wish I knew where I could put my papers that will outlive me paying my hosting bills, because I am no long sure that the arXiv is it 2026-07-15T10:10:15Z https://nostr.ae/nevent1qqsqvqr7p2dsv7gwqfaeukazncf8whp9c0grw0282454tcn0ul3teqczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx8vg5ha Time to add &#34;backup all of my arXiv papers&#34; to my migration todo list, I guess 2026-07-15T10:02:27Z https://nostr.ae/nevent1qqsznc2p36y8s7mrgr4fmtt4wgex79nxxeev60qpatlkymcjqcjrzjgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxtc5ay2 In reply to <a href='/nevent1qqsxmc5ydsr5xa7lpaaawwnt2akaxexclfhzqqgd9dz4tu9r8ww599cn5cdxx'>nevent1q…cdxx</a><br/>_________________________<br/><br/>(This is your periodic reminder that if you ever visit the UK you should *really* use a vpn, unless you want this list of 48 government agencies to be able to see your stuff without a warrant<br/><a href="https://en.wikipedia.org/wiki/Investigatory_Powers_Act_2016#Authorities_allowed_to_access_Internet_connection_records">https://en.wikipedia.org/wiki/Investigatory_Powers_Act_2016#Authorities_allowed_to_access_Internet_connection_records</a> 2026-06-22T20:55:04Z https://nostr.ae/nevent1qqsxmc5ydsr5xa7lpaaawwnt2akaxexclfhzqqgd9dz4tu9r8ww599czyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxu5sr3s RE: <a href="https://mstdn.social/@hkrn/116792861660199455">https://mstdn.social/@hkrn/116792861660199455</a><br/><br/>I have been thinking about setting up a VPS to practice in advance of a VPN ban in the UK (or a requirement to use government id, which for me is an unbreakable red line equivalent to a ban). But, perhaps it will not be necessary after all?<blockquote class="border-l-05rem border-l-strongpink border-solid"><div class="-ml-4 bg-gradient-to-r from-gray-100 dark:from-zinc-800 to-transparent mr-0 mt-0 mb-4 pl-4 pr-2 py-2">quoting <br/><span itemprop="mentions" itemscope itemtype="https://schema.org/Article"><a itemprop="url" href="/note1j7rky9w4c72mc0c2at8jyrhckshhd4ujldy7a47zuha6dwu77x7s2v2uhw" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1">note1j7r…2uhw</a></span><br/> </div> Mullvad to China: Block This. We Dare You<br/>L: <a href="https://michael-dev-tech.github.io/Website/mullvad.html">https://michael-dev-tech.github.io/Website/mullvad.html</a><br/>C: <a href="https://news.ycombinator.com/item?id=48627024">https://news.ycombinator.com/item?id=48627024</a><br/>posted on 2026.06.22 at 03:43:52 (c=0, p=4) </blockquote> 2026-06-22T20:43:24Z https://nostr.ae/nevent1qqsvkdzsjga8ga0vmua4kh5mzuq65ulp8fzhxa2cvjljggwrczs6zvqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxcrp96a In reply to <a href='/nevent1qqsf0v4z44jjk0skn62gqya8tamnuwqh5x07hl2a56gcy8fw9z54y3qef5jtq'>nevent1q…5jtq</a><br/>_________________________<br/><br/>I wonder what it would take to hook up an old school mechanical typewriter as a keyboard, those take a lot of force to press 2026-04-01T23:48:40Z https://nostr.ae/nevent1qqswls83q8p2txz9uum0r55caq2t9w9cg46gqzfq7zf0hgzrg43j24qzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxzwktjp In reply to <a href='/nevent1qqs298exmkwzeergcd834f9pks26sh6u4m2vztt8edkmpcdkvzaesgcm3ns4l'>nevent1q…ns4l</a><br/>_________________________<br/><br/>No doubt they will say it&#39;s impossible because a bunch of contracts are already signed, or some other thinly veiled excuse 2026-03-15T17:45:45Z https://nostr.ae/nevent1qqsx8l9egh5phn7xqd36flu6uk69ryx28w5l3saggsf84njmfvwgt0qzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxs4zxz0 The greatest bamboozle that the English language ever pulled is using the same word for legal rights and actual rights. The second-greatest is using the same word for proof-objects and actual proofs 2026-03-09T16:57:36Z https://nostr.ae/nevent1qqsdmjem6sffddq7z5u287dc3xhhqknwlkzdl094a2h8kupk4mr8svczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxk74cuw In reply to <a href='/nevent1qqsyr5l3k6a07ff3tg788zrht9jevwxym32mkxz08pugl6ec96pysrg7vpgr5'>nevent1q…pgr5</a><br/>_________________________<br/><br/>Quick question, why can&#39;t I find any Pythagorean triples but for cubes or higher exponents? 2026-02-23T21:31:25Z https://nostr.ae/nevent1qqswxuq3nvh9uwpg322pp5zp3ftnnjpacq5utkq022mdy4n7w2sfdkczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxfhdhak Starting writing the introduction paragraph of a blog post after finishing the rest of it, and my muscle memory literally typed &#34;In this paper&#34; before I could stop it 2026-02-19T14:44:18Z https://nostr.ae/nevent1qqszhesfld0dzpnv5t0006vtuhw7vvlqkr9xrtsy7uptqwqn2uryesqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxwjqu8y In reply to <a href='/nevent1qqs8vc0xs9p8pqjfggffxzskxdvtvc82q6wt3xgglnl038ceqjmm0fs2xa4tx'>nevent1q…a4tx</a><br/>_________________________<br/><br/>I wonder if there&#39;s some model theoretic universality result that all finite (or not too big) commutative rings embed into one specific commutative ring that involves numbers, like the ring of rationals or something like that? 2026-02-16T21:22:17Z https://nostr.ae/nevent1qqs2fhj4ey6pd35lwdrlfcr8253clurnrh04l4y2l9nev2uuped3nqszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxlaalc7 In reply to <a href='/nevent1qqstrygzhvt0vqsej3tvwlkfuyvuwu3s97t7pleq6a2yspes3trdwpq9xmwld'>nevent1q…mwld</a><br/>_________________________<br/><br/>I wonder what this looks like for rings that have very little to do with numbers, like boolean rings or rings of functions 2026-02-16T20:56:15Z https://nostr.ae/nevent1qqsvs93s7nshmd2nhxfz7p3knuk6rz6k85kmee5s9n5whgam4ndgjqqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx82fnqe Today I learned that during the ice age there was a really big river in Doggerland that included the Rhine, the Seine and the Thames as tributaries. Or I guess you could say, the Rhine continued and gained the Seine and Thames as tributaries<br/><a href="https://en.wikipedia.org/wiki/Channel_River">https://en.wikipedia.org/wiki/Channel_River</a> 2026-01-24T00:22:20Z https://nostr.ae/nevent1qqsd868m5n7uu0tyefyfydnvr8fhrte6m54w95eajeqfzaxl5pgcr9czyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxk09660 &#34;Lines of code&#34; is a metric invented by languages without pattern matching, to sell more verbosity 2026-01-14T12:28:52Z https://nostr.ae/nevent1qqsvtmknlx7ylj4nzlf9289wfrcdnvdw74nplwzhp20nu5r4frhdmcgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx4fraq8 I thought the point of python was to sacrifice both speed and theoretical discipline in order to maximise user friendliness, but honestly it&#39;s not even very user friendly, I could do better 2026-01-14T12:19:15Z https://nostr.ae/nevent1qqsp77hq7lekqxgwx2cy0gclgsm9smxyntw3um5vy3kc90grh7ql58czyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxd6pf9x In reply to <a href='/nevent1qqs0t7jh63e4p72yutj2q2tzpt2y3k2kxn3c7vg6g7mcxrnqxf8e6dgs4j8a2'>nevent1q…j8a2</a><br/>_________________________<br/><br/>This is definitely true for keyboard instruments and most ensembles, but most non-keyboard instruments have a &#34;natural&#34; key (eg. G for violin, which causes the lowest string to resonate on the fundamental and the next string to resonant on the 5th), and I reckon some very pedantic people playing solo instrumental music must tune a few cents off the standard tuning to match that 2025-12-26T13:07:44Z https://nostr.ae/nevent1qqsfs6xpva6gzenzqx9klnlqjdc2wprmc0gdwtfa7lmvqygt4tnganqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxw3j50q In reply to <a href='/nevent1qqsdrm5ekufcwq6u0qkxj08zurwz6v45xgzcasl2e2lfpx8r9edzrzqe7k7f5'>nevent1q…k7f5</a><br/>_________________________<br/><br/>A discrete manifold equipped with an approximate scalar field? That sounds like it could be useful for some other stuff too 2025-12-26T11:06:23Z https://nostr.ae/nevent1qqs8ewcn9ne4wjpwy2hfk6rympy0u43y72fa8jv0vtyph9vgk8l4ajqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx0zsu3d In reply to <a href='/nevent1qqst80yxddnx2ht2j6d522s7ha63mqxf860hz57xdj459829n3pp9wsm3pqrh'>nevent1q…pqrh</a><br/>_________________________<br/><br/>&#34;up to and including&#34;, you forgot to include the counts from days 1 and 2 in day 3 2025-12-25T16:50:12Z https://nostr.ae/nevent1qqsxgf2gnt2kce2fm7gtwy9a55rjm5xrhj8naydrxsrjpa4zfpjtv5czyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx2hhv3a In reply to <a href='/nevent1qqs8acrue3nnhjtmp76cfa86kygf0rxwyg9mc0z9k55uuwygh7kv23g96zz50'>nevent1q…zz50</a><br/>_________________________<br/><br/>Note that this assumes that every pair of 1 partridge in 1 pair tree counts as a single gift 2025-12-25T14:41:08Z https://nostr.ae/nevent1qqsr9xme46rv7fugllndxuft3x0lgdra9zp2hz9209xyd6lh9m56zjgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxyd7pw6 In reply to <a href='/nevent1qqs0eh93ehmjqxr25zhryp9utve3vyl0nat2qgqcrddk5fvapdmu3fqfyssct'>nevent1q…ssct</a><br/>_________________________<br/><br/>Today is the first day of Christmas so you should only expect a(1) = 1 gifts 2025-12-25T13:32:19Z https://nostr.ae/nevent1qqs8acrue3nnhjtmp76cfa86kygf0rxwyg9mc0z9k55uuwygh7kv23gzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxyekcr6 In reply to <a href='/nevent1qqsxs93favnuqk85x7kk6s98ejy2q6pgts3p5kk280e7j9qken7pm0qsmrnn0'>nevent1q…rnn0</a><br/>_________________________<br/><br/>Also public service announcement that today is the *first* day of Christmas. The 12th day of Christmas, aka Twelfth Night, is January 5. Advent is something different. 2025-12-25T10:44:44Z https://nostr.ae/nevent1qqsxs93favnuqk85x7kk6s98ejy2q6pgts3p5kk280e7j9qken7pm0qzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxe62xlq The number of gifts sent to you by your true love up to and including the 𝑛th day of Christmas is<br/>𝑛(𝑛+1)(𝑛+2)/6<br/><a href="https://oeis.org/A000292">https://oeis.org/A000292</a> 2025-12-25T10:39:36Z https://nostr.ae/nevent1qqsr8tj8h92rzgt08t7gxvz0tu55rmymlcg3ertmugh6skfvdklr64gzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxz2yvah In reply to <a href='/nevent1qqspcn8lwscvc4sumgsukvfxca4vnkgfj5dlnjxwzaandejxrnz90as4n4f5y'>nevent1q…4f5y</a><br/>_________________________<br/><br/>It didn&#39;t occur to me before to switch to HAL, I&#39;ll actually think about that now 2025-12-22T13:12:42Z https://nostr.ae/nevent1qqsqquhqp6g9fxcputykpmuy22dgsswuvhy8zg0m9ejnq0dl8t78f0czyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx8ln0vy In reply to <a href='/nevent1qqsv5kfqer62zcgdn2c0cuj3p526whchkz7vevq3u8hmc8kutu952usetw3qn'>nevent1q…w3qn</a><br/>_________________________<br/><br/>I&#39;m not sure I have that much to say, especially not that you haven&#39;t already said. To be honest, I feel like doing interdisciplinary research is so difficult that if you&#39;re in a position where advice from a blog would help you, you&#39;ve probably already failed 2025-12-21T21:01:43Z https://nostr.ae/nevent1qqstpdxrv0d8z8nqznsp636874lj2dnmu62385z7xjyqywwzl73lrfqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxz2vf9d In reply to <a href='/nevent1qqsprt0y6xumqp893xs4xkevulqg2vxd3hjhlqhuua2q5ffcuh832rquk77t0'>nevent1q…77t0</a><br/>_________________________<br/><br/>I had to scan back through my blog to see if I&#39;d forgotten anything, but no, I never wrote about it. Well, pretty sure I wrote a few twitter threads about it, but it would be easier to write it again than to track those down 2025-12-21T14:53:35Z https://nostr.ae/nevent1qqsd9dugzxunaxrtkscntm0em0dluc3kedx7ys66wyze9fat80zly6qzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx3h7896 In reply to <a href='/nevent1qqsr6rv8m2je57gvrr85nf79ntzzmccsgp329l5naqezw233q47atwchprzwp'>nevent1q…rzwp</a><br/>_________________________<br/><br/>I submit {me, Philipp Zahn} (with several other people joining at various points) as a successful ACT collaboration. My experience broadly matches yours, this collaboration is more than a decade long and required very much meeting each other half way 2025-12-21T13:58:21Z https://nostr.ae/nevent1qqst54h2ehzpwjzn4thg4whrp2xxshwhqca0k3c6s6rplmrssn7la9qzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx0jds6k In Soviet Russia, snoot boops you 2025-12-20T15:50:04Z https://nostr.ae/nevent1qqs09q3vuur5065furmes0ez538dv8pt4v24lmjev6f8tulv6u25csszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxkxfkpy What the LaTeX feature of Mathstodon is supposed to be used for: Writing formulas that appear beautifully typeset (except to people on any other server and anyone using any client except the web client)<br/><br/>What I actually use it for: quick access to the → unicode symbol for talking about my train journeys 2025-12-15T12:24:00Z https://nostr.ae/nevent1qqsvukvsrpvvzqumqvkurffdsv0xa4t5d36k2rdjmlmp3ysu258rjeszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxq20n66 It&#39;s funny how a bunch of my local mastodon discourse today is about how the &#34;u&#34; sound doesn&#39;t exist in American, that&#39;s a thing I&#39;ve joked about for years. Waaaay back in the day my twitter display name was &#34;Categories with Jules&#34; and only after like 2 years I got rid of that because I suddenly discovered that anyone who learned USEn just didn&#39;t get the joke (because they would pronounce this nLab page as &#34;categories with dools&#34;, which amuses me to this day)<br/><a href="https://ncatlab.org/nlab/show/category+with+duals">https://ncatlab.org/nlab/show/category+with+duals</a> 2025-11-18T11:17:57Z https://nostr.ae/nevent1qqsycs4hugzaa0qlm7lzydlav36ttxruq6vnx6wa08vva7vvh0cdv4gzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx73m9xh In reply to <a href='/nevent1qqsz9mzndq0n34a56rx402qevppl2htcwkrgjfnp4xf9xzkvuyqqapq6s6eg8'>nevent1q…6eg8</a><br/>_________________________<br/><br/>This is the orange site, if you don&#39;t expect the worst from it then you haven&#39;t been around it long enough 2025-10-23T21:51:20Z https://nostr.ae/nevent1qqs0rzm9ukdhhc0wml0v2um2463wnknksztefmuv9al0lzyjv7m6dwgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxkmkyz0 In reply to <a href='/nevent1qqs26apu5vccv5k03wvpgss7lt3dfjvwkmpkwnghu36296peg5t05zsx98f37'>nevent1q…8f37</a><br/>_________________________<br/><br/><a href="https://news.ycombinator.com/item?id=45677397">https://news.ycombinator.com/item?id=45677397</a><br/>(but nothing especially worth seeing there) 2025-10-23T20:33:53Z https://nostr.ae/nevent1qqs22d06uhysfdf589c03aluu7yv5lh7ar792q8347n2xgvyqapzffqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxxlurme In reply to <a href='/nevent1qqsy4hqdr7lfga27zedzgh9x6428qlcefn93lgngs6atfges0l22usq5w2l4w'>nevent1q…2l4w</a><br/>_________________________<br/><br/>She does have a daemon, you just can&#39;t see or interact with it 2025-10-22T16:58:36Z https://nostr.ae/nevent1qqsqx5w3hgesjg5675el3yneyqh248lxp6ne63vtrgatpe94smzmv6szyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxlwt8xa Big shoutout to the community of people who could be developing better ballistic missiles or earning a fortune as quants but instead are saving frames in super mario 64 tool assisted speedruns<br/><br/><a href="https://www.youtube.com/watch?v=_yx0eutBwII">https://www.youtube.com/watch?v=_yx0eutBwII</a><br/> <img src="https://media.mathstodon.xyz/media_attachments/files/115/396/904/348/980/713/original/a546437906d8786b.png"> <br/> <img src="https://media.mathstodon.xyz/media_attachments/files/115/396/905/151/410/243/original/2c971f3473c99180.png"> <br/> <img src="https://media.mathstodon.xyz/media_attachments/files/115/396/906/387/838/030/original/258420204396ade0.png"> <br/> <img src="https://media.mathstodon.xyz/media_attachments/files/115/396/907/177/808/101/original/535ba346b61cf345.png"> <br/> 2025-10-18T19:53:07Z https://nostr.ae/nevent1qqs9657nepe6v768pfcznsslu4m8ygydn6jmma4a6askcx9dnyrg9tczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx4n8jvl In reply to <a href='/nevent1qqszvzeuwkkkc8t6ug9jqas03mmx2d6fkvqw5vuazazcjl3euteuj4cw6mvxq'>nevent1q…mvxq</a><br/>_________________________<br/><br/>It could still work if you firmly think of them as open-ended projects with no defined endpoint 2025-10-07T16:22:35Z https://nostr.ae/nevent1qqst54esqgsaw44zx9tj77h2d94pkyfaq9xvdhjct4wlsf2rdxrkulgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx5apgxh In reply to <a href='/nevent1qqsvq9e6zvrxmrywrl9z22t77saep7sqlz0z6x0emgsf83rvuydctkgd7wu3g'>nevent1q…wu3g</a><br/>_________________________<br/><br/>Is it feasible to say all of the above, all interleaved in a random order 2025-10-07T15:08:21Z https://nostr.ae/nevent1qqsxpc4sp9gynvqggfee4l0ew6wvjrhmvhamd8cwfrf2g306ghtmvxqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxd3kzhg For some reason I was 100% convinced Wikipedia was based in Sweden, I&#39;m actually horrified to learn that it&#39;s entirely American<br/><br/>So...... rest-of-world alternatives to Wikipedia? 2025-09-29T22:20:31Z https://nostr.ae/nevent1qqsxe4n6u2c0xg52c4ml42kppzu74ztfmfh0uyynw36qcv2m53r26ugzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxakpxz3 It&#39;s called Prolog because something something mumble profunctors 2025-09-22T16:46:10Z https://nostr.ae/nevent1qqstcnvv27t3hekxcd0cl3rrpj4993ry20v82u9suyxshynwrrcpqugzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxh3203m In reply to <a href='/nevent1qqszgt29fqljjq8k9f3dr4dvqcgw5gn7jmz3y68tckll7r7lxm7vlwqz9mh0y'>nevent1q…mh0y</a><br/>_________________________<br/><br/>It&#39;s like when your cat goes missing but shows up a few days later after a mystery adventure 2025-09-07T12:13:30Z https://nostr.ae/nevent1qqsxf2a3vrju85kl4ta9e85wznh6qq9dyyw4lh6mncp7nk28j8puq9szyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxrnxp3h In reply to <a href='/nevent1qqsg75fgyacu7jy6u864gqjvxmnc40fa3pyzvpm7v25m55up2dd733g07glep'>nevent1q…glep</a><br/>_________________________<br/><br/>So I dug up a file where I was playing around with doubly linked list contexts like 6 months ago and it turns out that I already had a bit of lambek calculus worked out there. I should probably finish this and write up a blog post...<br/> <img src="https://media.mathstodon.xyz/media_attachments/files/115/113/545/855/045/800/original/27f2f0b316219d72.png"> <br/> 2025-08-29T18:49:55Z https://nostr.ae/nevent1qqszcml2wtjsw3jkgpln2hpau2rz0xzqarj3whdn5m0lttlc6wq6f8czyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxplwd5c In reply to <a href='/nevent1qqsw72a8gm39camun4dtzljfvp3hd9q9pzfkj59tpr62l8vc5anvy6qc4tvqw'>nevent1q…tvqw</a><br/>_________________________<br/><br/>In theory I could do lambek calculus in this style, CFGs not sure. In practice I think it would run into an annoying problem that if your monoid operation is noncommutative + left closed + right closed then to write the rules you need your context to be a doubly linked list, which is not a recursive datatype so it&#39;s probably beyond the capability of current generation type checkers<br/><br/>For semantics, the composition product of endofunctors turns out to be closed on one side and *coclosed* on the other side (these are called right and left kan extension and are very scary), I don&#39;t know whether it works out to be a model of lambek calculus, but it&#39;s at least very close 2025-08-28T23:17:25Z https://nostr.ae/nevent1qqsrrd8evpsnw3nhykku8g6azy7lx8zptzf8jjqsy82z4h8er9969yczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxhc2p8f In reply to <a href='/nevent1qqsrwde049084ag09egeqkt6vfuhhhwxd6flah430gpmclad4hk8qyczxvk42'>nevent1q…vk42</a><br/>_________________________<br/><br/>Yeah. Specifically in this case it was functor composition (ie. the monoidal product from &#34;a monad is just a monoid in the category of endofunctors what&#39;s the problem&#34;), which is noncommutative 2025-08-28T21:34:21Z https://nostr.ae/nevent1qqsp04ccv7kpyx4wrnjdcqnlxqc4fcf598jc9r0vz33sgh5xdaxaqgszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxsaslte For a while I&#39;ve been struggling with how &#34;abstract syntax&#34; means so many different things in a modern compiler pipeline, but I finally came up with a good naming scheme:<br/>raw syntax: the character string read in from the file<br/>rare syntax: after lexing and parsing, but no static indexing<br/>medium rare syntax: statically well scoped<br/>well done syntax: statically well typed<br/>overdone syntax: the object code produced by the backend 2025-08-28T16:49:09Z https://nostr.ae/nevent1qqsyw4rpmere7npmkrdnr56r3pk59wemtmy422rzlp2k9x49tzz5taqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx33txux Me and <span itemprop="mentions" itemscope itemtype="https://schema.org/Person"><a itemprop="url" href="/npub1d0dtnmdfvth60mxf4efuarzek5e9jw5yww6kfam248gtgjrz5dwq7x5zz4" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1"><span>npub1d0dtnmdfvth60mxf4efuarzek5e9jw5yww6kfam248gtgjrz5dwq7x5zz4</span> (<span class="italic">npub1d0d…5zz4</span>)</a></span> are mostly done with implementing a noncommutative lambda calculus where types denote endofunctors, terms denote natural transformations, tensor denotes endofunctor composition and arrow denotes right kan extension 2025-08-27T15:39:41Z https://nostr.ae/nevent1qqsqmqnsdky24f8wc5n3l6tgpdese76td8uvw698u4ctgpx6ungc3vszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxnjvl2d In reply to <a href='/nevent1qqsv9kw5tr26ac7wllzdqjp23dm5p32ww3h5jeha8vg5g8gkymg2jlsm3mv7q'>nevent1q…mv7q</a><br/>_________________________<br/><br/>In applied category theory symmetric monoidal categories are *the* unifying concept, virtually all kinds of open systems/networks/processes/etc collect into morphisms of symmetric monoidal categories<br/><br/>I have a low level explanation too. Operads describe patterns of compositionality, but operads are technically very difficult to work with (here I&#39;m technically talking about 2-operads and their pseudo-algebras). In a wild coincidence, lots of useful operads turn out to be representable by structured monoidal categories, which are much more tractable to work with. An important example is hypergraph categories (symmetric monoidal categories in which every object is a special commutative frobenius algebra), which are equivalent to algebras of an operad that describes a very common sort of many-to-many composition 2025-08-13T11:10:45Z https://nostr.ae/nevent1qqswkzr67tr9r2pj8runl3y7kngpt3l6nz72cqcpklxl8ff0kk3dd6czyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxsdgy6c In reply to <a href='/nevent1qqs2rvampmfhn2vuuleveefdcgkw0l9kx9t5x2yfh2zxvaj9x0s3pfcyra2le'>nevent1q…a2le</a><br/>_________________________<br/><br/>You probably have an unreasonable number of category theorists who follow you... I consider the most important definition I know to be that of monoidal categories. Specifically the one due to Kelly, which only needs 2 coherence diagrams 2025-08-12T22:49:28Z https://nostr.ae/nevent1qqszpw340hkrhmxmrlvpv2h2gtmwz43lyh3fhag66c02tvfp3fa8qtgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx67zghf &#34;Hey Socrates, what do you want for dinner?&#34;<br/>&#34;All I know is that I know nothing&#34;<br/>&#34;Goddamn it Socrates&#34; 2025-08-08T19:27:06Z https://nostr.ae/nevent1qqsr805zc8avksmfn6alu9xmztw9dcq59ujc0t3mgqtx4hprnfs7vygzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxhuazx5 My thoughts about this just clicked. I have seen a bunch of cases of professed non-programmers building pretty big things entirely by vibe-coding, and they work fine. This allows people to participate in creation without years of training, and in the end that is not a bad thing<br/><br/>There are a bunch of other systems like this, that allow non-experts to simulate being able to do the real thing. Playing a shooter with aimbot. Playing guitar with 3 chords. Driving automatic.<br/><br/>These are all perfectly good things that allow amateurs to match the performance of experts, and none of them are bad things. But if you don&#39;t take the hit and switch over to the real thing sooner or later, you&#39;ll be a novice forever. 2025-08-06T09:50:10Z https://nostr.ae/nevent1qqs03plp224mhtk0zga3gw04h8zndwaqefx4ayze32upr4v8schh4qqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxkfagxp ibuprofunctor 2025-07-20T15:00:44Z https://nostr.ae/nevent1qqszkfl58qjcz3z7jx4fy4ue36rw2ysztucnklykc87xtnmahjahdtczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxe97hm3 In reply to <a href='/nevent1qqstwe0tqukypkss7mf2zlqpdthmmdqxcdewpdfymf8c7nefjlyxctsd8tz46'>nevent1q…tz46</a><br/>_________________________<br/><br/>Ah yes, UK academia<br/><br/>I think we only have 6. Of which I&#39;ve done 0 in the last few years 2025-06-27T21:04:12Z https://nostr.ae/nevent1qqsx2sn2jh4ujvahs6gycxrglh88763vmnrtmryy83q6yhu9vw4qrtszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxuuhcu0 In reply to <a href='/nevent1qqs96vmzq3nuk3zpta0rj2g0vrha3cf5sea3htwxan3lyuf9xqec0xs0upnr0'>nevent1q…pnr0</a><br/>_________________________<br/><br/>Studying HoTT is all cool and good, but they keep trying to redefine standard terminology in nonstandard ways that don&#39;t make sense in most models 2025-06-27T13:43:04Z https://nostr.ae/nevent1qqs9wqfrns29qpkkcgndja35z69yrvufmdjr3cvqrjsggk8ga8jdj8czyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxpx0npq Back in the day when someone sent you a meno they could see that your inbox is overflowing all over the desk and floor. I think we should bring back that feature 2025-06-25T19:08:59Z https://nostr.ae/nevent1qqsw6gpd2hrw3ndrj0cnxq7vj7pvuqqrge29tjv22wp40cdpvlfyupgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxn7genz In reply to <a href='/nevent1qqs8t2w8zgw2erats3sn42hwd3a2xmm3fwm8kqmt5aupypv200xpm4cv5yrfe'>nevent1q…yrfe</a><br/>_________________________<br/><br/>Here&#39;s the standard answer: the von Neuman-Morgenstern expected utility axioms are equivalent having real-valued utility, and *you* try doing any nontrivial modelling without using any calculus 2025-06-05T10:43:13Z https://nostr.ae/nevent1qqsterf4um7dztxj3vzyhp6fzasn6gpu02uk9tvrgtarkftvkm43mygzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxf7sp9p We should launch another deep space probe carrying a golden record with Never Gonna Give You Up 2025-05-18T17:05:13Z https://nostr.ae/nevent1qqsy0nap5vjkgjd4uxxnt9d2m8yzan20h5y5fqal73kq4ns6j8mc69szyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxyw2scc In reply to <a href='/nevent1qqspsuw8tpaa7plpeq5eeu6p0smhmqs4d60zqeg8ae38efzhaf8v80qwu36m8'>nevent1q…36m8</a><br/>_________________________<br/><br/>Nice! Unlike last year I&#39;m going to make an effort to hang around for this, if I&#39;m allowed to. Naturally I&#39;m very interested in the economic part 2025-04-23T17:29:11Z https://nostr.ae/nevent1qqsg7wvwx8dh37a3f0w5kvv0zu245u4rqlaa44n6rwgmjfhwjct366czyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxt9jca0 In reply to <a href='/nevent1qqsxxx626xycm30syct59v9fqga2djfp4lrlp8g5c97ludecr5knjgq7r9735'>nevent1q…9735</a><br/>_________________________<br/><br/>Glad I&#39;m not the only person who noticed, this was *obviously* written by AI 2025-04-19T13:00:14Z https://nostr.ae/nevent1qqsrlm27k8sa9vmzsttufhztfenum3ym9x93x95s526fphzctvv57zgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxxyhljz In reply to <a href='/nevent1qqsgknrsq445hwme4jt375rpra2dsuxehhsynha2hf2rs2du3kscfdgvxhuvp'>nevent1q…huvp</a><br/>_________________________<br/><br/>Incidentally the theoretically optimal way to play the chicken game is to cut off your steering wheel, for example by passing a law mandating tit-for-tat tariff escalation and now allowing politicians any discretionary choice in the matter. Whether that would actually work in the present situation is a different matter, applied game theory is hard. 2025-04-08T15:27:06Z https://nostr.ae/nevent1qqsgknrsq445hwme4jt375rpra2dsuxehhsynha2hf2rs2du3kscfdgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxml73sf I spent 24 hours thinking people talking about &#34;the chicken game&#34; were talking about modelling tariff brinksmanship<br/> <img src="https://media.mathstodon.xyz/media_attachments/files/114/303/024/553/009/589/original/0a86ce2c1dc168e4.png"> <br/> 2025-04-08T15:22:58Z https://nostr.ae/nevent1qqs2lpkk5cj9wfjr4udfmscu07qv57ttnt9g9rwaz6ygh4h6e9svn6czyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxywsara In reply to <a href='/nevent1qqsztshmh9ydf37k9hm7w3rcmjsswwq345tvtunz73rfnkygds5zxjq6uf0kx'>nevent1q…f0kx</a><br/>_________________________<br/><br/>For those who don&#39;t know, PhD positions in the UK that are not just open to UK citizens (or those with existing residence permits) are rare as hens teeth 2025-04-01T19:37:14Z https://nostr.ae/nevent1qqsyt2cul8g98735dkq5t8p4ka42jadedm9hge0rjqnkxyxa4lwxp0szyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx7hrv9n In reply to <a href='/nevent1qqspmdh8qczg5ch8lr3y4zkmfvys4ev57qmwxqds582wx5ah7wvl05s7th0n8'>nevent1q…h0n8</a><br/>_________________________<br/><br/>My first thought is to wonder what is a &#34;quasi-octagon&#34;, ie. what shape has this thing as its symmetry group? 2025-03-25T18:06:02Z https://nostr.ae/nevent1qqsfnx3vuezuqre0qc33x0nnhmgs2ykdz5l6lg43maq24ahj56guwtczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxkxqmpr In reply to <a href='/nevent1qqstzrraquyvwp2rj36v2n240z05hxq8nhhltgjzdpx6xxawvlhrv7gtd70cp'>nevent1q…70cp</a><br/>_________________________<br/><br/>The article I linked has a lot to say about that. One of the main underlying causes is that the Scottish government pays for Scottish students to study in Scotland, but they amount they pay hasn&#39;t been adjusted for inflation in a very very long time, so universities now make quite a big loss on every single Scottish student 2025-03-16T17:52:05Z https://nostr.ae/nevent1qqsrp5943eykrza4t6f0a834hze4qyfx58kqq63ls2zg09579r0h77gzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxv358h2 <a href="https://www.bbc.co.uk/news/articles/cddynyz9q6po">https://www.bbc.co.uk/news/articles/cddynyz9q6po</a><br/> <img src="https://media.mathstodon.xyz/media_attachments/files/114/173/301/214/753/739/original/7b8dea33deb86b6f.png"> <br/> 2025-03-16T17:32:14Z https://nostr.ae/nevent1qqs9v7eyx3tryu09ls93sd9vfak4cd6t4mc5rswejewfnpdplvut2dgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxfp8gsj Ah yes, a letter of support for the NIH, that&#39;ll learn the bastards for sure 2025-02-21T20:31:31Z https://nostr.ae/nevent1qqspuhdd3h0mxggemv78wdnsnpj05z0l7s4evf9zk6f4eydsqlxprhszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxyyh0m8 Time to write a game theory test<br/><br/>All else fails I can go with this: &#34;Submit a number between 0 and 100. Everybody who jointly chooses the highest number will get a mark of 0, everybody else will get the mark that they chose&#34; 2025-02-18T14:20:26Z https://nostr.ae/nevent1qqsq5n70p5nlaryx0ad7r5s8m692ukelkjezd006gpqeumhw99fsluszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxjazhp0 In reply to <a href='/nevent1qqsf7rhwc7l5ldg90lxcztyq2qh7u5jxwwd034qyp35nfcf6qgdhcsgr3gyz8'>nevent1q…gyz8</a><br/>_________________________<br/><br/>In practice I&#39;m currently more worried right now about running Android on my phone than OSX on my laptop, but yeah. Gonna need to replace both of them at some point 2025-02-15T18:30:52Z https://nostr.ae/nevent1qqs94yt6qxjetljw45rayyh8lrqcwyr7mqengtjalvpny7lwrzfa6vczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxpjnhnq In reply to <a href='/nevent1qqsvpfja7thg44qqgdlvvhv5tretdar0fw8tua3wlcjk4u0qvpj0gfcm3lyak'>nevent1q…lyak</a><br/>_________________________<br/><br/>I&#39;m thinking of moving my stuff github stuff to codeberg for exactly this reason. Now arXiv, I had not thought about that until now..... 2025-02-15T17:35:32Z https://nostr.ae/nevent1qqsx7sckzv25cm3jumnfwy25hdhzfja6xm2axh4whsz6kk7e3ypttvqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxj4r5gf Inside you there are 2 wolves, 1 goat and a cabbage, and you need to cross a river 2025-02-11T09:46:02Z https://nostr.ae/nevent1qqsxmft0qzsk6yq5m0vreghjqxxu0x472tn8kfg267tkdq5qsq29yzgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxum49pf In reply to <a href='/nevent1qqsd7fednhvv0jm2h3sycu6g243786255jkcna6j3zcj5uxyup593ugm4uxdq'>nevent1q…uxdq</a><br/>_________________________<br/><br/>Technically it&#39;s too early to say for sure that the US doesn&#39;t have a king, in order to be not-a-king it is necessary to either lose power without dying, or die but be succeeded by someone who is not your child 2025-02-06T23:00:07Z https://nostr.ae/nevent1qqsrtl4j93u4vuq57glf85ynqg3kp7f6ykpuccdswlrmpwv8qe59uwgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxxhr64l Programming languages train you to not want what they don&#39;t provide, which is why programmers should learn a wide variety of different styles in order to not take any shit from language designers 2025-02-05T15:14:17Z https://nostr.ae/nevent1qqs036lw8m9c6e4pueqx8tu44arp7ldql9x2u8stfng50q3lylysl4czyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxlwnqwq In reply to <a href='/nevent1qqs96uy5k2x6zne8wlye73l0w5ylw6j744jd455npkw24k3aplkxpuq5hu4hr'>nevent1q…u4hr</a><br/>_________________________<br/><br/>So dependent types are types indexed by values, and if you index a type by a value that happens to be the result of a function call applied to a variable, the typechecker almost invariably chokes because it can&#39;t do even trivial equational reasoning. There are multiple different design patterns to work around the problem, but none of them are pleasant 2025-02-05T12:47:33Z https://nostr.ae/nevent1qqsgvp0s6kzhxvqy2uxc9krhvmxz03ysku68pjk973ezqj0j5epgn3gzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxklktp8 The crazy thing about Lean is that from a technically slightly inferior foundation they&#39;re successfully hacking stuff that&#39;s obviously decades away from being feasible to engineer properly. Like, literally nobody knows how to make a typechecker that doesn&#39;t totally shit itself as soon as you put a function call in an index, but they apparently just ignore the problem and charge forwards. It&#39;s genuinely impressive, it reminds me of Youtube videos like &#34;Can you beat Dark Souls using only a wet pool noodle?&#34; 2025-02-05T12:34:12Z https://nostr.ae/nevent1qqst696ryc53cp55ekw09vkx4nm2lx9ps8zvgfq35mh9dvnn8zre4vgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxkpjl9m Speaking of Plato on conservatism, I just remembered Popper pointing out the common root of the words &#34;patriot&#34; and &#34;patriarchy&#34;. They both mean &#34;father&#34;, both in the sense of &#34;fatherland&#34; 2025-01-31T21:57:07Z https://nostr.ae/nevent1qqs2nrrc27fxz8z8898x6sr7u537gxjv78lw493gw7vxyppw5ggnncczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxkdpcmz In reply to <a href='/nevent1qqsyq3n3qec0ms93360aneakxcp60rw8c4czah8vjtmujrexcxtqrsq06dgdf'>nevent1q…dgdf</a><br/>_________________________<br/><br/>possibly I should learn to read 2025-01-25T23:04:39Z https://nostr.ae/nevent1qqsp6c9jppvvvschzp2tfze8z8s43k5xx4ttr4ra59359a2z9vffrjqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxplxs5k In reply to <a href='/nevent1qqsyzhftkvra9rhgydkcuqaq3k6npxu7a6lukx8nt4gc0quh3crl9hqx6nxme'>nevent1q…nxme</a><br/>_________________________<br/><br/>I expect it to be a more complicated version of the tensor product, which in Kmett&#39;s source code looks like this:<br/> <img src="https://media.mathstodon.xyz/media_attachments/files/113/890/589/091/297/397/original/58f1140d834a2bd9.png"> <br/> 2025-01-25T19:14:40Z https://nostr.ae/nevent1qqsyzhftkvra9rhgydkcuqaq3k6npxu7a6lukx8nt4gc0quh3crl9hqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxh794cp In reply to <a href='/nevent1qqsdxkr5357ysg838pngfljr4eyq2cc9dmgu4s47kgzp5eve596vweccnvmhz'>nevent1q…vmhz</a><br/>_________________________<br/><br/>I made what might be a bunch of progress but then got stuck. I expected it to be very hard and it did not disappoint 2025-01-25T19:13:03Z https://nostr.ae/nevent1qqswc4fqepzw27pcqvra6qyxdnc966vq46nva87ulnrte5swa8yckpczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx3wftfw I&#39;m trying to implement the composition product of monomial endofunctors for the van Laarhoven encoding. It is very hard. 2025-01-25T18:36:20Z https://nostr.ae/nevent1qqsxkcqdwwvghnxw2uwk2ps9q3ckxqt808wj3958awyzfrsuc55evdqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxacs52l In reply to <a href='/nevent1qqsd947dqhx7ectxq99p9q9uln3ycz589l72e6tmvc27hqgxfhe5feqya74q8'>nevent1q…74q8</a><br/>_________________________<br/><br/>These are mostly not strategies, these are closer to end goals. This is the kind of uninformative writing I expect from university bureaucrats 2025-01-25T12:31:52Z https://nostr.ae/nevent1qqsfpgy0ppw47yf8vpxu7ykan56pnz2dcfqyz4dz9hchnw6k7y9k70szyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx0sxkyj how come when you launder laundry people are like &#34;good job&#34; and &#34;you are not depressed today&#34; but then when you launder money people are like &#34;you&#39;re under arrest&#34; 2025-01-02T21:19:35Z https://nostr.ae/nevent1qqsqnm3gn82c5zslncse5acsvj6yd6vykfp7zws6mjm477eawlgeufszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxfn8urc In reply to <a href='/nevent1qqsvu5ueym2fqumd3flqkfpmsupv84v4ycyxf2xzmpxa2f4la3h8maqhgamv5'>nevent1q…amv5</a><br/>_________________________<br/><br/>That&#39;ll teach em to decimalise the currency, didn&#39;t have this problem when it was 12d to the shilling 2024-12-20T21:18:55Z https://nostr.ae/nevent1qqsru44yc2ex5eg4azwatvz5dm3zyy8a9wzhuy0x2w94nhz9sy93ykgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxfznfme In reply to <a href='/nevent1qqsdyundqwm8zea0954kscd6snvk829rmdfm7kg05wn2m3ym07utmus68dp96'>nevent1q…dp96</a><br/>_________________________<br/><br/>So what&#39;s the alternative? Is there just nobody working on foundations now? Or are there people being hired instead of string theorists doing some alternative foundational things that I haven&#39;t heard of? (In other words: what are you supposed to do when there&#39;s only one game in town and it&#39;s a losing game?) 2024-12-17T23:18:56Z https://nostr.ae/nevent1qqs9net0pvzk4shr8j3thrsnh0hwnt7fmgthuzcgw90a7pgz8n6e7kszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxsr7cda Prediction: over the next decade or 2 the remaining basic principles of proof assistants will be figured out, and the first minimally viable language will be proudly handed over to the mathematicians, who will then look at the millions of lines of code they&#39;ve already written in Lean and collectively decide to just keep building on that. Only another decade or 2 after that will they learn the meaning of &#34;technical debt&#34; 2024-12-17T17:34:26Z https://nostr.ae/nevent1qqspryw3x86cm9ra9falk4vxapap36zyrvefgrcxaznga8n8qy7k2jqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxcvuswf Today I learned that the word &#34;loot&#34; was nicked from India in colonial times<br/> <img src="https://media.mathstodon.xyz/media_attachments/files/113/657/682/424/391/468/original/4effb2ebcbda390a.jpg"> <br/> 2024-12-15T16:03:47Z https://nostr.ae/nevent1qqsfyc86v3ndvrk08kedpex6smyxdd3wptyxecy8a2acpmj8hd4eydqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxrdg5an In reply to <a href='/nevent1qqsqvsp4wwa6n26rvg0553hczxf039twtjwqdwp8y6t655funyfft4gm3qxgy'>nevent1q…qxgy</a><br/>_________________________<br/><br/>Addendum: The alternative, if Google are not going down without a fight, is that they could start trying to end the LLM hype cycle (which they know they lost) and try to trigger a new one in which they have a head start on their main rivals<br/> <img src="https://media.mathstodon.xyz/media_attachments/files/113/624/943/995/227/342/original/590a013cd9eaad3f.png"> <br/> <img src="https://media.mathstodon.xyz/media_attachments/files/113/624/945/506/976/775/original/2566df6704ada4dc.png"> <br/> 2024-12-09T21:19:22Z https://nostr.ae/nevent1qqsqvsp4wwa6n26rvg0553hczxf039twtjwqdwp8y6t655funyfft4gzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxxdr2sx In reply to <a href='/nevent1qqs8at93se9mhhkk2xzj20e9f2m05yvv9yknpu9wzcar9rawcfd4gncf9046h'>nevent1q…046h</a><br/>_________________________<br/><br/>I definitely don&#39;t expect Google to completely blow up, just to diminish and become a zombie husk of their former selves, like many equally giant tech companies have been doing since IBM. Of all the big tech companies right now, Google are the only one I actually expect this to happen to any time soon<br/><br/>&lt;end of thread&gt; 2024-12-04T21:01:57Z https://nostr.ae/nevent1qqs8at93se9mhhkk2xzj20e9f2m05yvv9yknpu9wzcar9rawcfd4gnczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxz4ewtp In reply to <a href='/nevent1qqsrhpnhkk0v6hetqtr6n39e2w786e7flmnf5qjead0wu9t2nwlv8yg5zfwwt'>nevent1q…fwwt</a><br/>_________________________<br/><br/>I have an additional thing which is even more speculative. The thing that Google&#39;s research division is most iconically known for is deep RL. And personally, I believe we&#39;re not even close to seeing the last of what deep RL can do. My conspiracy theory is that the top level of Google management basically shut down the AlphaStar project because they didn&#39;t want to enter the industries that it would be most useful for, like finance and military tech. I think that history will judge that Google in 2017 were sitting on the 2 most profitable technologies of the decade, and failed to exploit either of them 2024-12-04T20:58:50Z https://nostr.ae/nevent1qqsrhpnhkk0v6hetqtr6n39e2w786e7flmnf5qjead0wu9t2nwlv8ygzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxvm5sff In reply to <a href='/nevent1qqsde7yth3hzwuuczwsgve4nfv43djytwrsmkj6k60zq35ara720jzqppjwum'>nevent1q…jwum</a><br/>_________________________<br/><br/>Add to this that generative transformers were literally invented at Google, and they completely failed to see the potential and they&#39;ve been just another imitator for the entire hype cycle. The big hype battle right now is between GPT and Claude, nobody gives a shit about Gemini, I guess including investors 2024-12-04T20:58:33Z https://nostr.ae/nevent1qqsde7yth3hzwuuczwsgve4nfv43djytwrsmkj6k60zq35ara720jzqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxjh7ekd In reply to <a href='/nevent1qqs27903xsms7nrnk5r366ka8tsnuz9x8er4qf7784jxa204y6zjw5grmru9s'>nevent1q…ru9s</a><br/>_________________________<br/><br/>Compare this to Facebook. The whole metaverse thing is probably one of the biggest wastes of money in the entire history of business, but the whole thing came and went without it ever touching their core products: Facebook, Instagram and Whatsapp. So they write off the loss, pick themselves up and jump onto the next hype cycle (LLMs) much poorer but still fundamentally healthy as a business 2024-12-04T20:58:20Z https://nostr.ae/nevent1qqs27903xsms7nrnk5r366ka8tsnuz9x8er4qf7784jxa204y6zjw5gzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxrk0lqq In reply to <a href='/nevent1qqsyyxp2gynqull3qv356dtv3222s9a2pxyq0w6jztyqlmpjsvt6xhsdjwlf0'>nevent1q…wlf0</a><br/>_________________________<br/><br/>In short: every big corp has to constantly play whatever is the current hype cycle in order to keep the money rolling from investors. It&#39;s irrelevant whether their management actually believe the tech du jour is important or not, this is just the game that they have to play to stay ahead. I think that Google&#39;s fundamental mistake is that they have compromised their core product in service of the LLM hype cycle. Yes, the &#34;product&#34; is really Adwords, but the search service is what actually drives it. Yes, they have other products like Android, Youtube, Gmail and Chrome, but search is the biggest of them all 2024-12-04T20:57:59Z https://nostr.ae/nevent1qqsyyxp2gynqull3qv356dtv3222s9a2pxyq0w6jztyqlmpjsvt6xhszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx4em76z I believe that Google are in the process of the biggest corporate fuckup of recent times (ok ok, not counting Intel who might match them, but I don&#39;t even pretend to understand what&#39;s happening there). No &#34;they&#39;re ruining the internet&#34; here, this is me trying to think in purely corporate terms<br/><br/>&lt;thread&gt; 2024-12-04T20:57:46Z https://nostr.ae/nevent1qqsxglvve325cv3hnntnn78lyaj9sm8qsmy6eta60rpvzej372jsfgszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx2s5q9m In reply to <a href='/nevent1qqszf47uvhz38392plhnajew8ct8dmgkyr6n0ye08yazyn7yrwpp9dgg8apqa'>nevent1q…apqa</a><br/>_________________________<br/><br/>MLEM 2024-11-29T20:28:32Z https://nostr.ae/nevent1qqs84g3amnxn44x3w8gfnm0lgj3djua0yaulq4vzn79qzvcsjapkx5gzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxe333ua In reply to <a href='/nevent1qqsw05u2rq7v5rlrahkkkxkvglzrqxeda246ctam0yyh3ad7mrne9kgmlahft'>nevent1q…ahft</a><br/>_________________________<br/><br/>Yes, exactly... but I expect things not to work so nicely because -* on the category of lenses is not functorial, so it&#39;s a pleasant surprise when it has any nice properties 2024-11-28T18:55:58Z https://nostr.ae/nevent1qqswc76uaez9z0hj0jhpmqx4v0y7mmhs5mgqe34cr5nyrr7gcctwnzqzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxk6czs2 In reply to <a href='/nevent1qqs0plgptmp4gymsxd2gjpar7vp2ype25w42vwwdv5dw5s4e8mxr2wc0wt7q6'>nevent1q…t7q6</a><br/>_________________________<br/><br/>The part that didn&#39;t go how I expected is how function types operate on kinds. For context of this, here&#39;s my blog post on the bizarre kind system of Aptwe: <a href="https://cybercat.institute/2024/09/12/bidirectional-programming-iii/">https://cybercat.institute/2024/09/12/bidirectional-programming-iii/</a><br/><br/>It transpires that 𝑝 ⊸ 𝑞 is covariant when 𝑝 is contravariant and 𝑞 is covariant, and 𝑝 ⊸ 𝑞 is contravariant when 𝑝 is covariant and 𝑞 is contravariant 2024-11-28T18:50:30Z https://nostr.ae/nevent1qqs0plgptmp4gymsxd2gjpar7vp2ype25w42vwwdv5dw5s4e8mxr2wczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxhkmsje I just implemented function types in Aptwe, aka the monoidal closed structure of lenses. Here&#39;s the interpreter cases corresponding to hom introduction and elimination, which correspond to the bidirectional semantics of (linear) lambda abstraction and function application<br/><a href="https://github.com/CyberCat-Institute/Aptwe/blob/main/src/Interpreter/Terms.idr">https://github.com/CyberCat-Institute/Aptwe/blob/main/src/Interpreter/Terms.idr</a><br/> <img src="https://media.mathstodon.xyz/media_attachments/files/113/562/046/542/391/376/original/21da8de43dbbda98.png"> <br/> 2024-11-28T18:43:58Z https://nostr.ae/nevent1qqsrvafs2jvfyg4d6pyp5rgzqgvsj3gnzm2j9pvh0fpzdjv8fvxmlzgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxrkl32a &#34; scare quotes &#34;<br/><br/>《 square quotes 》 2024-11-27T17:58:59Z https://nostr.ae/nevent1qqs9vgx2hjm9th82ry0hk0s25g3n64jtm94xvmxduaaeqm8egdrep2qzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx2fvrvy In reply to <a href='/nevent1qqspyr69skhs073yp9gmgdktp3evpny9ccv9tuxl2dkzu05yk35ehucpv2cxg'>nevent1q…2cxg</a><br/>_________________________<br/><br/>I won&#39;t be going to ACT25, but I also wouldn&#39;t if it was held in a different US state. I also didn&#39;t go to ACT23 partly because I didn&#39;t have the energy and partly because I didn&#39;t want to go to the USA in particular 2024-11-08T14:40:30Z https://nostr.ae/nevent1qqsdk3hmzvwwsrt42lmu788r59crzdxg0wp0wdsym4kpqfrtaw6fg5gzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mx8cm5ql Basic question but I&#39;m not 100% sure: it&#39;s not possible to have a &#34;reasonable&#34; syntax that captures exactly the total computable functions N → N, right? 2024-11-06T12:26:28Z https://nostr.ae/nevent1qqs9yqvmhs3u8jqq9w7g8ue97ug79hr2q07p8awyetw9h8srwf5vgvgzyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxletxj4 Because I don&#39;t have a clear mental timeline of most research that happened before I was in the business, I didn&#39;t realise until now that the machine learning research that got the physics Nobel was published over 40 years ago. It happened much closer to the time Turing was working in AI than to the present. 2024-10-14T15:33:00Z https://nostr.ae/nevent1qqsz7pvupxa7nr8k6pd3hkvzqsnd4lrd7xrtyu5kylc98ulcf9dlk3szyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxjww0j0 In reply to <a href='/nevent1qqsxl4nvlw7yey74x8rhj0h8lvmlsxp2dnjput5tf0t4yxjnavtcnwgj2ad2n'>nevent1q…ad2n</a><br/>_________________________<br/><br/>I saw the original in passing, I did not see the argument but I&#39;m not surprised it happened<br/><br/>My own take went in my own feed instead of your replies: <a href="https://mathstodon.xyz/@julesh/113276332265442477">https://mathstodon.xyz/@julesh/113276332265442477</a> 2024-10-13T14:29:03Z https://nostr.ae/nevent1qqst2h9n6fdakmut339tvlw4zcv9zsc4gukwdxzxfstkhl9a4zpzvmszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxpntfu7 Normally I&#39;m very on top of my mastodon feed, but last week I was too busy. I just scrolled back through almost 3 days worth before the feed crashed and stopped loading more, so anything from the couple of days before that goes into the void 2024-10-13T12:54:31Z https://nostr.ae/nevent1qqsduax287ts3mhd8vvdc3pku77ukeewasrj2pz4raxwk244jty0phszyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxvf4sua In reply to <a href='/nevent1qqsrwkr0c3c3p69fn77vsn674e4jpeldmgz5pvttxyfsntq8y3qprdsqqxc9f'>nevent1q…xc9f</a><br/>_________________________<br/><br/>Perhaps... I&#39;d point to the theory of 4 humours which was universally accepted in the West as the most important idea in medicine for like 2000 years, and now is of basically zero interest except for understanding why people behaved the way they did in the past 2024-10-03T16:25:45Z https://nostr.ae/nevent1qqswlzja2ct7fjvzakrypkyyuht0pv06m5x95z8ah0a0d4t8gz6qq3szyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxmta730 In reply to <a href='/nevent1qqsr0xk0ea5guzt0gwsnntfddqgy8pk53awy5xa87qa7m6rs34pqysswnt4j9'>nevent1q…t4j9</a><br/>_________________________<br/><br/>I&#39;m 50/50 whether this kind of thing is old superstition that&#39;s only of historical interest, or if one day in the future building on machinery like information geometry there&#39;ll be a serious theory that amounts to &#34;something flows out after death&#34; 2024-10-03T15:54:11Z https://nostr.ae/nevent1qqsdlwc504dj2e5k8gq83wkjmj60c43upnefkwusakk35vvtu4lzvrczyp6u050kjwy7f3mzw6ac2xh20a2zvhg5t3arjeu9388avt8zdt5mxte7vf9 In reply to <a href='/nevent1qqs95tp3l6l006senmdc9gl9s709dc45vzca65jy9fjjfmnjhk29ypqj3zqrl'>nevent1q…zqrl</a><br/>_________________________<br/><br/>It&#39;s like the old joke: I had a problem, so I tried using Haskell. Now I have a monoid in the category of problems. 2024-09-30T18:04:29Z