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Mathemusician human, new to mastodon, used to be cool on the internet but now people are surprised I'm still alive, she/they

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category theorist, working mathematician

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Math teacher & parent by day, creative coder by night.

https://Patreon.com/noneuclideandreamer

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Holder of the Chaire Combinatoire at the Collège de France. Fellow of Trinity College Cambridge.

","updated":"2026-04-19 09:01:42.875Z","user":"","username":"Timothy Gowers"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-09 22:21:14.214Z","domain":"mathstodon.xyz","followerCount":161,"followers":"https://mathstodon.xyz/users/HappyApproxDay/followers","following":"https://mathstodon.xyz/users/HappyApproxDay/following","followingCount":1,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/304/546/790/313/074/original/908734451c932d71.jpg","id":"gthh8h4wuuknlp9","inbox":"https://mathstodon.xyz/users/HappyApproxDay/inbox","iri":"https://mathstodon.xyz/users/HappyApproxDay","isLocal":false,"last_fetched":"2026-04-19 09:17:07.509Z","outbox":"https://mathstodon.xyz/users/HappyApproxDay/outbox","preferred_username":"HappyApproxDay","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAphrvy5C3PITHnqyOGmcN\nG0P0u3dnO+qropcAUTPmYlvgquD1rzjQ5Oo+I9rBTx25BwYSzjIaSDMyLTeIYkAx\niepfnBdXrpgSyIfXXThBgG98IWA0Fdrh2OkFtwIK6xQzlQsIuOzINDHy7F/x5M3v\no2cvdIBhS7UcgVkoHxot/ma07Q9YL9At74fHByWPzPK+HPuZuWf/QikGx0vABh+D\nOjcMTBOSlrohIwaGju0z1z2/vwnf1jkuphKJroan7S9EAXhQyJPtL7U9Wrc9Dod5\nR0K/kaiSTblbJHyVbS7uIo3rAn8TIOzxCwsZekd1bUfhgsMyBi0Nn1tG4FP5YITm\ncwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-07 00:00:00.000Z","summary":"

I tweet about approximation days. I was created by @mscroggs

","updated":"2026-04-19 09:17:07.510Z","user":"","username":"Approximation Day Bot"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-24 05:41:18.562Z","domain":"mathstodon.xyz","followerCount":237,"followers":"https://mathstodon.xyz/users/AlexisToumi/followers","following":"https://mathstodon.xyz/users/AlexisToumi/following","followingCount":66,"icon":"https://media.mathstodon.xyz/accounts/avatars/108/205/324/435/248/312/original/8f01dc03b4cdff02.png","id":"25s3etaig1m6t2x","inbox":"https://mathstodon.xyz/users/AlexisToumi/inbox","iri":"https://mathstodon.xyz/users/AlexisToumi","isLocal":false,"last_fetched":"2026-04-19 09:11:23.160Z","outbox":"https://mathstodon.xyz/users/AlexisToumi/outbox","preferred_username":"AlexisToumi","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqfHsbKkDHbAPl27b0Ifn\nUc8LGAzgxeK2ipARJH7s13iGCPrD+Si6P3mbk4mAKnDeeDjlwYI/m9KYHsBWwbAc\nvbi91+PqqgOgapqemBR4hsaBWYtY6X7qHqSQOt33DUOG/xBEUj5gh3EE9vuYfsGf\n454ZA6oU91hyUeLa1ARTD8HEhC9P1qQm/1cERbGQp2MA/0A65gJcj3QuZpl/kSI9\n/AwmLtMT5nb5u0MulcuqRQbFNVYmsKTp1M17HDCiaDjEzP+5ZHvJmLXLhuVQWwd1\nFaM2TvwDL5jy6uOPmcMrJ6L/yOkCx/xryEqvedyoNmvj9iuqcHHDWJhOPUUnzE4L\nbwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-04-27 00:00:00.000Z","summary":"

If all you have is a functor, everything looks like a diagram.
quantum computing // artificial intelligence // monoidal categories

","updated":"2026-04-19 09:11:23.160Z","user":"","username":"Alexis Toumi"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-03-11 15:48:58.373Z","domain":"mastodon.social","followerCount":499,"followers":"https://mastodon.social/users/CarlMuckenhoupt/followers","following":"https://mastodon.social/users/CarlMuckenhoupt/following","followingCount":285,"icon":"https://files.mastodon.social/accounts/avatars/000/023/301/original/1931ff2e3483410c.png","id":"sex7xf414rycnrb","inbox":"https://mastodon.social/users/CarlMuckenhoupt/inbox","iri":"https://mastodon.social/users/CarlMuckenhoupt","isLocal":false,"last_fetched":"2026-04-19 10:23:49.000Z","outbox":"https://mastodon.social/users/CarlMuckenhoupt/outbox","preferred_username":"CarlMuckenhoupt","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+nEvj8Huwq+yJ2Y9HpLJ\n7dgkS+5VhJRrmufFqIIYw60w66K94SmOD7Rww+uQy66cKQIRkzRbAOeGR626xzyq\nB0ol4gYk1aIJTvTCCPKuRAEEZ/2t9hp/B3cUYJIjoSBbmKJB7kjRlzFdF9B7GVoL\nxv03fc0QFv4//3logPoTXMKiFB8Sh/Fo1yL2a+hpc1GL4BFDVQStKRme9NAFWnWi\nYSNpwjmiHFBpsX+PgnZ9LFe+rM6vF3ShyhfUFFftWw7mmqU1MPdd2ViXp3fqQZfJ\nwiWes+qadN9YlA3k4DLC5maMi+AFm4aG2VqK9aOro6NjBWFvD1sKyspHNzpxSICd\nJQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2017-02-04 00:00:00.000Z","summary":"

Rhombic dodecahedron disguised as a man

","updated":"2026-04-19 10:23:49.001Z","user":"","username":"Carl Muckenhoupt"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-03 15:59:10.930Z","domain":"mathstodon.xyz","followerCount":1530,"followers":"https://mathstodon.xyz/users/Jose_A_Alonso/followers","following":"https://mathstodon.xyz/users/Jose_A_Alonso/following","followingCount":1044,"icon":"https://media.mathstodon.xyz/accounts/avatars/000/130/356/original/29218903abe161c6.jpg","id":"yrtyk3n8xgokfro","inbox":"https://mathstodon.xyz/users/Jose_A_Alonso/inbox","iri":"https://mathstodon.xyz/users/Jose_A_Alonso","isLocal":false,"last_fetched":"2026-04-19 10:23:49.389Z","outbox":"https://mathstodon.xyz/users/Jose_A_Alonso/outbox","preferred_username":"Jose_A_Alonso","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxeEFJL7MWF7Mf7IQrtSd\n77JRXb1bJxxNx4En7O/GpvlCzPUowQAV9NzmMlSoBE6uB20MyBqihiRaPUv/Jt0Z\ncsxQCczh0WiGI9de+Dh/Kh/yqtJNr6T9TgMnYTJLR0EdE+XwfXfh2f9eIfdTw9P7\nLlgYHMRjgt5Z1Jc2aKIrWnKJd+qqN72AT1SHDKOmmO5AtghBGfSDzu3CchXHomPh\nMwlg7PV9SPWhFjas2XM2G3TMfmm0yZHua7BFBkmTrVFbKXq2TQyoMvusSrNvNWSf\n6Vs/HzkL0reHKuq35aOFXgz2wI+zSDFWim1hra+ITcAo/cZVpGmJXg1uiWvi84UQ\nWQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2020-01-03 00:00:00.000Z","summary":"

Mathematician interested in the study and teaching of computational logic, functional programming (Haskell) and interactive theorem proving (Lean, Isabelle/HOL).

","updated":"2026-04-19 10:23:49.389Z","user":"","username":"José A. Alonso"}],"page":1,"perPage":10,"totalItems":0,"totalPages":0}

canonicalisomorphism

Following