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Zentrum für astronomische Bildungs- und Öffentlichkeitsarbeit in Heidelberg - Center for Astronomy Education and Outreach in Heidelberg, Germany. Toots auf Deutsch and in English

Früher - previously: @hausderastronomie

Impressum - Imprint: https://www.haus-der-astronomie.de/de/impressum

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Mathematician. Working at the Institute for Mathematics, Heidelberg University.

","updated":"2025-08-07 15:54:26.018Z","user":"","username":"matematiflo"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-08-07 15:54:26.190Z","domain":"mastodon.social","followerCount":0,"followers":"https://mastodon.social/users/JPQ/followers","following":"https://mastodon.social/users/JPQ/following","followingCount":0,"icon":"https://files.mastodon.social/accounts/avatars/109/246/233/220/332/252/original/cd52cd1b9f3e52a1.jpg","id":"h9kj6co1e350eqp","inbox":"https://mastodon.social/users/JPQ/inbox","iri":"https://mastodon.social/users/JPQ","isLocal":false,"last_fetched":"2025-08-07 15:54:26.190Z","outbox":"https://mastodon.social/users/JPQ/outbox","preferred_username":"JPQ","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvW2hmSFjflqVeRbVNVtd\ncnSUfHx8Dt+13Z3Q/Gf6j8CEvyJQ6/6AwML79zluBnzZQ4ZaXsvBgEXgXn1mBN8F\nXAabmkjbRIWQBa/bU5mNqH+mSJ/VTqFiiwTp5Tjlw1voKroi5EN3YKzsOvhqHbKi\n/uXW3fXH2i5bD86HW9L57rmDGoQf1DSco0Zs8yuIV/coapX5VXBQATAx6n4Ks+93\nnidkItQJNebSknQkZ70KwycOrlafWYsyaV3bfjHqxxLy6h8rRuiChgUKdgfrCntV\nZqxxkh/oq/L04Rj4T6rr1sAZM6n+tbdCLx7pWG03Bo6CXx/qeu1bdnOKK1ic/VdP\nJQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-10-28 00:00:00.000Z","summary":"

Some mathematician.

","updated":"2025-08-07 15:54:26.190Z","user":"","username":"JP.Q"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-19 22:23:53.015Z","domain":"mathstodon.xyz","followerCount":232,"followers":"https://mathstodon.xyz/users/msmathcomputer/followers","following":"https://mathstodon.xyz/users/msmathcomputer/following","followingCount":75,"icon":"https://media.mathstodon.xyz/accounts/avatars/000/196/884/original/93fb05d800bdd112.jpg","id":"8a47l0819f669il","inbox":"https://mathstodon.xyz/users/msmathcomputer/inbox","iri":"https://mathstodon.xyz/users/msmathcomputer","isLocal":false,"last_fetched":"2025-08-07 15:54:26.229Z","outbox":"https://mathstodon.xyz/users/msmathcomputer/outbox","preferred_username":"msmathcomputer","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyW3MX+WGZQKoErckjaNL\nwo2CPfiVso6Ppx4NjUhAN6tQlO5pdRm4G4LiKZUJgNhKszMyANby6XsbO0Xh+8rK\nXsbmSierpXB2PGL5HHRyCwUE9QXLsci+XvhYVUa+HJsfHAwHUOXemRFScP+Ilgu8\nOrsMnF1W2JFfq4+Isl6828Fq4djHe7qAql4e8nKMAbRTrcviNp87DH8Qg6dTQaDu\noVVkZuVUR7tJMk+/QYNSb/e0XlN/+07zweVwZOeqiwMNEtqvLhfiCoEhWxu1UlgH\nO0Uj8wAB8QaW4HVTNqu6UAOB3uenUOjqVVI0kz9lBlgkp6zg1n79xXXXuYwQ3m09\nnQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2020-08-26 00:00:00.000Z","summary":"

Assistant professor (tenure track) at the Computer Graphics and Visualization Group of TU Delft, working in the field of mathematical geometry processing, #dataviz, and #mathart. (he/him)

","updated":"2025-08-07 15:54:26.230Z","user":"","username":"Martin Skrodzki"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-22 01:46:17.216Z","domain":"mathstodon.xyz","followerCount":128,"followers":"https://mathstodon.xyz/users/saulsch/followers","following":"https://mathstodon.xyz/users/saulsch/following","followingCount":56,"icon":"https://media.mathstodon.xyz/accounts/avatars/108/204/604/651/696/135/original/e480e5f96cbac4a3.png","id":"8yvptwpu4zgd210","inbox":"https://mathstodon.xyz/users/saulsch/inbox","iri":"https://mathstodon.xyz/users/saulsch","isLocal":false,"last_fetched":"2025-08-07 15:54:26.265Z","outbox":"https://mathstodon.xyz/users/saulsch/outbox","preferred_username":"saulsch","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoedcX6Dn6eKXTAJjAQtx\n3PtEzQKzHGMd4Rco1ZozNWTw9GhNMsuvyCAXO4+TPcprcBgOWvRhwy/EJBTdDMrZ\nXRRIqipCO8ZC/eeIcaKjLMe9P/QEz8uC9SS3Z8K/rOWPZPOYiRlMy68pdvhZimDo\nFLqIGoPrCuiPQ0YVNigb1dPtrO9tO9GMkAHMxldfdupgc+CcwuNppgy3NDJgQJuF\n/S3B2Pid6wcyPZ/ws8b/0KKoKu8XjtgoxJubPP6Q9hc5uquOlSPSdy0wqWtO0z46\nT+jpc2F7U4pvQ5AyKsg5nHThgZ3YlmMuqRcGEpYhUfRFAu283sEjjRQ4cSkiG6aw\nrwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-04-27 00:00:00.000Z","summary":"

A mathematician. Interested in low-dimensional topology, geometric group theory, and computational aspects of those areas.

","updated":"2025-08-07 15:54:26.265Z","user":"","username":"Saul Schleimer"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-26 00:20:46.566Z","domain":"mathstodon.xyz","followerCount":0,"followers":"https://mathstodon.xyz/users/chalkdustmag/followers","following":"https://mathstodon.xyz/users/chalkdustmag/following","followingCount":0,"icon":"https://media.mathstodon.xyz/accounts/avatars/000/054/042/original/71cbbe5fcb790425.png","id":"8mb5wflv442813g","inbox":"https://mathstodon.xyz/users/chalkdustmag/inbox","iri":"https://mathstodon.xyz/users/chalkdustmag","isLocal":false,"last_fetched":"2025-08-07 15:54:26.299Z","outbox":"https://mathstodon.xyz/users/chalkdustmag/outbox","preferred_username":"chalkdustmag","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4vJt220E5Oe6MNptWmhM\nsoD3sg/Us7YiWutG/ZQxOr4Dev0uiKG6aBuborFelbi8kglj4PVY5rNBYVKwLNYS\ntTQ63h/JXhVKw6P4gL9Orq1BqPjclfaHSGaMcqD0+HcbXzYOnwg+/hrGBzo/Il0k\njAt4d8tmEByEoYMGr+ahdhUXD9RxxXrrSKc/zoFanUotUghmXPL64Zgvk623qJ4B\n16QMUZIBmH7uR1OG+IKy3doZIrClwz04lzXhy4XPNjIL1sPY5bP8I5/R6/K2XLcG\nY1eKYNwLMOyWhUw+DtLyIu4UzOJ1H5WRY/KC4mE4JYrcSk8YgSre3LRAGNZKVyiQ\nkwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2018-09-24 00:00:00.000Z","summary":"

A magazine for the mathematically curious

","updated":"2025-08-07 15:54:26.299Z","user":"","username":"chalkdust"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-29 04:30:44.534Z","domain":"mathstodon.xyz","followerCount":1784,"followers":"https://mathstodon.xyz/users/panlepan/followers","following":"https://mathstodon.xyz/users/panlepan/following","followingCount":140,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/258/836/017/859/188/original/e1984f5b75746241.gif","id":"4zdkzv3qob272g4","inbox":"https://mathstodon.xyz/users/panlepan/inbox","iri":"https://mathstodon.xyz/users/panlepan","isLocal":false,"last_fetched":"2025-08-07 15:54:26.333Z","outbox":"https://mathstodon.xyz/users/panlepan/outbox","preferred_username":"panlepan","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvZ/wdT9/UgMRudJlF8SP\nBqDiB7qWKKutzrw+9TkeOFTCe9yPmcYPIfRygGblqawA9qQEj8KEGR4gUb+q3xnJ\ndGmWQFTsQKv/7Bw2fHDJjuYf5L1E2BQa1HyLtx9yHfJBZeYZzpRfBq3/oufEDiz+\nErDS42HvoJoP+1eUpwMcR2LIk4vjnK5uygFB2wCRO2adxnnyJW/bBNsJ8EaVp8MV\nsTtMnwimP2zA4C6Vx3m0l/uRGQdjzxHTWya/VUaOSlF0S62Srk2kW83wPVesNHbw\nTPm+Ljj9DvHNGT9jP4kpKDJAgr3BWC/AgYnp12lwEPlIY+QG75YAaQYR9SGxDRsz\nAwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-10-30 00:00:00.000Z","summary":"

Math.s visualisations, Geometry, #MathGIF, #MathArt, Tilings, #GeoGebra ambassador, co-author of #GeometrySnacks, #mathpuzzle Juggler 🤹

","updated":"2025-08-07 15:54:26.334Z","user":"","username":"Vincent Pantaloni"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-20 05:24:55.244Z","domain":"mathstodon.xyz","followerCount":3426,"followers":"https://mathstodon.xyz/users/matthen2/followers","following":"https://mathstodon.xyz/users/matthen2/following","followingCount":334,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/364/105/885/625/481/original/c359b99a8f220e55.jpeg","id":"v76pf15d5yu8yo3","inbox":"https://mathstodon.xyz/users/matthen2/inbox","iri":"https://mathstodon.xyz/users/matthen2","isLocal":false,"last_fetched":"2025-08-07 15:54:26.377Z","outbox":"https://mathstodon.xyz/users/matthen2/outbox","preferred_username":"matthen2","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAru+1qRqbNF1sdqy4MvYN\nIOz5guWuO7odFdrU+L3aGJxeAqfKCbOWGdW3f7QbyVFhZa+sr7VlvrrF4MCs42Sm\n/XYwQBAKQuoTwazwhwm2+YkEpJJoYXOh5BePy14I40JBm/g07aOYPP7+mEzG+D4B\n+WhtagL4RpgRaX4XcEPSUZ2WoDnHa/sr5OcXXSAy9lJZfsGzgs2opZspnDLKTd2W\nZETjN1+It0XwiiBkU3U77VPFBh2Pm05yI0YCjHv97ONzqWpWorBZ5hzIViq3yDuT\nHPGCnPj1yDyiO9LbLJILb5K9swR8iiBmwSdodllCagwKhjbczvTXtaGBuWUSWn5Y\n6QIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-18 00:00:00.000Z","summary":"

maths visualisations and conversational AI

","updated":"2025-08-07 15:54:26.377Z","user":"","username":"Matt Henderson"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-08-07 15:54:26.487Z","domain":"mastodon.social","followerCount":0,"followers":"https://mastodon.social/users/mpoessel/followers","following":"https://mastodon.social/users/mpoessel/following","followingCount":0,"icon":"https://files.mastodon.social/accounts/avatars/001/135/306/original/eaf7292c4203e672.jpg","id":"wzaub47jz8228x0","inbox":"https://mastodon.social/users/mpoessel/inbox","iri":"https://mastodon.social/users/mpoessel","isLocal":false,"last_fetched":"2025-08-07 15:54:26.486Z","outbox":"https://mastodon.social/users/mpoessel/outbox","preferred_username":"mpoessel","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzWdll3B6+dLMhOKHlUtg\nqN8LnIl5qxmlPieSMDkaU1yLYQ0Mk1GCRVZYrVkbzQ8AUYWUm9KwqCbSwOp+TS1u\ngYdbXKRXVgX8Ng/mZ0JbrzIqcwJFhqNqkNwd11gzkFAswGnZnavgId9IVZSQ7zSX\nS9CPFzI+zm86czenvkQhxE8rPvzwTC5Jt1um8AYBidwyTBb4YdUtldgA5efAubWD\nR4m6N3YA4rbH7az7EXdODZOztgOMcbqn/CTbv7WJ84CHGSLBCPJ+VyRvhwhdas6y\nUfulyDv6fsMdVGhGy3Ws/msRcZqqYCGVtGBswxKQ4qFfdh6khhq4lR7UfgQnfLta\nPQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2020-03-03 00:00:00.000Z","summary":"

Mostly astronomy outreach in Heidelberg (German & English) - managing scientist HdA http://www.haus-der-astronomie.de - director IAU OAE http://astro4edu.org - "privat hier" - @mpoessel@twitter - er/he/him - Blog: https://scilogs.spektrum.de/relativ-einfach/

","updated":"2025-08-07 15:54:26.487Z","user":"","username":"Markus Pössel"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-20 06:34:52.514Z","domain":"mathstodon.xyz","followerCount":13035,"followers":"https://mathstodon.xyz/users/johncarlosbaez/followers","following":"https://mathstodon.xyz/users/johncarlosbaez/following","followingCount":492,"icon":"https://media.mathstodon.xyz/accounts/avatars/108/205/715/237/591/098/original/23b93c7b653be37c.jpg","id":"44l5537p792tzj1","inbox":"https://mathstodon.xyz/users/johncarlosbaez/inbox","iri":"https://mathstodon.xyz/users/johncarlosbaez","isLocal":false,"last_fetched":"2025-08-07 14:22:02.200Z","outbox":"https://mathstodon.xyz/users/johncarlosbaez/outbox","preferred_username":"johncarlosbaez","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvgJHppW3vD2wZm2hxOGs\nkA45SH/pWuvDLEXDBr3NKdKZywgO/IWBDY7vDiFZqrA7nrVv3GvYIOemv44CEl1Z\nJZ4tszs3PYRdfBHHZENkoWneCgfS1Ha1LIxBd9hQNqfD4Z7883QT2UrwXGQD3Vgr\nL+C9XsVPoD5bxDeEgiu8kHqbWdZfin2+J+tfrsoHjx+Y9q32ngXyCUaqssrnfJkw\n+KEwQGkNJob2p1RHYQcQaDdOWjKLfxHlQQJ/FuvV8wxBYYPkW9innQUxGSvgg8R8\nb38SdKXpyH8IYM/mfQnSJU8fRfvxuji+hock4CXdP44iCpyHjGDON1WdYuNXSRwQ\n4wIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-04-27 00:00:00.000Z","summary":"

I'm a mathematical physicist who likes explaining stuff. Sometimes I work at the Topos Institute. Check out my blog! I'm also a member of the n-Category Café, a group blog on math with an emphasis on category theory. I also have a YouTube channel, full of talks about math, physics and the future.

","updated":"2025-08-07 14:22:02.201Z","user":"","username":"John Carlos Baez"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-19 13:38:07.759Z","domain":"mathstodon.xyz","followerCount":1119,"followers":"https://mathstodon.xyz/users/noneuclideandreamer/followers","following":"https://mathstodon.xyz/users/noneuclideandreamer/following","followingCount":345,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/603/333/003/783/272/original/86f17168ae424eff.jpg","id":"f97lok9s1e54c0k","inbox":"https://mathstodon.xyz/users/noneuclideandreamer/inbox","iri":"https://mathstodon.xyz/users/noneuclideandreamer","isLocal":false,"last_fetched":"2025-08-07 15:54:26.533Z","outbox":"https://mathstodon.xyz/users/noneuclideandreamer/outbox","preferred_username":"noneuclideandreamer","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwy8o6ICKWaHgK7Qacdal\nHLUds6wpPqvsIEgKvpS4YgTvOnzV25FIbg4Q5bPsyOScFSyLhMylYuhfd5zKs35u\na4LStJPZBpBV69X2JnXi7lja/+IZ2ejOrrO39mOdAY76geU7oHTENlllpqpa+DT+\nIEHn62N2vagSWK5aW/Cgqy23mZM/H5BkeAr3iHOttn+FQiYhAWQOZ2wshZA8TkuT\nHVuFAMxGv+0OA0/Ma02Lc13qDPGG4ARghy0oHNvsCHvtNTmICPEAv4DKUiv3sm3d\nJUMa37zJpoq3kx2NtRQSOIe4PR5ykXcq7HyHC3QJCTMzusp7lq2FLIfeJ4c6nqEM\nwQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-12-30 00:00:00.000Z","summary":"

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

https://Patreon.com/noneuclideandreamer

","updated":"2025-08-07 15:54:26.533Z","user":"","username":"Non-Euclidean Dreamer"}],"page":1,"perPage":10,"totalItems":45,"totalPages":5}

Geometry + Dynamics Heidelberg

Following