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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.

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Some mathematician.

","updated":"2025-11-08 00:51:03.519Z","user":"","username":"JP.Q"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-11-02 22:25:45.136Z","domain":"mathstodon.xyz","followerCount":0,"followers":"https://mathstodon.xyz/users/msmathcomputer/followers","following":"https://mathstodon.xyz/users/msmathcomputer/following","followingCount":0,"icon":"https://media.mathstodon.xyz/accounts/avatars/000/196/884/original/93fb05d800bdd112.jpg","id":"ghh8dr7v71os166","inbox":"https://mathstodon.xyz/users/msmathcomputer/inbox","iri":"https://mathstodon.xyz/users/msmathcomputer","isLocal":false,"last_fetched":"2025-11-08 00:51:03.547Z","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":"2025-11-08 00:51:03.547Z","user":"","username":"Martin Skrodzki"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-10-29 00:04:10.644Z","domain":"mathstodon.xyz","followerCount":0,"followers":"https://mathstodon.xyz/users/saulsch/followers","following":"https://mathstodon.xyz/users/saulsch/following","followingCount":0,"icon":"https://media.mathstodon.xyz/accounts/avatars/108/204/604/651/696/135/original/e480e5f96cbac4a3.png","id":"fv81cztgqw5894a","inbox":"https://mathstodon.xyz/users/saulsch/inbox","iri":"https://mathstodon.xyz/users/saulsch","isLocal":false,"last_fetched":"2025-11-08 00:51:03.581Z","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":"2025-11-08 00:51:03.581Z","user":"","username":"Saul Schleimer"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-10-28 04:43:43.253Z","domain":"mathstodon.xyz","followerCount":350,"followers":"https://mathstodon.xyz/users/chalkdustmag/followers","following":"https://mathstodon.xyz/users/chalkdustmag/following","followingCount":6,"icon":"https://media.mathstodon.xyz/accounts/avatars/000/054/042/original/71cbbe5fcb790425.png","id":"scw1cgtjf9x8j4o","inbox":"https://mathstodon.xyz/users/chalkdustmag/inbox","iri":"https://mathstodon.xyz/users/chalkdustmag","isLocal":false,"last_fetched":"2025-11-08 00:51:03.613Z","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":"2025-11-08 00:51:03.614Z","user":"","username":"chalkdust"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-09-20 01:44:14.170Z","domain":"mathstodon.xyz","followerCount":1802,"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":"r3c5cum4gevek86","inbox":"https://mathstodon.xyz/users/panlepan/inbox","iri":"https://mathstodon.xyz/users/panlepan","isLocal":false,"last_fetched":"2025-11-08 00:51:03.647Z","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":"2025-11-08 00:51:03.648Z","user":"","username":"Vincent Pantaloni"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-10-25 04:28:13.462Z","domain":"mathstodon.xyz","followerCount":0,"followers":"https://mathstodon.xyz/users/matthen2/followers","following":"https://mathstodon.xyz/users/matthen2/following","followingCount":0,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/364/105/885/625/481/original/c359b99a8f220e55.jpeg","id":"4rqw5eobssvjjtm","inbox":"https://mathstodon.xyz/users/matthen2/inbox","iri":"https://mathstodon.xyz/users/matthen2","isLocal":false,"last_fetched":"2025-11-08 00:51:03.680Z","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":"2025-11-08 00:51:03.680Z","user":"","username":"Matt Henderson"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-11-03 13:54:13.618Z","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":"gj4guublon9n925","inbox":"https://mastodon.social/users/mpoessel/inbox","iri":"https://mastodon.social/users/mpoessel","isLocal":false,"last_fetched":"2025-11-08 00:51:03.813Z","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":"2025-11-08 00:51:03.813Z","user":"","username":"Markus Pössel"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-09-18 09:54:05.746Z","domain":"mathstodon.xyz","followerCount":0,"followers":"https://mathstodon.xyz/users/johncarlosbaez/followers","following":"https://mathstodon.xyz/users/johncarlosbaez/following","followingCount":0,"icon":"https://media.mathstodon.xyz/accounts/avatars/108/205/715/237/591/098/original/23b93c7b653be37c.jpg","id":"r481y2uk2khl9i2","inbox":"https://mathstodon.xyz/users/johncarlosbaez/inbox","iri":"https://mathstodon.xyz/users/johncarlosbaez","isLocal":false,"last_fetched":"2025-11-08 00:51:03.848Z","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. I'm the Maxwell Fellow of Public Engagement at the School of Mathematics and the School of Physics and Astronomy at the University of Edinburgh.

Check out my blog Azimuth! 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":"2025-11-08 00:51:03.848Z","user":"","username":"John Carlos Baez"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-10-10 10:07:12.700Z","domain":"mathstodon.xyz","followerCount":1196,"followers":"https://mathstodon.xyz/users/noneuclideandreamer/followers","following":"https://mathstodon.xyz/users/noneuclideandreamer/following","followingCount":352,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/603/333/003/783/272/original/86f17168ae424eff.jpg","id":"dflyrjunn70mrl8","inbox":"https://mathstodon.xyz/users/noneuclideandreamer/inbox","iri":"https://mathstodon.xyz/users/noneuclideandreamer","isLocal":false,"last_fetched":"2025-11-08 00:51:03.881Z","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":"2025-11-08 00:51:03.881Z","user":"","username":"Non-Euclidean Dreamer"}],"page":1,"perPage":10,"totalItems":45,"totalPages":5}

Geometry + Dynamics Heidelberg

Following