{"items":[{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-17 22:16:30.504Z","domain":"social.tchncs.de","followerCount":17165,"followers":"https://social.tchncs.de/users/BahnAnsagen/followers","following":"https://social.tchncs.de/users/BahnAnsagen/following","followingCount":13,"icon":"https://f2.tchncs.de/accounts/avatars/000/023/307/original/4e8b2e0699076621.jpg","id":"12a1s13rf2z8bzf","inbox":"https://social.tchncs.de/users/BahnAnsagen/inbox","iri":"https://social.tchncs.de/users/BahnAnsagen","isLocal":false,"last_fetched":"2025-10-14 05:19:12.216Z","outbox":"https://social.tchncs.de/users/BahnAnsagen/outbox","preferred_username":"BahnAnsagen","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtwa+4+c2Pume57HOP9iY\nvFgEvcyuJb3gqx0SVwWHE5xQ7kM9uy5GAj1JCS91weQz3wg+ICr/yXQvTZnsyVGs\nGzR+mDETXDPL1cT4s9Oy2ocd9E+knCGkj6ww+yE0WwXOB7CM7qWsC1pHNgtjGAcH\nAe+eocfmmOtahg4J80AuWIvHWRpZ7oVb2tcO1f/wQC78Qm/4A4X7QJg6qEesDGoZ\n45NoZoUvKaUmCZ4+w2cNeqdHD5eAbGRS+cVKHJZUkuzCI5LayCcVfizg5DV7vPgl\nGHVKd/Q/micd965t2RtOth2jGvZmWQ9ug+YmpVX7MAxzJosSEeNphLAkxTixu6aq\n1QIDAQAB\n-----END PUBLIC KEY-----\n","published":"2017-04-10 00:00:00.000Z","summary":"

.:Für alle Lautsprecherdurchsagen, die zu schön sind, um vergessen zu werden:. BlueSky | X | Instagram | Facebook | TikTok: @BahnAnsagen

","updated":"2025-10-14 05:19:12.216Z","user":"","username":"BahnAnsagen"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-08-15 08:57:51.915Z","domain":"mathstodon.xyz","followerCount":553,"followers":"https://mathstodon.xyz/users/zbMATH/followers","following":"https://mathstodon.xyz/users/zbMATH/following","followingCount":16,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/439/350/975/052/553/original/3690146750ea2eb4.jpg","id":"u4m8d9335hav9g0","inbox":"https://mathstodon.xyz/users/zbMATH/inbox","iri":"https://mathstodon.xyz/users/zbMATH","isLocal":false,"last_fetched":"2025-10-14 05:19:12.374Z","outbox":"https://mathstodon.xyz/users/zbMATH/outbox","preferred_username":"zbMATH","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3pO+botWSoZMO9QBUN4J\n5a81N0td0sbnvakgp/UkHsT9HMblIbZ9ZGmyE+tThROJzzguseH+fvnqTGo8UrmX\n29Lp5WKjhrewt6Tu685QkdyYP23d0eiXY+jsjUI/z91o0rx89zq8UKlXTLu8mLvy\nGfZ6dV06gBzBpsTlBvsH7MM2ajTZ+mEhWCYX//SodamietaU18436r6wR0BQsKrF\nZW69sDjcCOiRhe4+KLHCQmXu1RHm14C1Dp3d2Rm86ZA2zu9stJ3y5I6dwuY0kS7R\nv6r48nD5km+wJRnBNqe/eorxcUEqdmvWVbrNM1J+qI0yBrQ0FPVmgsKJk+Cuy7H1\nxQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-12-01 00:00:00.000Z","summary":"

zbMATH Open is the world’s most comprehensive and longest-running reviewing service in mathematics, edited by the European Mathematical Society @EuroMathSoc, the Heidelberg Academy of Sciences and Humanities, and FIZ Karlsruhe.

","updated":"2025-10-14 05:19:12.374Z","user":"","username":"zbMATH Open"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-08-02 03:36:57.246Z","domain":"mathstodon.xyz","followerCount":981,"followers":"https://mathstodon.xyz/users/emilyriehl/followers","following":"https://mathstodon.xyz/users/emilyriehl/following","followingCount":44,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/292/617/620/227/231/original/e01e739b1fcf160e.jpg","id":"9xi24zfy3eqmm58","inbox":"https://mathstodon.xyz/users/emilyriehl/inbox","iri":"https://mathstodon.xyz/users/emilyriehl","isLocal":false,"last_fetched":"2025-10-14 05:19:12.531Z","outbox":"https://mathstodon.xyz/users/emilyriehl/outbox","preferred_username":"emilyriehl","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyKPUTTeToYOvGH7CUGMg\nHtJpfM3Gd1NlOX8aUGE3G4/PTgPiN9DwyRBW0xofpXOjES8juDhcJlOQtSR26Rhx\neCOiJ1W44UzwX4IhKAZY9SFwq49TagknZgG3gezvaQbSivuLtndN2mO9rxavokFq\nxKg2JeJsnqkK1o0h8Hk+eQnwB5Y+n3TDtYGKTl56v2FZDzcoW9PmCc++F61alslr\ndaCR/XM6fniN3zhTdJoov/sANggqtfKoL8bAIWf83h5e8p82+z6cNNDCr+77CyfT\n+GnfOb7B82K6YqqUush+YZNDtMDeOvpq9hrmFyL30ocJj0WfjpifDRhMHaj25Px7\nPQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-05 00:00:00.000Z","summary":"

category theorist, working mathematician

","updated":"2025-10-14 05:19:12.531Z","user":"","username":"Emily Riehl"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-08-02 01:29:01.991Z","domain":"mathstodon.xyz","followerCount":1376,"followers":"https://mathstodon.xyz/users/DrEugeniaCheng/followers","following":"https://mathstodon.xyz/users/DrEugeniaCheng/following","followingCount":0,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/363/046/867/410/997/original/17294f111bdab061.jpg","id":"3rr20fky3086q85","inbox":"https://mathstodon.xyz/users/DrEugeniaCheng/inbox","iri":"https://mathstodon.xyz/users/DrEugeniaCheng","isLocal":false,"last_fetched":"2025-10-14 05:19:12.690Z","outbox":"https://mathstodon.xyz/users/DrEugeniaCheng/outbox","preferred_username":"DrEugeniaCheng","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3yMa1+lLrum3TTeqQjfJ\nNi1F3rYwZA60uViI3MugoHtrbRiNyPnd5Wyb3YPH+Ovrpujk4XPGNyNQ+g48sC3W\n4hb1JJ8iq5WtnIGIwBR9rd6ZpLfRuJXiRwEfsq747bRrsmPaioKqTl3zbjKXQVZd\n0ifA1wcjOBW5DhCbiMR7y8LTH2WiJCbWsJO8VWnePdpFzpIz3cIyJhYo54I2F4uG\nXCF3R+GEOvXALSFaNhnbCSQOi1F6kQDBcHL0nRjMZB3AlSw8L5uVpAn0GNS1YVL7\nwlDOgmGxoynzks6fXA7pDDLx4JzP3CtWy3o0BFp6e5a8MI2BjbaN3+htlhd14pRm\n5wIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-18 00:00:00.000Z","summary":"

Pure Mathematician+pianist. Grieving involuntary childlessness. Author: How to Bake π, X+Y, etc. Latest book is The Joy of Abstraction. No advice please.

","updated":"2025-10-14 05:19:12.690Z","user":"","username":"Dr Eugenia Cheng"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-07-16 22:25:13.687Z","domain":"mathstodon.xyz","followerCount":13325,"followers":"https://mathstodon.xyz/users/johncarlosbaez/followers","following":"https://mathstodon.xyz/users/johncarlosbaez/following","followingCount":513,"icon":"https://media.mathstodon.xyz/accounts/avatars/108/205/715/237/591/098/original/23b93c7b653be37c.jpg","id":"9p90a3cwjc64i24","inbox":"https://mathstodon.xyz/users/johncarlosbaez/inbox","iri":"https://mathstodon.xyz/users/johncarlosbaez","isLocal":false,"last_fetched":"2025-10-14 05:18:31.390Z","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":"2025-10-14 05:18:31.390Z","user":"","username":"John Carlos Baez"}],"page":1,"perPage":10,"totalItems":8,"totalPages":1}

Marc Olschok

Following