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Research in computational group theory and algebraic Lie theory; open source; working on computer algebra systems OSCAR and GAP; Julia programming

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Mathematician at the University of Bonn, working in geometric group theory, often with a computational perspective.

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Math professor in Heidelberg, Germany.
I like groups and geometric spaces, all things symmetry, coffee, art and chocolate.
(she/her)

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#Perovskites #COMSOL #Python #Computational

#PKM #PKMS #LogSeq #Obsidian #Joplin #OmniFocus #Capacities #ClickUp #TickTick #FleetingNotes #Tana \u0010#Anytype #Notion #Taskade #MemAI #Zettlr #xTiles #CraftDocs #MakeMD #Zettelkasten #GTD #ZTD #JohnnyDecimal #PARA #SecondBrain
#BASB #Loom #CraftDocs #Omnivore #Scrivener #CleanShot #SnagIt #ScreenStudio

","updated":"2025-11-28 01:52:20.185Z","user":"","username":"Belqis"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-11-25 12:28:05.501Z","domain":"social.vivaldi.net","followerCount":0,"followers":"https://social.vivaldi.net/users/Calixthe/followers","following":"https://social.vivaldi.net/users/Calixthe/following","followingCount":0,"icon":"https://social-cdn.vivaldi.net/system/accounts/avatars/110/709/112/465/736/622/original/60dd5ade55ef0906.png","id":"rvjl8ujc961v5pf","inbox":"https://social.vivaldi.net/users/Calixthe/inbox","iri":"https://social.vivaldi.net/users/Calixthe","isLocal":false,"last_fetched":"2025-11-28 01:52:20.356Z","outbox":"https://social.vivaldi.net/users/Calixthe/outbox","preferred_username":"Calixthe","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyxiZMPsqiRt4DxIsa2Ds\nHfYUW8WkfTP6TLYzOz+si0vPxEMQEqeaMhd4zMp//+bcIxJ4l76CXJDzhNOgj6rT\nglfz00wfCDDpQ8p3skGWPGbOdZ2MN74vExZDIMoWH7FnKspnY65j4AUGXR2hq77d\nMVRoWFckjWf67D5dojvBrRB5AeRvJAYXdEKBmUKrAZJYN8Eix1BfDL/QKf/+7lVT\n/CQ/rEMKfBdTAJz1JFj4M5JbgmAobdWwKsbdD8qL2F/a7iQiiiNffd3UhiG/mi/9\n0lAgOL26m42HD4mDYhbypXzMb7z6lz7Orxy2dbG4TytJZa3DlCnjuR2QCLBqalVf\nUQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2023-07-13 00:00:00.000Z","summary":"

Here 4 creatives, activists, scientists, engineers, academics & any genuinely curious people. ALT TEXT: Avatar: white letters, black background. "First they came for the socialists, and I did not speak out—because I was not a socialist. Then they came for the trade unionists, and I did not speak out—because I was not a trade unionist. Then they came for the Jews, and I did not speak out—because I was not a Jew. Then they came for me—and there was no one left to speak for me. Martin Niemöller

","updated":"2025-11-28 01:52:20.356Z","user":"","username":"Calixthe"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-11-28 01:52:20.391Z","domain":"mathstodon.xyz","followerCount":0,"followers":"https://mathstodon.xyz/users/nauticalnullsense/followers","following":"https://mathstodon.xyz/users/nauticalnullsense/following","followingCount":0,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/354/796/630/161/317/original/904593e72caa2a1d.jpeg","id":"nuavvajejt1sb4o","inbox":"https://mathstodon.xyz/users/nauticalnullsense/inbox","iri":"https://mathstodon.xyz/users/nauticalnullsense","isLocal":false,"last_fetched":"2025-11-28 01:52:20.390Z","outbox":"https://mathstodon.xyz/users/nauticalnullsense/outbox","preferred_username":"nauticalnullsense","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzUuYgMZjKJ7rubRcYTid\nj9vscGBupYi7nlNb4z9dU5c4/QiJjoBk8jK2PUXQFAPjCvHoXZ1UfKWasyH6LFJG\nXc4E+tMvzI8PJVIgMr9AeIWB6I0KR+hiDeACSGjN9HBEbAf3NCCt0OfzVhdOfv3o\nyWd0oyWm1UL60qnlqoKJHSJeyCahxHO00tv4nKBCs/rPbNvQusIN6lB5Dh9bSPSC\nqJN8kUsYM4W0zaJTw++9KWxRZuztA9PzPAqsivMord4ZLIK09tXrWziGKfX6U3TL\ndbNz3zPty23zWekOFOO2I88ASTyol0K3SczTSYRGyXvpPdMp7o4QzdLwuP+BHdOK\nhQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-16 00:00:00.000Z","summary":"

A game developer, digital fusion musician, math & CS nerd, and just a bard!

","updated":"2025-11-28 01:52:20.391Z","user":"","username":"ø null (they/them)"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-11-16 06:45:51.476Z","domain":"mastodon.social","followerCount":36,"followers":"https://mastodon.social/users/df916/followers","following":"https://mastodon.social/users/df916/following","followingCount":683,"icon":"","id":"t1i4dv2fhdbkcbb","inbox":"https://mastodon.social/users/df916/inbox","iri":"https://mastodon.social/users/df916","isLocal":false,"last_fetched":"2025-11-28 01:52:20.505Z","outbox":"https://mastodon.social/users/df916/outbox","preferred_username":"df916","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxMkzbNByPnVX8bH1Cnr/\njBjH4t8sFCikm8QBqAgqmGaLggIdU13h9p7RUPyDDARbJwm7DHJNcSq4Nkl9mBH1\nEaehAhjKgDH80NSh1ACEUw4uSY7vUj72Efmk6FMIT/XA0Q2OWJz2XExEsUseigDh\npxqZ7zg0fMXfLqdFvgu5HcSPxrh/bsaFodSmPBMXck3MHqDSqWZvnNO2waP4EOv3\n4vfe+kz7IYVOmzdmuEaZcnubnA24B9a5CXqlr64A9oK5vcvhzq6ym8E+ryftDXBH\nxomu0qmReXjWrYVDAsSY8pANPcsF3FNhQTl9KNO9AoJSPHqgdyqYm/vCtRz7hUPr\njwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2023-04-09 00:00:00.000Z","summary":"","updated":"2025-11-28 01:52:20.505Z","user":"","username":"df916"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-11-28 01:52:21.214Z","domain":"mathstodon.xyz","followerCount":0,"followers":"https://mathstodon.xyz/users/kielak/followers","following":"https://mathstodon.xyz/users/kielak/following","followingCount":0,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/332/738/261/740/733/original/3881564570781e44.jpg","id":"5tk0jjhyghncq1a","inbox":"https://mathstodon.xyz/users/kielak/inbox","iri":"https://mathstodon.xyz/users/kielak","isLocal":false,"last_fetched":"2025-11-28 01:52:21.214Z","outbox":"https://mathstodon.xyz/users/kielak/outbox","preferred_username":"kielak","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAub9SnXFchSLa+djv1aV2\nhDF7EBylL9DuyRm03l08DrsB+IbZCUQ0GkdCyGfANtltt8k18PKp/7ndW3vhzEq3\nybWuUx99PESXeHWgsQykmrtuZmC5G7HO6AhRZgSlzAPnSNdvsCkuQNGhNUQS4cNk\ni+2IGIqjgkWSiS1JuG1t6Tm29WxHgHSc0oQFPAnv19DDr3n0CqZE0E680GQPP85g\n2mZo2Z+JeB584HGdwtBzZyiv+g6PrHAsWm2/3+8zwgiEIfMfbSLqjc8dITnRzQrU\nf2dOXWkIa0l16s4u9Xdm62nhSta3cFWSOP5F4x3eha4mav4BcdpRosdVvguEvtzt\n4wIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-12 00:00:00.000Z","summary":"

Mathematician

","updated":"2025-11-28 01:52:21.214Z","user":"","username":"Dawid Kielak"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-10-25 11:48:22.123Z","domain":"mathstodon.xyz","followerCount":99,"followers":"https://mathstodon.xyz/users/djspacewhale/followers","following":"https://mathstodon.xyz/users/djspacewhale/following","followingCount":250,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/564/744/609/923/343/original/0ce8dcbd83c1a6f7.jpg","id":"b7cwguqwqwsbqnf","inbox":"https://mathstodon.xyz/users/djspacewhale/inbox","iri":"https://mathstodon.xyz/users/djspacewhale","isLocal":false,"last_fetched":"2025-11-28 01:52:21.249Z","outbox":"https://mathstodon.xyz/users/djspacewhale/outbox","preferred_username":"djspacewhale","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0cv0Dl2X+EKBx71LkW85\n+TpE7irOt1KNgOjPDOP/gtIwxeZonAKiCwJOECpYkNDBiIu+RffA0/Wdy4aVuRit\ntTrNuK4pNOcOvJ2sQJBhNnSroekiDQQFV3r2XhkvhlA2pLUEbyRbsG7eKFmvMfkj\nRe7vvV7EFm1VFp+RAT+GzRCJuSFL8DPJ7zSD0C1D2NTyAXKBJIng2bmgj+GJ6u7b\nwpLYV8uFNSoIzNsVRgfJZ9CnFR6VJAo4prfljfNfudRVGN70pW7YLyG9TWiOp4Gz\nJDTEvH+6u32vao//b+T/SS9EdQP3U+CKdunN3DDwSTe5g10tRloKeDLV4fcLdd5T\nlQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-12-23 00:00:00.000Z","summary":"

figuring things out as we go

","updated":"2025-11-28 01:52:21.249Z","user":"","username":"Garrett Figueroa"}],"page":1,"perPage":10,"totalItems":105,"totalPages":11}

arXiv math.GR feed

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