{"items":[{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-20 00:08:36.862Z","domain":"mathstodon.xyz","followerCount":5,"followers":"https://mathstodon.xyz/users/jonasfrede/followers","following":"https://mathstodon.xyz/users/jonasfrede/following","followingCount":38,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/585/352/591/462/117/original/59db03c7c3e3ccaa.jpg","id":"gm6342v0ya4gc1e","inbox":"https://mathstodon.xyz/users/jonasfrede/inbox","iri":"https://mathstodon.xyz/users/jonasfrede","isLocal":false,"last_fetched":"2026-01-24 20:30:59.714Z","outbox":"https://mathstodon.xyz/users/jonasfrede/outbox","preferred_username":"jonasfrede","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1agoqIVHskVOZUQSMU+A\nSA0HWjHVkkSRHXT0ft3EGos4oiChOCk+YEKARt5g9xeD2WKRqfiX3034WaQJXafc\nY3KDktskVdv8lb9fBNiQnu7TKDhSemNjxpN5bTNTPWD7CQttxqesXeJR3Q5sZtxl\nn9E1FyPl7vRqaIpmFsKWT/N99mHJ5UKEkWebIbptf2X/spNGgtJ5YFyDqdObQ2IL\nO0syaptp/y8WvPX6kyebs5aWxO82DLgT0YaNPloG5PyxZbocer6Aqi8Vk6E3HZzR\nvhM0r3CVv2TMldp78Zc2YWufIg8CNFQrIIX5IAOsmT6+zZqZeQI7jaJQPRzxNmoP\npwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-12-27 00:00:00.000Z","summary":"

I like Mathematics, Optimization, Models, Operations Research, Data, Programming, Patterns and more.

","updated":"2026-01-24 20:30:59.715Z","user":"","username":"Jonas Frede"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-31 08:27:15.127Z","domain":"mathstodon.xyz","followerCount":1,"followers":"https://mathstodon.xyz/users/rsandvik/followers","following":"https://mathstodon.xyz/users/rsandvik/following","followingCount":17,"icon":"","id":"y2yo2o0wi0zbydu","inbox":"https://mathstodon.xyz/users/rsandvik/inbox","iri":"https://mathstodon.xyz/users/rsandvik","isLocal":false,"last_fetched":"2026-01-24 20:30:59.741Z","outbox":"https://mathstodon.xyz/users/rsandvik/outbox","preferred_username":"rsandvik","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAstOmqqmUfhufzbkUdncp\nM7w65rEX6A9IoKQifkN1YJ4a3kQbnx/pWkNoV/gLF2Zac9nWCcHEiDijYIuLH+m9\n7DmhCU8Xq5fxDa7AuoqFh6sRA8k/5Tcq89OkkBvvUWKOtCUA7NSyIh0ohmLffgim\n1No6EBf9tLbvLQdWSXjmpFzYURnxo8pyXATloVeHdQtsM45b1XSImsVBvBkcIC1V\nvAkskwtsMxMetg5gITAxs1v8N1ZTBH9EXNSbkh3/Xm8B5FuRJcJZNotX8ZF8CnFO\nSggFB/xAQPDxa4B1qNtA5xNqocSJowHKwg/Zn8y/elHIOyiGggTbdUVjepC3A+Dw\nMQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2023-07-25 00:00:00.000Z","summary":"","updated":"2026-01-24 20:30:59.741Z","user":"","username":"rsandvik"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-21 15:14:53.064Z","domain":"mathstodon.xyz","followerCount":18,"followers":"https://mathstodon.xyz/users/svigerske/followers","following":"https://mathstodon.xyz/users/svigerske/following","followingCount":21,"icon":"https://media.mathstodon.xyz/accounts/avatars/110/764/240/910/249/015/original/39cae593e8e4eb47.png","id":"ob0ud1yy1etv7o7","inbox":"https://mathstodon.xyz/users/svigerske/inbox","iri":"https://mathstodon.xyz/users/svigerske","isLocal":false,"last_fetched":"2026-01-24 20:30:59.766Z","outbox":"https://mathstodon.xyz/users/svigerske/outbox","preferred_username":"svigerske","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu/PoHsyqktiKtWHnDeVH\nitRoo2kMpmKzzTxCrLGHBrs4jbPwpfK7F8q74yqZzSDj6FxY2C/49pt4+xp+ixyy\n9AIWY2fvEHZwIBQ+H/9p4Ol5xKDf7GIP8vuiryR277nmBYyDCPQqFn2AVViGhcu4\nl0jdBrFNBcwtXLI2u07XKDzt+3o/E2ZlZLj2ofX2/1qOxwokvkI3hXsuM3d7cP3v\nO5C756Iq6eMosOxCwk/Mu+seDvJDkCVUTClUuJ5RyUSQZCVOOzcBN+L24yj/6e5J\nIinuqnXJv6o2xMX8ZThXJL8lxVhJymkdkC874L1vwlV9GHIo5oWdbxHYa4OZd2P7\npQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2023-07-23 00:00:00.000Z","summary":"

GAMS and SCIP developer, #MINLP, Berlin, Germany

","updated":"2026-01-24 20:30:59.767Z","user":"","username":"Stefan Vigerske"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-23 15:59:53.139Z","domain":"mathstodon.xyz","followerCount":173,"followers":"https://mathstodon.xyz/users/rrogers/followers","following":"https://mathstodon.xyz/users/rrogers/following","followingCount":251,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/331/097/516/762/442/original/91bfa44d0308f8c7.png","id":"laxn26i75rdhwqg","inbox":"https://mathstodon.xyz/users/rrogers/inbox","iri":"https://mathstodon.xyz/users/rrogers","isLocal":false,"last_fetched":"2026-01-24 20:30:59.792Z","outbox":"https://mathstodon.xyz/users/rrogers/outbox","preferred_username":"rrogers","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5mUg2VDph8Srwu2/X3G1\nYTibjug0Xlun6qj1383NKZg/ktdxguFJWxprMLk5PRoYLrw0l9tlOu1Esy7BEPKA\nhyHCmi1NIl9dtjy6MG6DPxSWd8Yq1vGuOS762BVoZZ+fTIHx7WopP9V8rym+mcbp\niee8VoNpb6RenjKjJC/Gvtuknz0GZs+kTAYQUZLfz/FXAzj7W6O2fQs69F1e7jLz\n/OcvvgBWbc20TA9N7MBZooUcu5KiEO6xEz/y9vhQ+00bLgBWCplVPqJiazyrZp1f\n0qenbj2SCHONShYCYjE+xMOPF2ARrTBbjAxbzgJ9ZRf8LFkpzomPOus8APWjSBAR\n3wIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-12 00:00:00.000Z","summary":"

Retired EE/Amateur Mathematician

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Interests:
Nonlinear multivariate dynamic stochastic global optimization (everything else is a special case, an approximation, or a compromise)

","updated":"2026-01-24 20:30:59.821Z","user":"","username":"Mark L. Stone"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-09-17 07:26:03.918Z","domain":"mathstodon.xyz","followerCount":6548,"followers":"https://mathstodon.xyz/users/christianp/followers","following":"https://mathstodon.xyz/users/christianp/following","followingCount":3935,"icon":"https://media.mathstodon.xyz/accounts/avatars/000/000/001/original/b81854b430500fd9.png","id":"89j77ky56s9b942","inbox":"https://mathstodon.xyz/users/christianp/inbox","iri":"https://mathstodon.xyz/users/christianp","isLocal":false,"last_fetched":"2026-01-24 20:30:59.845Z","outbox":"https://mathstodon.xyz/users/christianp/outbox","preferred_username":"christianp","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7styOSrv0MtxMtLfyGqy\niUhAkywIDZKHIeXwBaQoIEM33miw5NJDZIpYazlvi5K1pUsTsFbOXhHFwG39i3yW\nbz7KJeAMp1gqHssmRnkABf1kbVOoY5g2xzMwuIx/yVqmzoYBlgpUDKjwWfHSCwjN\nqWLbsHYUSCoRWKoRzAHBfm5rhXE5BIbB2eaKCCjsIlXLOuRfRPF4x7s7+v+El9d8\nuMFnIivF6H4xQthp6cdfTSEKtNgcbzEYOFmBro12f1Svx98ncylPIxmyG2em6I3m\nVMnoIQf4t/z1dW/vQV1dh+f3QJlx8AMWX4pk2G1C6lT5ji+NST8RY+jFKTIxu4ke\ncQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2017-04-12 00:00:00.000Z","summary":"

Mathematician, koala fan, mathstodon.xyz admin,
⅓ of https://aperiodical.com. He/him

","updated":"2026-01-24 20:30:59.845Z","user":"","username":"Christian Lawson-Perfect"}],"page":1,"perPage":10,"totalItems":7,"totalPages":1}

Mosek

Followers