{"items":[{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-12 23:24:39.777Z","domain":"mathstodon.xyz","followerCount":30,"followers":"https://mathstodon.xyz/users/bobhearn/followers","following":"https://mathstodon.xyz/users/bobhearn/following","followingCount":21,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/684/408/905/016/233/original/cca9e450b322c6f0.jpeg","id":"kg3haakmi8lqz3x","inbox":"https://mathstodon.xyz/users/bobhearn/inbox","iri":"https://mathstodon.xyz/users/bobhearn","isLocal":false,"last_fetched":"2026-01-08 07:21:52.374Z","outbox":"https://mathstodon.xyz/users/bobhearn/outbox","preferred_username":"bobhearn","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyNz9dg3ENa3BJrmu4Jxi\nBHZ0YsRzvZMEIR3cFWkTN26LkkfGQ/x0aUqPp+evdmIPVeiMipipXkObzZVvtPjN\nsihKYvA7Bo6/OS+3g1JSv2ZNvq7is3folL74n1414uYU6GJmR1MwSCrvlM/sXXtJ\nME8nFgqacz+xh0VR6LC2vKlRYD3DEs2kcMTYKZlwqJmjAs/wSegY2lRJ35k03Pyz\nXcEJRXmiiA10TTtzE3zBoQbKF6OHdYud9m7JQqFECYAdBwnxXQIvPjXIxzzW0QXh\nJ+2udcoCriaaGlyd6+axDM+Si6hw8OzdtqZLGCsxAkJ+5YdnYJrJMOQl3gCQns5l\n4wIDAQAB\n-----END PUBLIC KEY-----\n","published":"2023-01-13 00:00:00.000Z","summary":"

I've worn a few hats. I'm known for ClarisWorks, for nondeterministic constraint logic, for ultrarunning, and lately (hopefully) for the notion of compound symmetry group.

I'm the program chair for the Gathering 4 Gardner conference (and G4G board member).
I'm on the board of GOMU (the global organization of multi-day ultramarathoners), and the records committee chair.

","updated":"2026-01-08 07:21:52.375Z","user":"","username":"Bob Hearn"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-09-20 01:58:24.334Z","domain":"mathstodon.xyz","followerCount":5569,"followers":"https://mathstodon.xyz/users/ColinTheMathmo/followers","following":"https://mathstodon.xyz/users/ColinTheMathmo/following","followingCount":7457,"icon":"https://media.mathstodon.xyz/accounts/avatars/000/000/013/original/d3bb832f7c670bec.png","id":"y3f6lexrbomj0v5","inbox":"https://mathstodon.xyz/users/ColinTheMathmo/inbox","iri":"https://mathstodon.xyz/users/ColinTheMathmo","isLocal":false,"last_fetched":"2026-01-08 07:06:23.631Z","outbox":"https://mathstodon.xyz/users/ColinTheMathmo/outbox","preferred_username":"ColinTheMathmo","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6OrmrQbTJl3U0FDjFjLq\nLyCZ8+V+XYSclQqm3PMrjmphEbhprMWUJlmHzpV1gGY9WS4JjS3IuM1sPopTNsCL\n9lerUbxE4NvHee/8S8zRQSVkZkEGU6ppB/i7dzScraZp7L2+R/fZGkYxjWB+zxn/\nWDW9pX/i4MofAecP3BeRRuglXW5aj04yWCZr23EiZ8uib4bGQboI0VH5dJ1eH1zR\ntdzOmS105RTGg4CiMuDht4V0gJuGiaR0d8CghGfBntfoC0sDmnCE/UdRj7aPgtqY\ng4+S9j37RYCoSzNfbsF9y5Za1Xl71TxkfmPefBFDh0peefOUTfbyHq2cWhTZ5xzQ\nqwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2017-04-14 00:00:00.000Z","summary":"

Fulltime freelance provider of outreach and enhancement in maths ... I talk a lot. About maths.

I talk about other stuff too, like ballroom dancing, juggling, unicycling, education, engineering, software, and "other things".

But mostly about maths.

I tend to follow back, but only if you have something in your profile.

","updated":"2026-01-08 07:06:23.631Z","user":"","username":"Colin the Mathmo"}],"page":1,"perPage":10,"totalItems":2,"totalPages":1}

Barry

Followers