{"items":[{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-04 02:25:05.050Z","domain":"mathtod.online","followerCount":20,"followers":"https://mathtod.online/users/mathraphsody/followers","following":"https://mathtod.online/users/mathraphsody/following","followingCount":19,"icon":"https://f005.backblazeb2.com/file/mathtodonassets/accounts/avatars/110/642/145/266/957/738/original/1814ef3786a20db1.jpeg","id":"36qxxuw1jk1udo5","inbox":"https://mathtod.online/users/mathraphsody/inbox","iri":"https://mathtod.online/users/mathraphsody","isLocal":false,"last_fetched":"2026-03-25 00:18:35.657Z","outbox":"https://mathtod.online/users/mathraphsody/outbox","preferred_username":"mathraphsody","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlejywRRBUobO+dc5/bJS\nGRiF7qgu0eSINesI6SOFrHdwHn/AaqMJXPA+nXQycVF5IRiy6bR6y9JTC//NoUCV\nKccDL8IN1qvWnWwr1gZYFhqOZXLzPcFcDYGqEz2Dhvqqxq8Q7Vb9Vfq+A/FTwHn9\ngIkttseOIDObk78tF7RjBAvc85jP899ZPQdYgkU7Wwd9tJUGvLMQh707gJThCF+q\nFwQv7I372iJtIAlhAzvd7jw9qluVion+UxEv/HKjD7tebMt5QnJSB6zFhTTJWyAL\nmlbFMmKWtixU/mQs9fJ0sKbTlqh8/8MdZXsXvxZTzw2icazPYGu+ScvbAteJm30C\n3wIDAQAB\n-----END PUBLIC KEY-----\n","published":"2023-07-02 00:00:00.000Z","summary":"

数学やってます．専門は表現論．リー群とかリー環とか旗多様体とか簡約代数群とか冪零多様体に Robinson-Schensted-Knuth 対応とか，フリーズの数学とか．
twitter と同じ名前で出てます．

","updated":"2026-03-25 00:18:35.657Z","user":"","username":"lestroarmonico"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-03 03:08:50.851Z","domain":"mathtod.online","followerCount":41,"followers":"https://mathtod.online/users/ron1827/followers","following":"https://mathtod.online/users/ron1827/following","followingCount":15,"icon":"https://f005.backblazeb2.com/file/mathtodonassets/accounts/avatars/000/000/337/original/81638ec31cb30db9.png","id":"whmmpnqhctbd9lg","inbox":"https://mathtod.online/users/ron1827/inbox","iri":"https://mathtod.online/users/ron1827","isLocal":false,"last_fetched":"2026-03-25 00:18:35.967Z","outbox":"https://mathtod.online/users/ron1827/outbox","preferred_username":"ron1827","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy15qqrarefpKizDwkz2x\nmgu8Rl6h0vx+DaX8Cmm3K8fIirAChs/3i25MuMahrkDaCT+tmuB527Kx+yUNSfJw\nhhVCRM5tHBflxO1VjopHDZqZwVggfcmM+mjuI8brsIy0rD2L2O5J/La+VQRPMUvX\nuZ+HQpD/N8sUQQPTl8mNSqHOlbsPdfyhzT501+IqqWELG7bPANEBvfGb6VNCdofC\nAQfgB4KBN+JEOB7NOjIZiOQ0LLR1+cpZPK/+h+vRg7QmXZJ7clI/TId8o+tpVHFs\n+Sfbx5a+yCqNg1eZY5AiMP+0aL4G02JkbEENpEnGrWkGc1OyVrEVGQts5lvLZpSq\nrwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2017-04-24 00:00:00.000Z","summary":"

惑いっぱなしの不惑．妻と２歳男児．

","updated":"2026-03-25 00:18:35.967Z","user":"","username":"龍孫江"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-01 21:04:50.259Z","domain":"mathtod.online","followerCount":30,"followers":"https://mathtod.online/users/ika_katsu/followers","following":"https://mathtod.online/users/ika_katsu/following","followingCount":33,"icon":"https://f005.backblazeb2.com/file/mathtodonassets/accounts/avatars/110/644/754/326/101/204/original/60969ef0310aa607.jpeg","id":"svqumg3la0i7eqb","inbox":"https://mathtod.online/users/ika_katsu/inbox","iri":"https://mathtod.online/users/ika_katsu","isLocal":false,"last_fetched":"2026-03-25 00:18:36.272Z","outbox":"https://mathtod.online/users/ika_katsu/outbox","preferred_username":"ika_katsu","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw1/stcPQyo5/oieIvzZF\nHSc8iVkZkdeZl/lHUzbi3xT+hF5N5HSq9pDLgkCyQxdOzNwrvu1PauHrbiqmPV51\nEmn5Q46S6Lcn8bpooEaVn4eEf7GWKSdjW559NxurklTNo3mN64WkuvCpGlH0Es83\nmYC7OzKdyJl3qmfjv6ZMAyN/VVXkM3tPe5qJQRVZ5F0DGO+t/38pLifSQzNQnwcF\nPuxsbS9JqjPn9ejekHjR0RC7wqBTGC2lofacqzFUqq6+SSrt3I0s86M67jwBCSMz\n9IPPb2CYKTVSmupq4Fcs8xSUcINUG8qBZfgmbDfWMY9FbmbF3I7Q6yBizOKLxU3l\nIQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2023-07-02 00:00:00.000Z","summary":"

整数大好きZ世代！！

","updated":"2026-03-25 00:18:36.272Z","user":"","username":"katsu"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-05 01:04:42.638Z","domain":"mathtod.online","followerCount":24,"followers":"https://mathtod.online/users/donnay_dec24/followers","following":"https://mathtod.online/users/donnay_dec24/following","followingCount":12,"icon":"https://f005.backblazeb2.com/file/mathtodonassets/accounts/avatars/000/031/506/original/80f3a16af7561f6a.jpeg","id":"c7gl28sh3gk8ajv","inbox":"https://mathtod.online/users/donnay_dec24/inbox","iri":"https://mathtod.online/users/donnay_dec24","isLocal":false,"last_fetched":"2026-03-25 00:18:36.569Z","outbox":"https://mathtod.online/users/donnay_dec24/outbox","preferred_username":"donnay_dec24","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAslCHAKf0E5V4hbXL0lLA\nxhF6rPxdSj3Y7JbfSuePTr4OOP3tQCSO8dlZ8tfJBVCFTtfFzLKwfhHmvX6eBw9b\npdjIH989abCGpF27jF8HUYR2/S3HvbTn8lZZixW9L3Tw4G7wscwMajbQfOmnK4cN\nyz0YpA18miQ/v3iVpxlGGjJxGzUtC8VvfC68RAG6hZ1BNaPjdOwOpeO5GQ6t+hew\nvODenzvRr2SmI+3o82LRPhs5Ax1YWuDecgujmF4s6u5bJzGxakkR0pD2+ai6jMZR\ni93CuZwSJFGSzTCJSi/12bXAAfy/kSlJlVi6NOi2Dcem1DnoymX+mWXS21Jjz+29\nrQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2018-08-22 00:00:00.000Z","summary":"

びおびお〜

","updated":"2026-03-25 00:18:36.569Z","user":"","username":"どね"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-04 14:00:05.947Z","domain":"mathtod.online","followerCount":130,"followers":"https://mathtod.online/users/mathmathniconico/followers","following":"https://mathtod.online/users/mathmathniconico/following","followingCount":97,"icon":"https://f005.backblazeb2.com/file/mathtodonassets/accounts/avatars/000/009/532/original/b185b6ca26b087c5.png","id":"9jmdh4qcvcfhpl6","inbox":"https://mathtod.online/users/mathmathniconico/inbox","iri":"https://mathtod.online/users/mathmathniconico","isLocal":false,"last_fetched":"2026-03-25 00:18:36.876Z","outbox":"https://mathtod.online/users/mathmathniconico/outbox","preferred_username":"mathmathniconico","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA77Y3PxZH5Un6XuaU442s\n7FfjmNbUWTSxXHB5T3Pna+e7w41XpasydYb6RYBPWBrq/xRL+vl9xFz5DY6y/tp2\n8daaHkRikx+mNlbw3H6oH4EFh+uSUCm51NYD+C+ZUd6e8xSYv0UpLGJ9nbpGoNjT\npq/ao7aduNSUsbpRzHcc+whjNe77Zn4f7JMp/LkTvzwpdnXFcPFTV0z5L2ECnwYt\n8RX+rO4G2N8+uoyYBEQOlNTVGWPU1FmeT2yWjPNs4vhNTBBP6Wc3pUKRjhacOgto\n2NW2kda+3moajYDSQ9JRFEHDBzt1y01a+M4O6gfHmAKwBs5laTQaW2yejmfvyjDC\newIDAQAB\n-----END PUBLIC KEY-----\n","published":"2017-06-08 00:00:00.000Z","summary":"

ブログ：http://arxiv.hatenablog.com/
ニコ動：http://www.nicovideo.jp/mylist/51910166

","updated":"2026-03-25 00:18:36.876Z","user":"","username":"表示名"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-05 01:04:42.969Z","domain":"mathtod.online","followerCount":130,"followers":"https://mathtod.online/users/irobutsu/followers","following":"https://mathtod.online/users/irobutsu/following","followingCount":3,"icon":"https://f005.backblazeb2.com/file/mathtodonassets/accounts/avatars/000/000/490/original/f5527cc5d961f612.jpg","id":"0xgkvhhum4kvii5","inbox":"https://mathtod.online/users/irobutsu/inbox","iri":"https://mathtod.online/users/irobutsu","isLocal":false,"last_fetched":"2026-03-25 00:18:37.168Z","outbox":"https://mathtod.online/users/irobutsu/outbox","preferred_username":"irobutsu","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1dKQDy1MUPf9JTwaKSK\n1TCOcI8vuthBecdkNAEFZwWQoEU9r7snqJYmNb8HKh97EIg1j+DoVjD9N2GDMxwS\n9nTDbNwxr61vmj9qwAZ3jG6pg5elamtGMyXPCefsEi78yt9qw5urNDPj0N8lXcKn\nsWctPWoubQIWrSPCash0wcL3mNCX0yjU8jbdS1uNNS3NUaEj4lGFMy4gWVT7zZRO\nTLRGEFaQb+h1/2SBm4ha2vLNOdXOXRC/8dWvjvghBrS6y1ncCDCIxvlQ1WdXUTXL\nyJzQoElPzdfKoqIfcTDM8wd4VfNgmEcQRDl97u5BNdOhR3/TJ1InwcjXLTBTt0OX\n0wIDAQAB\n-----END PUBLIC KEY-----\n","published":"2017-04-24 00:00:00.000Z","summary":"","updated":"2026-03-25 00:18:37.168Z","user":"","username":"前野［いろもの物理学者］昌弘"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-05 01:04:44.253Z","domain":"mathtod.online","followerCount":5,"followers":"https://mathtod.online/users/PPSPSSSPPP/followers","following":"https://mathtod.online/users/PPSPSSSPPP/following","followingCount":5,"icon":"https://f005.backblazeb2.com/file/mathtodonassets/accounts/avatars/000/001/054/original/15a56d66e7fda310.PNG","id":"3m2qczglwfn0i6e","inbox":"https://mathtod.online/users/PPSPSSSPPP/inbox","iri":"https://mathtod.online/users/PPSPSSSPPP","isLocal":false,"last_fetched":"2026-03-25 00:18:37.467Z","outbox":"https://mathtod.online/users/PPSPSSSPPP/outbox","preferred_username":"PPSPSSSPPP","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA188zKl2T6g70ZkNKdPos\nwiv0rlZD0+A8I4ZTwmdJsVvICeI6FMVYBinzvYV6/5gZnA11cRJiYSOs94SKIoE5\nnM+Pog7foPnMcNci8QLcJJX31fNROVO0at6v0qR0PDgvvN6CD6Zvbl/pyZi9yfgm\n15Y+J0o52zjlnTQ7V/0Wwu9RBQbIalV7exssg1d+szfmYOjGYwuJ+fGb4L6K0MI2\nTLeeIYeSpx9a4dfhQEae72olWPr205ymeZy7/DbsgqgZFvaZAAgnArBwb70S0kY8\nkTUrbQEmNJZzom7eGo+cHogtzf58WbxEJ2LNI6A+N4sKIFGxKJBTSsSyfjmh6ttJ\nlQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2017-04-24 00:00:00.000Z","summary":"","updated":"2026-03-25 00:18:37.467Z","user":"","username":"ペンパ石"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-01 15:54:26.929Z","domain":"mathtod.online","followerCount":25,"followers":"https://mathtod.online/users/kiguro/followers","following":"https://mathtod.online/users/kiguro/following","followingCount":12,"icon":"https://f005.backblazeb2.com/file/mathtodonassets/accounts/avatars/000/000/284/original/88116418abca4f46.jpg","id":"y7n3wusnm6qlncl","inbox":"https://mathtod.online/users/kiguro/inbox","iri":"https://mathtod.online/users/kiguro","isLocal":false,"last_fetched":"2026-03-25 00:18:37.763Z","outbox":"https://mathtod.online/users/kiguro/outbox","preferred_username":"kiguro","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6MB10uj3BcKuifP5CNJQ\nzGqyTTAYNKKl6t2gYWa80PUlMakS+3ticlDK/B994Zw6poEm3vc2aMP2eXm0t4BM\n2WfPVLf+ahbmhSZsfiH5ChmQ9vqg+2YMMcDxZa0c4RmB3TAKj5YoXC8FBQp0Y2q+\nDlWueF/6vKrj65cp4MwzNbIziajww+z9idDFflajb7Lzc65B/nkK/MPlszXevFBo\nRIE7a7RQRzVzsCg2tYGVWQmEikVBnVGbt5BcIy2jvlfV1Szf0b6aEy5M25JNcqqW\nBNH12DgpCnBQdC2jrQ8Xi+XgKjj1MSu7no4b8MyvxuUKpV2r4aYY2wHF/By+vBYB\nbwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2017-04-24 00:00:00.000Z","summary":"","updated":"2026-03-25 00:18:37.763Z","user":"","username":"キグロ"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-05 01:04:44.715Z","domain":"mathtod.online","followerCount":12,"followers":"https://mathtod.online/users/Ns_math/followers","following":"https://mathtod.online/users/Ns_math/following","followingCount":3,"icon":"https://f005.backblazeb2.com/file/mathtodonassets/accounts/avatars/000/001/124/original/c19d3ca5123d9e8d.jpg","id":"fnlelaj29czpf8v","inbox":"https://mathtod.online/users/Ns_math/inbox","iri":"https://mathtod.online/users/Ns_math","isLocal":false,"last_fetched":"2026-03-25 00:18:38.060Z","outbox":"https://mathtod.online/users/Ns_math/outbox","preferred_username":"Ns_math","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxBj4TAIHwXAf1Cml0Lm0\nQ4vUcxXqLairKrlAeF9TETGPT3E7wm7SDRN7RhaJZVyFCn3rDSoy9Axp+xoEIgtG\nXMuW5q7gum+fe8N9kdUrSmuO+TuCv5csMEnXUIYwzPaqw6tTGzJi44hexwL17vhP\n8EW026v0WOHRghSUSgQ8yrLrNjOkS0VP3YoI4EbSt/L6++EcbzebXv5sfusH4dYd\nNcFw0+CXWFl6XMvi5wXEqTp325ZiSVNPzDw/CSBNwQxwbhV5bBKtCuHhD7t/FT2T\n3xhtziAI0SBguJWhPuhY52dyR+CSYuXr4DpEFHXbbl2ElmenUv3ht4wQbnum3xPJ\ntwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2017-04-24 00:00:00.000Z","summary":"

$S^1 \\hookrightarrow S^3 \to S^2$

","updated":"2026-03-25 00:18:38.060Z","user":"","username":"Hopf Fibration"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-05 01:04:45.100Z","domain":"mathtod.online","followerCount":104,"followers":"https://mathtod.online/users/sakura/followers","following":"https://mathtod.online/users/sakura/following","followingCount":96,"icon":"https://f005.backblazeb2.com/file/mathtodonassets/accounts/avatars/000/001/573/original/b9763df5efaf37fb.png","id":"5i0b5hxhd79jn1d","inbox":"https://mathtod.online/users/sakura/inbox","iri":"https://mathtod.online/users/sakura","isLocal":false,"last_fetched":"2026-03-25 00:18:38.366Z","outbox":"https://mathtod.online/users/sakura/outbox","preferred_username":"sakura","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwkAM8lKf23xP7C0QLHgj\njYXeChABk7glCk4ih0a25FZ2S1jXSzg7GscKldf4r3hnrxALIuY26E5dhKY6iEqs\n1JaYQYuPShc1faPojY8HVQDiyxfRcGAdmxzYEUNukggkQUfz/SxP4XrK164HX9yB\nqUrs9qeF6vQnhzB6XJWO85k8p7613TMRatB0rZPJkzSvpedWVG5FHxmqksA6QSJS\n/DwYvQbC3kGtizIuyRPszsImo2JE15Ep4RMV8ZmQP/wzyeJ82G5nceflnrapbwKc\n0SNb4ooUDdx2y0DYINEYEDl5gcu8bxjtXMaylcykW9hUJdiA8KAdpUNwDuL4x500\nOQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2017-04-24 00:00:00.000Z","summary":"

サクラは、一斉に咲いて、一斉に散るからこそ美しいのであります。

","updated":"2026-03-25 00:18:38.366Z","user":"","username":"サクラ"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-05 01:04:45.471Z","domain":"mathtod.online","followerCount":15,"followers":"https://mathtod.online/users/AlminiOxide/followers","following":"https://mathtod.online/users/AlminiOxide/following","followingCount":21,"icon":"","id":"o0fm3zgpyk21xgw","inbox":"https://mathtod.online/users/AlminiOxide/inbox","iri":"https://mathtod.online/users/AlminiOxide","isLocal":false,"last_fetched":"2026-03-25 00:18:38.663Z","outbox":"https://mathtod.online/users/AlminiOxide/outbox","preferred_username":"AlminiOxide","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzVD4AtrjwuwfKZ2Izxk2\nSsh1iOEq60q0rlD42nYZqMyG7CBRW3fX52v3wKb5Q9wcOCF5NuT+UeAi0FlZL0zj\nVY6r8WlYDeWHORog/ligTPB2JkuY/F9MAQNxFv5ISr8eWy6MzEM0c8GncA9MEPsr\ny+COVi4CMGPqH+F0lt4N7nDAwo2Ea4vOIdY7f8IQO+NPUvbqPyf8Wie06RMJJ1WG\nwgr185iyXm+kPetnxYM8Mo3IcTrcR++HcZEfzxCgqzjsRAO0amkx5AremA9htWpq\nq9knV750kmEiHewpiBElNepRi+TOihCbtywggfeqrPMe68By5A1+SloL2a37wjLE\nyQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2017-04-24 00:00:00.000Z","summary":"","updated":"2026-03-25 00:18:38.663Z","user":"","username":"AlminiOxide"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-05 01:04:45.870Z","domain":"mathtod.online","followerCount":12,"followers":"https://mathtod.online/users/masatodon/followers","following":"https://mathtod.online/users/masatodon/following","followingCount":16,"icon":"https://f005.backblazeb2.com/file/mathtodonassets/accounts/avatars/000/000/716/original/df54d95e210a1207.JPG","id":"vdtafszphlkk0hw","inbox":"https://mathtod.online/users/masatodon/inbox","iri":"https://mathtod.online/users/masatodon","isLocal":false,"last_fetched":"2026-03-25 00:18:38.946Z","outbox":"https://mathtod.online/users/masatodon/outbox","preferred_username":"masatodon","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoFfX1lcYRMauM1lVjxei\nLOpEi2o4AmmLIP+iPHqbkQRVhVXr+Yfg8ZYHtsBXT49f097x14BXlo56pi1cq7Tn\nB9SIPmToBB0pYYTxO8y8OJO4kM8FqWDF8W+edmagLqK2Cgjk4+Kduc88dI4/lgqp\nAkLltXtf0vh+hNCd0qU41SkPTwUEAcMpktC5jHoAs1CgRHFbCfj9gAY51d0ZkJFW\nOV91r2qb0xuTMh8BmjLzBsKzNHJs1SdcDOwCgrzFvhUiCXJDMjCAvLdGcKtjALpE\nXCIQ9K+d7Pm/f98+XppUYBCuXKYCUk5XyQBnqecRvS4165AM0YkyQPEHdGWxM07f\nUwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2017-04-24 00:00:00.000Z","summary":"","updated":"2026-03-25 00:18:38.947Z","user":"","username":"とーふや"}],"page":1,"perPage":10,"totalItems":202,"totalPages":21}

tsujimotterさん

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