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Professor of Engineering at USC; posts about technology, coffee, cats, academia, running, and random musings.

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Math and math education research @Helsingin Yliopisto; main past and current math research interests: #graph theory, #combinatorics, #analyticnumbertheory; some expertise in some #Mathematica functionality. Also interested in (but not doing research in) #logic and #foundations, #computationalcomplexity, #quantumcomputation and #foundationsquantumphysics, #AI models, and other mathematical topics.

Avocations: #visualarts and #photography, #music; #birds; #skiing on the fjells

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Staff Scientist at Los Alamos National Laboratory. Researcher on Quantum Computation and Quantum Machine Learning. Master of dungeons.

","updated":"2026-03-31 15:02:18.454Z","user":"","username":"Marco Cerezo"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-11-23 17:09:51.721Z","domain":"mathstodon.xyz","followerCount":64,"followers":"https://mathstodon.xyz/users/jadelgador/followers","following":"https://mathstodon.xyz/users/jadelgador/following","followingCount":80,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/291/899/543/563/617/original/a0e9ece0ec2d9e26.jpg","id":"34e5crqup93d709","inbox":"https://mathstodon.xyz/users/jadelgador/inbox","iri":"https://mathstodon.xyz/users/jadelgador","isLocal":false,"last_fetched":"2026-03-31 15:02:18.485Z","outbox":"https://mathstodon.xyz/users/jadelgador/outbox","preferred_username":"jadelgador","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzg7FJJvYmIp6+pplnofX\nNapKmX4bij8wv6kYDeQCkZtk8SrIj3GimD1cL59r0O5n5wdnFhjxoMQkNrbA0UpR\nZn8ba1nxbTV+R6fDvz3NZObiHv+5K83Zn3oXeo9MWbr8+OuS8x7J/HAs8L/GcwNU\nVVixqH8uKnjj62mTo7LcYRlATxiyIVlEBvqQrIp/25XQ+3eja5FQw8BSDhmCWkjK\nqLYEtTz7mDttF0k56kDQmEQXuXIaHfWovHLqgGJrAMaVsC/7oXT58hTLO5bZyuz5\nr1AZxM1VCORqgNpECGXxFLUdjMvP5V8lAN8HNlFGwwnSVH7C0IH83QtVBU5rmXwu\n7wIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-05 00:00:00.000Z","summary":"

","updated":"2026-03-31 15:02:18.486Z","user":"","username":"Alberto Delgado"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-10-02 06:51:16.518Z","domain":"mathstodon.xyz","followerCount":8854,"followers":"https://mathstodon.xyz/users/gregeganSF/followers","following":"https://mathstodon.xyz/users/gregeganSF/following","followingCount":337,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/245/240/154/101/629/original/11df23f9d8fee10d.jpg","id":"s4sdtyy0r76sx2w","inbox":"https://mathstodon.xyz/users/gregeganSF/inbox","iri":"https://mathstodon.xyz/users/gregeganSF","isLocal":false,"last_fetched":"2026-03-31 15:02:19.258Z","outbox":"https://mathstodon.xyz/users/gregeganSF/outbox","preferred_username":"gregeganSF","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx9ZhA5KSxXb5sSgP/XKs\n1f1ZIgXdTzQ5zSHaVzv46FAgiFj0QC/qQfbNeotZKx9P1AawgHAdGW2Buo0AohWe\nK0m1x/OVN3LYlaermJI2QlfcWbAw6tAsZp1GP6ryfErnkfzM46q0fT5p2y9qvh3P\n3eawe18hj+rF+4w0OdW/xrd3PzubzS9l1HfGSANh5L/0mzVBFLCC7INL9Slnnpo6\nZ0uoUT5IJlXZ2QsWvK6Th87gNE9a8Y+F4LzgZRjA2wAS+PyXe6Pf/UxOhn2OEo06\n0uIcQjccy821DiRVubx3YHVaka8isCWHcEPzk3Jjn0eU2XJtSUjKhiRdvZEMOcZE\nhQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-10-28 00:00:00.000Z","summary":"

I am a science fiction writer and computer programmer.
Latest novel: MORPHOTROPHIC.
Latest collection: SLEEP AND THE SOUL.
Web site: gregegan.net

","updated":"2026-03-31 15:02:19.259Z","user":"","username":"Greg Egan"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-03-31 15:02:19.290Z","domain":"mathstodon.xyz","followerCount":0,"followers":"https://mathstodon.xyz/users/AGFrieiro/followers","following":"https://mathstodon.xyz/users/AGFrieiro/following","followingCount":0,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/306/693/789/267/863/original/f057d91ccfb58aba.jpg","id":"lctnyuaqbdnepec","inbox":"https://mathstodon.xyz/users/AGFrieiro/inbox","iri":"https://mathstodon.xyz/users/AGFrieiro","isLocal":false,"last_fetched":"2026-03-31 15:02:19.289Z","outbox":"https://mathstodon.xyz/users/AGFrieiro/outbox","preferred_username":"AGFrieiro","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx1YhPYe1A4uEP+bPg+FP\nIYqT4hKcD65yzrPfEzhWXhUw7rZoRSg63B5FGj5NPRiaXEtb5WPh6hhbsaJmcW5V\nuwKtMvZyOb540Xz3Ga72LkLn/wKktcW8wZtndnBW2YgwT6/PCsvtyTa1MX/co9AL\nhnRB/jdjqtSCv/7d+i91usGedaqxNaJtiCfRt42SWp8pSkhndh6uIQsWx3THnbZf\neS9mzub1i3rqYzlnjz8WajHOQBc+/nvTCj07UqDyZpZmwj59Yrp8CxRapzyXjId3\nMKcz9YKJIAcuIGrCbjzpYdAiEXZFe56bUNIlVmTNdTHOOIxN5BFT3PkSCVlY68yX\nWwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-08 00:00:00.000Z","summary":"

Quantum Engineer at IQM. PhD in superconducting quantum circuits. Love of music and tech among other things.

Views are my own.

","updated":"2026-03-31 15:02:19.290Z","user":"","username":"Alejandro Gomez Frieiro"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-10-06 00:22:52.420Z","domain":"mathstodon.xyz","followerCount":2496,"followers":"https://mathstodon.xyz/users/j_bertolotti/followers","following":"https://mathstodon.xyz/users/j_bertolotti/following","followingCount":335,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/246/464/168/164/998/original/fd737a375bd6a2dd.jpg","id":"6mu2818926ei7ro","inbox":"https://mathstodon.xyz/users/j_bertolotti/inbox","iri":"https://mathstodon.xyz/users/j_bertolotti","isLocal":false,"last_fetched":"2026-03-31 15:02:19.321Z","outbox":"https://mathstodon.xyz/users/j_bertolotti/outbox","preferred_username":"j_bertolotti","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1vmLwe6Y8faYh2d4G3kY\n6/1qzdhR7e8vq4rZ99cqvFxEGh2KdoQ2yRya6S2cRNzZtEFLGQgmBuTVNFDiNjwq\n1Nlb4GOwFveufgi5P8CxpPonW0PfKFyRalVXhextILaUF34SMPCn5X1Ks09BJjIR\nijpgQAvdlYW/suOEbnnwgOcLRz7RR569nGyKazVG6W79TNAttPRwf7RNHRmiYLyh\nMf4tEq54hDVE1OEv0+lMEdS3ptVtyha4W8Y7HgbjXrIEI7We5FjNcfWqAbntMP+Q\nwNpwwFw+C2wEu491G3wx/MpJHBRNt4X0rq6RSsl0lw0ItKrL+ZH3vchjYwLKWAaz\nPQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-10-28 00:00:00.000Z","summary":"

Associated Professor of Physics at the University of Exeter.
Scientific visualizations (grouped under the hastag #PhysicsFactlet).
He/lui/on. All opinions are my own fault.

","updated":"2026-03-31 15:02:19.321Z","user":"","username":"j_bertolotti"}],"page":1,"perPage":10,"totalItems":13,"totalPages":2}

Dr. Andrés Ulibarrena

Following