{"items":[{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-03-19 06:49:57.147Z","domain":"sigmoid.social","followerCount":128,"followers":"https://sigmoid.social/users/aaroth/followers","following":"https://sigmoid.social/users/aaroth/following","followingCount":129,"icon":"https://cdn.masto.host/sigmoidsocial/accounts/avatars/109/523/660/178/049/688/original/ab8e32094ad2ee9c.jpg","id":"7u9i18z8sexlfjo","inbox":"https://sigmoid.social/users/aaroth/inbox","iri":"https://sigmoid.social/users/aaroth","isLocal":false,"last_fetched":"2026-04-19 12:06:52.057Z","outbox":"https://sigmoid.social/users/aaroth/outbox","preferred_username":"aaroth","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzBtPB+NiPnlD+9JXzW91\nv97ahDV9Bg98Hc2MQCyUakCU26kxz1mP2uBPAUZ0gRkq4Mmc6h50foTORvSiNxMb\nupzofpyG5wTzmkaNEh8CO/IFSz65MJSRj/8t+YhEkpJSez4XPp9fob69Zj9F4nM4\ngW0S4bGoLxK496XPtDCrSTYnbWMNBnKDt/1qpkPHmhBJ8AnQGeB+xSVuFcP7Ydtk\nEZD7AjbqBAtGvo7FQcfaZWG3W06rBlqVAOpa7qC862Cvu0PHIb6wH+qqCAtrJ6Ii\nRtjM3XsQbPV/Z1X3rzIglAZgacefGAUK93nCEaISAKUQVu2coCCjMFuG1jaPvRbk\nXwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-12-16 00:00:00.000Z","summary":"

CS professor at Penn. Amazon Scholar at AWS. Author of The Ethical Algorithm (w/ Michael Kearns). I study machine learning, privacy, game theory, and fairness.

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Professor, Computer Science, New York University

(ex-Carnegie Mellon University)

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Professor of #Mathematics at the University of California, Los Angeles #UCLA (he/him).

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aruzhan

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