Moss Sweedler

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Moss Sweedler, Berkeley 1970

Moss Eisenberg Sweedler (29 April 1942. Brooklyn)[1] is an American mathematician, known for Sweedler's Hopf algebra, measuring coalgebras, and his proof, with Harry Prince Allen, of a conjecture of Nathan Jacobson.

Education and career[edit]

Sweedler received his Ph.D from M.I.T. in 1965 with thesis Cocommutative Hopf Algebras with Antipode and with advisor Bertram Kostant.[2] Sweedler wrote Hopf Algebras (1969), which became the standard reference book on Hopf algebras. He, with Harry P. Allen, used Hopf algebras to prove in 1969 a famous 25-year-old conjecture of Jacobson about the forms of generalized Witt algebras over algebraically closed fields of finite characteristic. From 1965 to the mid 1980s Sweeder worked on commutative algebra and related disciplines.[3] Since the mid 1980s Sweedler has worked primarily on computer algebra. His research resulted in his position as director of the Army Center of Excellence for computer algebra.[3]

Sweedler was an Invited Speaker at the ICM in 1974 in Vancouver.[4] He was a Guggenheim Fellow for the academic year 1980–1981.[5]

Selected publications[edit]

  • "Hopf algebras with one grouplike element". Trans. Amer. Math. Soc. 127: 515–526. 1967. doi:10.1090/s0002-9947-1967-0210748-5. MR 0210748. 
  • "Cocommutative Hopf algebras with antipode". Bull. Amer. Math. Soc. 73 (1): 126–128. 1967. doi:10.1090/s0002-9904-1967-11677-x. MR 0214646. 
  • "Cohomology of algebras over Hopf algebras". Trans. Amer. Math. Soc. 133: 205–239. 1968. doi:10.1090/s0002-9947-1968-0224684-2. MR 0224684. 
  • Sweedler, Moss E. (1969), Hopf algebras, Mathematics Lecture Note Series, W. A. Benjamin, Inc., New York, MR 0252485 
  • with H. P. Allen: "A theory of linear descent based upon Hopf algebraic techniques". J. Algebra. 12: 242–294. 1969. doi:10.1016/0021-8693(69)90051-9. MR 0242906. 
  • with Richard G. Larson: "An associative orthogonal bilinear form for Hopf algebras". Amer. J. Math. 91 (1): 75–94. 1969. doi:10.2307/2373270. 
  • "Weakening a theorem on divided powers". Trans. Amer. Math. Soc. 154: 427–428. 1971. doi:10.1090/s0002-9947-1971-0279162-1. MR 0279162. 
  • Groups of simple algebras, Institut des Hautes Etudes Scientifiques 44 (1975), 79–189.
  • "The predual theorem to the Jacobson-Bourbaki theorem". Trans. Amer. Math. Soc. 213: 391–406. 1975. doi:10.1090/s0002-9947-1975-0387345-9. MR 0387345. 
  • "When is the tensor product of algebras local?". Proc. Amer. Math. Soc. 48: 8–10. 1975. doi:10.1090/s0002-9939-1975-0360568-6. MR 0360568. 
  • with Kenneth Newman: "A realization of the additive Witt group". Proc. Amer. Math. Soc. 76 (1): 39–42. 1979. doi:10.1090/s0002-9939-1979-0534386-3. MR 0534386. 
  • with Darrell E. Halle and R. Larson: "A new invariant for C over R: almost invertible cohomology theory and the classification of idempotent cohomology classes and algebras by partially ordered sets with a Galois group action". Amer. J. Math. 105: 689–814. 1983. doi:10.2307/2374320. 
  • with I. Rubio and C. Heegard: Gröbner bases for linear recursion relations on m-D arrays and applications to decoding, Proc. IEEE Int'l Symp. on Information Theory, June 29–July 4, 1997, Ulm, Germany.
  • with K. Shirayanagi: Remarks on automatic algorithm stabilization, invited contribution to (fourth) IMACS Conf. on Appl. of Computer Algebra (1998).
  • with L. Robbiano: "Ideal and subalgebra coefficients". Proc. Amer. Math. Soc. 126 (8): 2213–2219. 1998. doi:10.1090/s0002-9939-98-04306-8. MR 1443407. 
  • with Edward Mosteig: "The growth of valuations on rational function fields in two variables". Proc. Amer. Math. Soc. 132 (12): 3473–3483. 2004. doi:10.1090/s0002-9939-04-07456-8. MR 2084067. 


  1. ^ Dates of birth, report from Guggenheim Foundation 1980
  2. ^ Moss Sweedler at the Mathematics Genealogy Project
  3. ^ a b Moss E. Sweedler,
  4. ^ Sweedler, Moss Eisenberg. "Something like the Brauer group" (PDF). Proceedings of the International Congress of Mathematicians, Vancouver, 1974. pp. 337–341. 
  5. ^ John Simon Guggenheim Foundation | Moss E. Sweedler