Homomorphisms and idempotents of group algebras

Cohen, Paul J.

doi:10.1090/S0002-9904-1959-10286-X

Bulletin of the American Mathematical Society

The Bulletin publishes expository articles on contemporary mathematical research, written in a way that gives insight to mathematicians who may not be experts in the particular topic. The Bulletin also publishes reviews of selected books in mathematics and short articles in the Mathematical Perspectives section, both by invitation only.

ISSN 1088-9485 (online) ISSN 0273-0979 (print)

The 2024 MCQ for Bulletin of the American Mathematical Society is 0.84.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.

Homomorphisms and idempotents of group algebras
HTML articles powered by AMS MathViewer

by Paul J. Cohen PDF

Bull. Amer. Math. Soc. 65 (1959), 120-122

References

Arne Beurling and Henry Helson, Fourier-Stieltjes transforms with bounded powers, Math. Scand. 1 (1953), 120–126. MR 58009, DOI 10.7146/math.scand.a-10371
Henry Helson, Isomorphisms of abelian group algebras, Ark. Mat. 2 (1953), 475–487. MR 58138, DOI 10.1007/BF02591001
Henry Helson, Note on harmonic functions, Proc. Amer. Math. Soc. 4 (1953), 686–691. MR 58027, DOI 10.1090/S0002-9939-1953-0058027-9
Walter Rudin, Idempotent measures on Abelian groups, Pacific J. Math. 9 (1959), 195–209. MR 105593, DOI 10.2140/pjm.1959.9.195
Walter Rudin, The automorphisms and the enodomorphisms of the group algebra of the unit circle, Acta Math. 95 (1956), 39–55. MR 82052, DOI 10.1007/BF02401097
Walter Rudin, On isomorphisms of group algebras, Bull. Amer. Math. Soc. 64 (1958), 167–169. MR 96981, DOI 10.1090/S0002-9904-1958-10195-0
R. Salem, On a problem of Littlewood, Amer. J. Math. 77 (1955), 535–540. MR 70756, DOI 10.2307/2372640

Additional Information

Journal: Bull. Amer. Math. Soc. 65 (1959), 120-122
DOI: https://doi.org/10.1090/S0002-9904-1959-10286-X
MathSciNet review: 0151548