Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5771787 | Journal of Algebra | 2017 | 38 Pages |
Abstract
Let f:GÃGâ¶L be a weak 2-cocycle, where L/K is a finite Galois field extension with Galois group G, and Af=(L/K,f) be the associated weak crossed product K-algebra. We associate a partition of G to Af and construct idempotent 2-cocycles of Af.
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory
Authors
Ch. Lamprakis, Th. Theohari-Apostolidi,