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» Expanders In Group Algebras
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FFA
2007
59views more  FFA 2007»
13 years 8 months ago
Idempotents in group algebras and minimal abelian codes
Raul Antonio Ferraz, César Polcino Milies
IJAC
2007
62views more  IJAC 2007»
13 years 8 months ago
Fixed Vectors for Elements in Modules for Algebraic Groups
Irina D. Suprunenko, Alexandre E. Zalesski
ACS
2008
13 years 9 months ago
Group Corings
We introduce group corings, and study functors between categories of comodules over group corings, and the relationship to graded modules over graded rings. Galois group corings ar...
Stefaan Caenepeel, K. Janssen, S. H. Wang
LICS
2000
IEEE
14 years 1 months ago
Computational Complexity of Some Problems Involving Congruences on Algebras
We prove that several problems concerning congruences on algebras are complete for nondeterministic log-space. These problems are: determining the congruence on a given algebra gen...
Clifford Bergman, Giora Slutzki