371 search results - page 22 / 75 » Expanders In Group Algebras |
DM
2010
13 years 9 months ago
2010
A generalization of the Davenport constant is investigated. For a finite abelian group G and a positive integer k, let Dk(G) denote the smallest such that each sequence over G of l...
KDD
2009
ACM
14 years 9 months ago
2009
ACM
Online forums represent one type of social media that is particularly rich for studying human behavior in information seeking and diffusing. The way users join communities is a re...
FCT
2007
Springer
14 years 3 months ago
2007
Springer
We present quantum query complexity bounds for testing algebraic properties. For a set S and a binary operation on S, we consider the decision problem whether S is a semigroup or ...
DATE
2008
IEEE
14 years 3 months ago
2008
IEEE
Algebraic torus-based cryptosystems are an alternative for Public-Key Cryptography (PKC). It maintains the security of a larger group while the actual computations are performed i...
ISSAC
2007
Springer
14 years 2 months ago
2007
Springer
This paper deals with the computation of the rank and some integer Smith forms of a series of sparse matrices arising in algebraic K-theory. The number of non zero entries in the ...