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» Bispectrum on finite groups
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COMBINATORICS
1999
99views more  COMBINATORICS 1999»
13 years 8 months ago
Deformation of Chains via a Local Symmetric Group Action
A symmetric group action on the maximal chains in a finite, ranked poset is local if the adjacent transpositions act in such a way that (i, i + 1) sends each maximal chain either ...
Patricia Hersh
JCT
2000
111views more  JCT 2000»
13 years 8 months ago
Immanants and Finite Point Processes
Givena Hermitian,non-negativede nitekernelK and a character of the symmetric group on n letters, de ne the corresponding immanant function K x1;::: ;xn := P Qn i=1 Kxi;x i, where ...
Persi Diaconis, Steven N. Evans
CORR
2010
Springer
65views Education» more  CORR 2010»
13 years 9 months ago
Statistical properties of subgroups of free groups
The usual way to investigate the statistical properties of finitely generated subgroups of free groups, and of finite presentations of groups, is based on the so-called word-based ...
Frédérique Bassino, Armando Martino,...
ISSAC
1998
Springer
106views Mathematics» more  ISSAC 1998»
14 years 1 months ago
Computing Normal Subgroups
This note presents a new algorithm for the computation of the set of normal subgroups of a finite group. It is based on lifting via homomorphic images.
Alexander Hulpke
COMBINATORICS
2006
147views more  COMBINATORICS 2006»
13 years 9 months ago
A Survey on Packing and Covering Problems in the Hamming Permutation Space
Consider the symmetric group Sn equipped with the Hamming metric dH . Packing and covering problems in the finite metric space (Sn, dH ) are surveyed, including a combination of b...
Jörn Quistorff