174 search results - page 18 / 35 » Permutation Groups in NC |
JCT
2010
13 years 6 months ago
2010
In the symmetric group on a set of size 2n, let P2n denote the conjugacy class of involutions with no fixed points (equivalently, we refer to these as “pairings”, since each ...
ISSAC
2007
Springer
14 years 1 months ago
2007
Springer
Through the use of a new disk-based method for enumerating very large orbits, condensation for orbits with tens of billions of elements can be performed. The algorithm is novel in...
FOCS
1992
IEEE
13 years 11 months ago
1992
IEEE
We announce methods for e cient management of solvable matrix groups over nite elds. We show that solvability and nilpotence can be tested in polynomial-time. Such e ciency seems ...
COMBINATORICS
2000
13 years 7 months ago
2000
Given an integer n 2, and a non-negative integer k, consider all affine hyperplanes in Rn of the form xi = xj +r for i, j [n] and a non-negative integer r k. Let n,k be the pos...
SODA
2000
ACM
13 years 8 months ago
2000
ACM
We present a model that enables us to analyze the running time of an algorithm on a computer with a memory hierarchy with limited associativity, in terms of various cache parameter...