51 search results - page 2 / 11 » Some Results on Permutation Group Isomorphism and Categorici... |
DM
2000
13 years 5 months ago
2000
This paper discusses investigations of sequences of natural numbers which count the orbits of an in nite permutation group on n-sets or n-tuples. It surveys known results on the g...
ISSAC
2004
Springer
13 years 11 months ago
2004
Springer
We describe an algorithm for finding a canonical image of a set of points under the action of a permutation group. Specifically if we order images by sorting them and ordering t...
CIE
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. We present transformations of linearly ordered sets into ordered abelian groups and ordered fields. We study effective properties of the transformations. In particular, w...
JOC
2007
13 years 6 months ago
2007
In the security chain the weakest link is definitely the human one: human beings cannot remember long secrets and often resort to rather insecure solutions to keep track of their ...
COCO
1997
Springer
13 years 10 months ago
1997
Springer
In this paper we design a nonadaptive NC checker for permutation group intersection, sharpening a result from Blum and Kannan 3]. This is a consequence of two results. First we sh...