5 search results - page 1 / 1 » Semifree actions of free groups |
AML
2007
13 years 4 months ago
2007
We study countable universes similar to a free action of a group G. It turns out that this is equivalent to the study of free semi-actions of G, with two universes being transforma...
CORR
2004
Springer
13 years 4 months ago
2004
Springer
Abstract. We investigate two associative products over the ring of symmetric functions related to the intransitive and Cartesian products of permutation groups. As an application, ...
JCT
2010
13 years 3 months ago
2010
Abstract. We present bijections between four classes of combinatorial objects. Two of them, the class of unlabeled (2 + 2)-free posets and a certain class of involutions (or chord ...
CSFW
2003
IEEE
13 years 10 months ago
2003
IEEE
A type confusion attack is one in which a principal accepts data of one type as data of another. Although it has been shown by Heather et al. that there are simple formatting conv...
HOTOS
1999
IEEE
13 years 9 months ago
1999
IEEE
Modern file systems associate the deletion of a file with the release of the storage associated with that file, and file writes with the irrevocable change of file contents. We pr...