492 search results - page 99 / 99 » Perfect Matching Preservers |
TC
2010
13 years 14 days ago
2010
Tweakable enciphering schemes are length preserving block cipher modes of operation that provide a strong pseudo-random permutation. It has been suggested that these schemes can b...
ICALP
2011
Springer
12 years 9 months ago
2011
Springer
We present an O( √ n log n)-approximation algorithm for the problem of finding the sparsest spanner of a given directed graph G on n vertices. A spanner of a graph is a sparse ...