1346 search results - page 28 / 270 » On the number of rectangular partitions |
MST
2006
13 years 7 months ago
2006
We prove that the exact versions of the domatic number problem are complete for the levels of the boolean hierarchy over NP. The domatic number problem, which arises in the area of...
CORR
2010
Springer
13 years 2 months ago
2010
Springer
This paper addresses the following questions for a given tree T and integer d 2: (1) What is the minimum number of degree-d subtrees that partition E(T)? (2) What is the minimum n...
DM
2000
13 years 7 months ago
2000
Erdos proved that there are graphs with arbitrarily large girth and chromatic number. We study the extension of this for generalized chromatic numbers. Generalized graph coloring d...
FC
2007
Springer
13 years 11 months ago
2007
Springer
A new certificate revocation system is presented. The basic idea is to divide the certificate space into several partitions, the number of partitions being dependent on the PKI en...
COMBINATORICS
2006
13 years 7 months ago
2006
We find the number of partitions of n whose BG-rank is j, in terms of pp(n), the number of pairs of partitions whose total number of cells is n, giving both bijective and generati...