36781 search results - page 336 / 7357 » Parameterizing by the Number of Numbers |
192
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CORR
2010
Springer
15 years 7 months ago
2010
Springer
We obtain improved upper bounds and new lower bounds on the chromatic number as a linear function of the clique number, for the intersection graphs (and their complements) of fini...
154
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DM
2008
15 years 7 months ago
2008
One proves that certain numbers occurring in a problem of paths enumeration, studied by Niederhausen in [7] (see also [10]), are top intersection numbers in the cohomology ring of...
214
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COMBINATORICS
2006
15 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...
146
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EOR
2006
15 years 7 months ago
2006
We consider a queueing system with c servers and a threshold type vacation policy. In this system, when a certain number d<c of servers become idle at a service completion inst...
201
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RML
2006
15 years 7 months ago
2006
Abstract. A topos version of Cantor's back and forth theorem is established and used to prove that the ordered structure of the rational numbers Q, < is homogeneous in any ...