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CSR
2008
Springer
13 years 6 months ago
2008
Springer
Versus the customary preconditioners, our weakly random ones are generated more readily and for a much larger class of input matrices. Furthermore our preconditioners have a wider...
INFOCOM
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract—Routing in wireless networks has been heavily studied in the last decade and numerous routing protocols were proposed in literature. The packets usually follow the short...
CSR
2009
Springer
13 years 6 months ago
2009
Springer
We study the approximability of the maximum solution problem. This problem is an optimisation variant of the constraint satisfaction problem and it captures a wide range of interes...
CSR
2008
Springer
13 years 6 months ago
2008
Springer
A function f of a graph is called a complete graph invariant if two given graphs G and H are isomorphic exactly when f(G) = f(H). If additionally, f(G) is a graph isomorphic to G, ...
CSR
2008
Springer
13 years 6 months ago
2008
Springer
Abstract. While visibly pushdown languages properly generalise regular languages and are properly contained in deterministic context-free languages, the complexity of their members...