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FOCS
2003
IEEE
14 years 1 months ago
2003
IEEE
A directed multigraph is said to be d-regular if the indegree and outdegree of every vertex is exactly d. By Hall’s theorem one can represent such a multigraph as a combination ...
FSTTCS
2007
Springer
14 years 1 months ago
2007
Springer
We study several cost coloring problems, where we are given a graph and a cost function on the independent sets and are to find a coloring that minimizes the function costs of the...
APPROX
2005
Springer
14 years 1 months ago
2005
Springer
We study the approximability of 1-in-kSAT, the variant of Max kSAT where a clause is deemed satisfied when precisely one of its literals is satisfied. We also investigate differ...
COMPGEOM
2006
ACM
14 years 1 months ago
2006
ACM
We study the problem of covering a set of points or polyhedra in 3 with two axis-aligned boxes in order to minimize a function of the measures of the two boxes, such as the sum or...
EOR
2008
13 years 7 months ago
2008
Consider a problem of minimizing a separable, strictly convex, monotone and differentiable function on a convex polyhedron generated by a system of m linear inequalities. The probl...