CORR
2010
Springer
13 years 11 months ago
2010
Springer
: We initiate the study of property testing of submodularity on the boolean hypercube. Submodular functions come up in a variety of applications in combinatorial optimization. For ...
CORR
2010
Springer
14 years 1 days ago
2010
Springer
We show that it is Unique Games-hard to approximate the maximum of a submodular function to within a factor 0.695, and that it is Unique Games-hard to approximate the maximum of a ...
APPROX
2009
Springer
14 years 7 months ago
2009
Springer
Submodular-function maximization is a central problem in combinatorial optimization, generalizing many important NP-hard problems including Max Cut in digraphs, graphs and hypergr...