57 search results - page 7 / 12 » Approximating Sparsest Cut in Graphs of Bounded Treewidth |
FOCM
2007
13 years 7 months ago
2007
We consider the regression problem and describe an algorithm approximating the regression function by estimators piecewise constant on the elements of an adaptive partition. The pa...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
ABSTRACT. A graphical realization of a linear code C consists of an assignment of the coordinates of C to the vertices of a graph, along with a specification of linear state spaces...
ICALP
2009
Springer
14 years 8 months ago
2009
Springer
We develop new structural results for apex-minor-free graphs and show their power by developing two new approximation algorithms. The first is an additive approximation for colorin...
STOC
2009
ACM
14 years 8 months ago
2009
ACM
We prove strong lower bounds on integrality gaps of Sherali?Adams relaxations for MAX CUT, Vertex Cover, Sparsest Cut and other problems. Our constructions show gaps for Sherali?A...
SIGECOM
2009
ACM
14 years 2 months ago
2009
ACM
The Target Set Selection problem proposed by Kempe, Kleinberg, and Tardos, gives a nice clean combinatorial formulation for many problems arising in economy, sociology, and medicin...