145 search results - page 12 / 29 » On finding approximate optimal paths in weighted regions |
INFOCOM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract— Sum rate maximization by power control is an important, challenging, and extensively studied problem in wireless networks. It is a nonconvex optimization problem and ac...
IPL
2002
13 years 7 months ago
2002
This paper deals with the problem of constructing a Hamiltonian cycle of optimal weight, called TSP. We show that TSP is 2/3-differential approximable and can not be differential a...
DISOPT
2010
13 years 7 months ago
2010
While the complexity of min-max and min-max regret versions of most classical combinatorial optimization problems has been thoroughly investigated, there are very few studies abou...
STOC
2007
ACM
14 years 7 months ago
2007
ACM
In the MINIMUM BOUNDED DEGREE SPANNING TREE problem, we are given an undirected graph with a degree upper bound Bv on each vertex v, and the task is to find a spanning tree of min...
NETWORKS
2002
13 years 7 months ago
2002
Consider a requirement graph whose vertices represent customers and an edge represents the need to route a unit of flow between its end vertices along a single path. All of these ...