154 search results - page 1 / 31 » Near Best Tree Approximation |
ADCM
2002
13 years 5 months ago
2002
WADS
2007
Springer
14 years 4 days ago
2007
Springer
We present a polynomial-time approximation scheme (PTAS) for the Steiner tree problem with polygonal obstacles in the plane with running time O(n log2 n), where n denotes the numb...
APPROX
2005
Springer
13 years 11 months ago
2005
Springer
Abstract. We consider the problem of fitting an n × n distance matrix M by a tree metric T. We give a factor O(min{n1/p , (k log n)1/p }) approximation algorithm for finding the...
LCN
1999
IEEE
13 years 10 months ago
1999
IEEE
This paper presents the new Shortest Best Path Tree (SBPT) algorithm for multicast trees. The SBPT algorithm establishes and maintains dynamic multicast trees which maximize the b...
STOC
2012
ACM
11 years 8 months ago
2012
ACM
The Chow parameters of a Boolean function f : {−1, 1}n → {−1, 1} are its n + 1 degree-0 and degree-1 Fourier coefficients. It has been known since 1961 [Cho61, Tan61] that ...