167
click to vote
STOC
16 years 2 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...
138
click to vote
STOC
16 years 2 months ago
2007 ACM
We present a polynomial time approximation scheme (PTAS) for the minimum feedback arc set problem on tournaments. A simple weighted generalization gives a PTAS for KemenyYoung ran...
115
click to vote
STOC
16 years 2 months ago
2007 ACM
A q-query Locally Decodable Code (LDC) encodes an n-bit message x as an N-bit codeword C(x), such that one can probabilistically recover any bit xi of the message by querying only...
138
click to vote
STOC
16 years 2 months ago
2007 ACM 
One of the main reasons of the recent success of peer to peer (P2P) file sharing systems such as BitTorrent is its built-in tit-for-tat mechanism. In this paper, we model the band...
STOC
16 years 2 months ago
2007 ACM |
Algorithms