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STOC
2007
ACM
239views Algorithms» more  STOC 2007»
16 years 10 days ago
Approximating minimum bounded degree spanning trees to within one of optimal
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...
Mohit Singh, Lap Chi Lau
STOC
2007
ACM
181views Algorithms» more  STOC 2007»
16 years 10 days ago
How to rank with few errors
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...
Claire Kenyon-Mathieu, Warren Schudy
STOC
2007
ACM
179views Algorithms» more  STOC 2007»
16 years 10 days ago
Towards 3-query locally decodable codes of subexponential length
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...
Sergey Yekhanin
STOC
2007
ACM
169views Algorithms» more  STOC 2007»
16 years 10 days ago
Proportional response dynamics leads to market equilibrium
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...
Fang Wu, Li Zhang
Algorithms
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