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STOC
2007
ACM
15 years 10 months ago
2007
ACM
A classic result due to H?astad established that for every constant > 0, given an overdetermined system of linear equations over a finite field Fq where each equation depends o...
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STOC
2007
ACM
15 years 10 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...
STOC
2007
ACM
15 years 10 months ago
2007
ACM
Compressed Sensing is a new paradigm for acquiring the compressible signals that arise in many applications. These signals can be approximated using an amount of information much ...
STOC
2007
ACM
15 years 10 months ago
2007
ACM
Semidefinite programs (SDP) have been used in many recent approximation algorithms. We develop a general primal-dual approach to solve SDPs using a generalization of the well-know...
STOC
2010
ACM
15 years 7 months ago
2010
ACM
We consider the problem of maintaining a large matching or a small vertex cover in a dynamically changing graph. Each update to the graph is either an edge deletion or an edge ins...