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SPAA
2009
ACM
14 years 6 months ago
An optimal local approximation algorithm for max-min linear programs
In a max-min LP, the objective is to maximise subject to Ax 1, Cx 1, and x 0 for nonnegative matrices A and C. We present a local algorithm (constant-time distributed algorith...
Patrik Floréen, Joel Kaasinen, Petteri Kask...
CORR
2008
Springer
106views Education» more  CORR 2008»
13 years 5 months ago
Local approximation algorithms for a class of 0/1 max-min linear programs
Patrik Floréen, Marja Hassinen, Petteri Kas...
SODA
2001
ACM
188views Algorithms» more  SODA 2001»
13 years 6 months ago
Approximation algorithms for the 0-extension problem
In the 0-extension problem, we are given a weighted graph with some nodes marked as terminals and a semimetric on the set of terminals. Our goal is to assign the rest of the nodes ...
Gruia Calinescu, Howard J. Karloff, Yuval Rabani
SCL
2011
12 years 8 months ago
Regularity issues for the null-controllability of the linear 1-d heat equation
The fact that the heat equation is controllable to zero in any bounded domain of the euclidean space, any time T > 0 and from any open subset of the boundary is well known. On ...
Sorin Micu, Enrique Zuazua
CORR
2011
Springer
220views Education» more  CORR 2011»
13 years 13 days ago
On a linear programming approach to the discrete Willmore boundary value problem and generalizations
We consider the problem of finding (possibly non connected) discrete surfaces spanning a finite set of discrete boundary curves in the three-dimensional space and minimizing (glo...
Thomas Schoenemann, Simon Masnou, Daniel Cremers