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SODA
2010
ACM
148views Algorithms» more  SODA 2010»
14 years 5 months ago
Limits on the Social Welfare of Maximal-In-Range Auction Mechanisms
Many commonly-used auction mechanisms are "maximal-in-range". We show that any maximalin-range mechanism for n bidders and m items cannot both approximate the social wel...
Dave Buchfuhrer, Chris Umans
SODA
2010
ACM
133views Algorithms» more  SODA 2010»
14 years 5 months ago
Testing additive integrality gaps
We consider the problem of testing whether the maximum additive integrality gap of a family of integer programs in standard form is bounded by a given constant. This can be viewed...
Friedrich Eisenbrand, Nicolai Hähnle, Dömötör ...
CCCG
2008
13 years 9 months ago
Polynomial irreducibility testing through Minkowski summand computation
In this paper, we address the problem of deciding absolute irreducibility of multivariate polynomials. Our work has been motivated by a recent work due to Gao et. al. [1, 2, 3] wh...
Deepanjan Kesh, Shashank K. Mehta
ISAAC
2005
Springer
98views Algorithms» more  ISAAC 2005»
14 years 1 months ago
Complexity of the Min-Max (Regret) Versions of Cut Problems
This paper investigates the complexity of the min-max and min-max regret versions of the s−t min cut and min cut problems. Even if the underlying problems are closely related and...
Hassene Aissi, Cristina Bazgan, Daniel Vanderpoote...
ALDT
2009
Springer
110views Algorithms» more  ALDT 2009»
14 years 2 months ago
Manipulating Tournaments in Cup and Round Robin Competitions
In sports competitions, teams can manipulate the result by, for instance, throwing games. We show that we can decide how to manipulate round robin and cup competitions, two of the ...
Tyrel Russell, Toby Walsh