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SIAMCOMP
2011
12 years 7 months ago
A Quantitative Version of the Gibbard-Satterthwaite Theorem for Three Alternatives
The Gibbard-Satterthwaite theorem states that every non-dictatorial election rule among at least three alternatives can be strategically manipulated. We prove a quantitative versi...
Ehud Friedgut, Gil Kalai, Nathan Keller, Noam Nisa...
SIGECOM
2008
ACM
103views ECommerce» more  SIGECOM 2008»
13 years 4 months ago
A sufficient condition for voting rules to be frequently manipulable
The Gibbard-Satterthwaite Theorem states that (in unrestricted settings) any reasonable voting rule is manipulable. Recently, a quantitative version of this theorem was proved by ...
Lirong Xia, Vincent Conitzer
CORR
2010
Springer
107views Education» more  CORR 2010»
13 years 4 months ago
A tight quantitative version of Arrow's impossibility theorem
The well-known Impossibility Theorem of Arrow asserts that any Generalized Social Welfare Function (GSWF) with at least three alternatives, which satisfies Independence of Irrelev...
Nathan Keller
JSC
2007
80views more  JSC 2007»
13 years 4 months ago
Improved dense multivariate polynomial factorization algorithms
We present new deterministic and probabilistic algorithms that reduce the factorization of dense polynomials from several to one variable. The deterministic algorithm runs in sub-...
Grégoire Lecerf
ICS
2009
Tsinghua U.
13 years 11 months ago
Combining thread level speculation helper threads and runahead execution
With the current trend toward multicore architectures, improved execution performance can no longer be obtained via traditional single-thread instruction level parallelism (ILP), ...
Polychronis Xekalakis, Nikolas Ioannou, Marcelo Ci...