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COMBINATORICA
2011
12 years 4 months ago
A local criterion for Tverberg graphs
The topological Tverberg theorem states that for any prime power q and continuous map from a (d + 1)(q − 1)-simplex to Rd , there are q disjoint faces Fi of the simplex whose im...
Alexander Engström
APLAS
2011
ACM
12 years 4 months ago
Constructing List Homomorphisms from Proofs
The well-known third list homomorphism theorem states that if a function h is both an instance of foldr and foldl, it is a list homomorphism. Plenty of previous works devoted to co...
Yun-Yan Chi, Shin-Cheng Mu
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...