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AAI
2010
94views more  AAI 2010»
14 years 11 months ago
Sequence-Indexed Linear-Time Temporal Logic: Proof System and Application
In this paper, we propose a proof system for reasoning on certain specifications of secure authentication systems. For this purpose, a new logic, sequence-indexed linear-time temp...
Ken Kaneiwa, Norihiro Kamide
STOC
2003
ACM
109views Algorithms» more  STOC 2003»
15 years 9 months ago
A new multilayered PCP and the hardness of hypergraph vertex cover
Given a k-uniform hypergraph, the Ek-Vertex-Cover problem is to find the smallest subset of vertices that intersects every hyperedge. We present a new multilayered PCP constructi...
Irit Dinur, Venkatesan Guruswami, Subhash Khot, Od...
COMPGEOM
1996
ACM
15 years 8 months ago
New Lower Bounds for Convex Hull Problems in Odd Dimensions
We show that in the worst case, (ndd=2e;1 +n logn) sidedness queries are required to determine whether the convex hull of n points in IRd is simplicial, or to determine the number ...
Jeff Erickson
STOC
2006
ACM
121views Algorithms» more  STOC 2006»
16 years 4 months ago
Narrow proofs may be spacious: separating space and width in resolution
The width of a resolution proof is the maximal number of literals in any clause of the proof. The space of a proof is the maximal number of clauses kept in memory simultaneously if...
Jakob Nordström
ASIACRYPT
2000
Springer
15 years 8 months ago
Commital Deniable Proofs and Electronic Campaign Finance
In a recent Stanford Law Review article, Ayres and Bulow [1] propose a radical anonymity-based solution to disrupt the “market” for monetary influence in political campaigns. ...
Matthew K. Franklin, Tomas Sander