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ASIACRYPT
2008
Springer
14 years 3 days ago
Sufficient Conditions for Intractability over Black-Box Groups: Generic Lower Bounds for Generalized DL and DH Problems
Abstract. The generic (aka. black-box) group model is a valuable methodology for analyzing the computational hardness of number-theoretic problems used in cryptography. Since the p...
Andy Rupp, Gregor Leander, Endre Bangerter, Alexan...
ICCV
2001
IEEE
15 years 1 days ago
Fast Algorithm for Nearest Neighbor Search Based on a Lower Bound Tree
Yong-Sheng Chen, Yi-Ping Hung, Chiou-Shann Fuh
ICIP
2004
IEEE
14 years 11 months ago
Fast alignment of digital images using a lower bound on an entropy metric
We propose a registration algorithm based on successively refined quantization and an alignment metric derived from a minimal spanning tree entropy estimate. The metric favors edg...
Mert R. Sabuncu, Peter J. Ramadge
STOC
2002
ACM
80views Algorithms» more  STOC 2002»
14 years 10 months ago
Resolution lower bounds for the weak pigeonhole principle
We prove that any Resolution proof for the weak pigeon hole principle, with n holes and any number of pigeons, is of length (2n ), (for some global constant > 0).
Ran Raz