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CSCLP
2007
Springer
14 years 4 months ago
Quasi-Linear-Time Algorithms by Generalisation of Union-Find in CHR
Abstract. The union-find algorithm can be seen as solving simple equations between variables or constants. With a few lines of code change, we generalise its implementation in CHR...
Thom W. Frühwirth
FPGA
2007
ACM
163views FPGA» more  FPGA 2007»
14 years 4 months ago
Improved SAT-based Boolean matching using implicants for LUT-based FPGAs
Boolean matching (BM) is a widely used technique in FPGA resynthesis and architecture evaluation. In this paper we present several improvements to the recently proposed SAT-based ...
Jason Cong, Kirill Minkovich
COCO
2005
Springer
123views Algorithms» more  COCO 2005»
14 years 3 months ago
If NP Languages are Hard on the Worst-Case Then It is Easy to Find Their Hard Instances
We prove that if NP ⊆ BPP, i.e., if SAT is worst-case hard, then for every probabilistic polynomial-time algorithm trying to decide SAT, there exists some polynomially samplable ...
Dan Gutfreund, Ronen Shaltiel, Amnon Ta-Shma
CC
2007
Springer
121views System Software» more  CC 2007»
13 years 9 months ago
If NP Languages are Hard on the Worst-Case, Then it is Easy to Find Their Hard Instances
We prove that if NP ⊆ BPP, i.e., if SAT is worst-case hard, then for every probabilistic polynomial-time algorithm trying to decide SAT, there exists some polynomially samplable ...
Dan Gutfreund, Ronen Shaltiel, Amnon Ta-Shma
INDOCRYPT
2010
Springer
13 years 7 months ago
Algebraic, AIDA/Cube and Side Channel Analysis of KATAN Family of Block Ciphers
Abstract. This paper presents the first results on AIDA/cube, algebraic and sidechannel attacks on variable number of rounds of all members of the KATAN family of block ciphers. Ou...
Gregory V. Bard, Nicolas Courtois, Jorge Nakahara,...