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ICISC
2007
75views Cryptology» more  ICISC 2007»
13 years 8 months ago
Cryptanalysis of a Hash Function Proposed at ICISC 2006
A simple method for constructing collisions for Shpilrain’s polynomial-based hash function from ICISC 2006 is presented. The attack relies on elementary linear algebra and can be...
Willi Geiselmann, Rainer Steinwandt
ACMSE
2005
ACM
14 years 28 days ago
A metaprogramming approach to generating optimized code for algorithms in linear algebra
an extended abstract for a poster that presents a new approach that employs metaprogramming to generate optimized code for algorithms in Linear Algebra. Categories and Subject Des...
Najaf A. Shah, Anthony Skjellum
MOC
2002
82views more  MOC 2002»
13 years 7 months ago
Lie symmetries and differential Galois groups of linear equations
For a linear ordinary differential equation the Lie algebra of its infinitesimal Lie symmetries is compared with its differential Galois group. For this purpose an algebraic formul...
W. R. Oudshoorn, M. van der Put
COMBINATORICS
2007
85views more  COMBINATORICS 2007»
13 years 7 months ago
Eigenvectors and Reconstruction
In this paper, we study the simple eigenvectors of two hypomorphic matrices using linear algebra. We also give new proofs of results of Godsil and McKay.
Hongyu He
ORDER
2010
65views more  ORDER 2010»
13 years 5 months ago
Dualities and Dual Pairs in Heyting Algebras
Jan Foniok, Jaroslav Nesetril, Ales Pultr, Claude ...