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DM
2010
120views more  DM 2010»
13 years 4 months ago
Collineations and dualities of partial geometries
In this paper, we first prove some general results on the number of fixed points of collineations of finite partial geometries, and on the number of absolute points of dualities o...
Beukje Temmermans, Joseph A. Thas, Hendrik Van Mal...
JCT
2006
75views more  JCT 2006»
13 years 4 months ago
New polytopes from products
We construct a new 2-parameter family Emn, m, n 3, of self-dual 2-simple and 2-simplicial 4-polytopes, with flexible geometric realisations. E44 is the 24-cell. For large m, n the...
Andreas Paffenholz
EUROCRYPT
2012
Springer
11 years 7 months ago
Fully Homomorphic Encryption with Polylog Overhead
We show that homomorphic evaluation of (wide enough) arithmetic circuits can be accomplished with only polylogarithmic overhead. Namely, we present a construction of fully homomorp...
Craig Gentry, Shai Halevi, Nigel P. Smart
DM
2006
128views more  DM 2006»
13 years 4 months ago
Non-trivial t-designs without repeated blocks exist for all t
A computer package is being developed at Bayreuth for the generation and investigation of discrete structures. The package is a C and C++ class library of powerful algorithms endow...
Luc Teirlinck