Results 31 to 40 of about 269 (65)

Some bounds for the relative generalized Hamming weights of some evaluation codes

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2016
In this paper we find some bounds for the relative generalized Hamming weights of some codes parameterized by a set of monomials of the same degree.
Sarabia Manuel González
doaj   +1 more source

Affine cartesian codes

open access: yes, 2012
We compute the basic parameters (dimension, length, minimum distance) of affine evaluation codes defined on a cartesian product of finite sets. Given a sequence of positive integers, we construct an evaluation code, over a degenerate torus, with ...
Lopez, Hiram H.   +2 more
core   +1 more source

Further Results of the Cryptographic Properties on the Butterfly Structures

open access: yes, 2016
Recently, a new structure called butterfly introduced by Perrin et at. is attractive for that it has very good cryptographic properties: the differential uniformity is at most equal to 4 and algebraic degree is also very high when exponent $e=3$.
Feng, Xiutao, Fu, Shihui
core   +1 more source

Vanishing Ideals Over Odd Cycles

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2019
Let K be a finite field. Let X* be a subset of the a ne space Kn, which is parameterized by odd cycles. In this paper we give an explicit Gröbner basis for the vanishing ideal, I(X*), of X*.
Uribe-Paczka M. Eduardo   +2 more
doaj   +1 more source

A Generic Approach to Searching for Jacobians

open access: yes, 2007
We consider the problem of finding cryptographically suitable Jacobians. By applying a probabilistic generic algorithm to compute the zeta functions of low genus curves drawn from an arbitrary family, we can search for Jacobians containing a large ...
Sutherland, Andrew V.
core   +3 more sources

Toric Codes and Lattice Ideals

open access: yes, 2018
Let $X$ be a complete simplicial toric variety over a finite field $\mathbb{F}_q$ with homogeneous coordinate ring $S=\mathbb{F}_q[x_1,\dots,x_r]$ and split torus $T_X\cong (\mathbb{F}^*_q)^n$.
Şahin, Mesut
core   +1 more source

The Rabin cryptosystem revisited [PDF]

open access: yes, 2013
The Rabin public-key cryptosystem is revisited with a focus on the problem of identifying the encrypted message unambiguously for any pair of primes.
Elia, Michele   +2 more
core  

On the lattice Hadwiger number of superballs and some other bodies

open access: yes, 2019
We show that the lattice Hadwiger number of superballs is exponential in the dimension.
Vlăduţ, Serge
core  

Codes from Jacobian surfaces

open access: yes, 2015
This paper is concerned with some Algebraic Geometry codes on Jacobians of genus 2 curves. We derive a lower bound for the minimum distance of these codes from an upper "Weil type" bound for the number of rational points on irreducible (possibly singular
Haloui, Safia
core  

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