Concept

Résidu quadratique

Publications associées (60)

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Bipartite modular multiplication method

Marcelo Kaihara

This paper proposes a new modular multiplication method that uses Montgomery residues defined by a modulus M and a Montgomery radix R whose value is less than the modulus M. This condition enables the operand multiplier to be split into two parts that can ...

2008

Construction of balanced sports schedules using partitions into subleagues

Dominique de Werra, Tinaz Ekim

Direct constructions for balanced tournaments known so far solve problems with 2n teams if 2n mod 3 not equal 1 or 2n = 2(p), p >= 3 or n is odd. Our construction uses an arbitrary partition of the league into subleagues. It solves more than half of the mi ...

2008

A New Quadratic, Three-Level, DC/DC Converter Suitable for Fuel Cell Applications

Alfred Rufer

This paper presents a new non-insulated quadratic three-level DC-DC boost converter. The quadratic feature is interesting for application where a wide voltage range is necessary. Since it is a current-source converter, its application in a fuel cell energy ...

2007

Regularized interpolation for noisy data

Michaël Unser, Philippe Thévenaz, Sathish Ramani

Interpolation is a vital tool in biomedical signal processing. Although there exists a substantial literature dedicated to noise-free conditions, much less is known in the presence of noise. Here, we document the breakdown of standard interpolation for noi ...

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Regularized Interpolation for Noisy Data

Michaël Unser, Philippe Thévenaz, Sathish Ramani

IEEE2007

Model Structure of Human APOBEC3G

Didier Trono, Bastien Mangeat, Amalio Telenti, Olivier Michielin

BACKGROUND: APOBEC3G (apolipoprotein B mRNA-editing enzyme, catalytic polypeptide-like 3G) has antiretroviral activity associated with the hypermutation of viral DNA through cytosine deamination. APOBEC3G has two cytosine deaminase (CDA) domains; the catal ...

Public Library of Science2007

Optimization of the MOVA Undeniable Signature Scheme

Serge Vaudenay, Jean Monnerat

This article presents optimization results on the MOVA undeniable signature scheme presented last year by Monnerat and Vaudenay at PKC'04 as well as its generalization proposed at Asiacrypt'04 which is based on a secret group homomorphism. The original MOV ...

2005

Sparse decomposition over multi-component redundant dictionaries

Pierre Vandergheynst, Lorenzo Granai

In many applications - such as compression, de-noising and source separation - a good and efficient signal representation is characterized by sparsity. This means that many coefficients are close to zero, while only few ones have a non-negligible amplitude ...

IEEE2004

Stability analysis of discrete-time switched systems through Lyapunov functions with nonminimal state

Giancarlo Ferrari Trecate

In this paper we investigate stability analysis for discrete-time switched systems. We first consider quadratic Lyapunov functions defined over a nonminimal state encompassing the past history of the state trajectory over a finite horizon. This allows us t ...

2003

Efficient subgroup exponentiation in quadratic and sixth degree extensions

Arjen Lenstra, Martijn Stam

This paper describes several speedups for computation in the order p + 1 subgroup of F*(p2) and the order p2 - p + 1 subgroup of F*(p6). These results are in a way complementary to LUC and XTR, where computations in these g ...

2002