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Nonexistence of almost Moore digraphs of diameter four

- Josep Conde Colom, Joan Gimbert Quintilla, Josep González i Rovira, J. M. M. Biosca, Ramiro Moreno Chiral
- Mathematics
- 31 March 2013

Regular digraphs of degree d > 1, diameter k > 1 and order N(d; k) = d+ +dk
will be called almost Moore (d; k)-digraphs. So far, the problem of their existence
has only been solved when d = 2; 3 or… Expand

Algorithms and cryptographic protocols using elliptic curves

- J. M. M. Biosca, Ramiro Moreno Chiral, Jordi Pujolas Boix, Magda Valls Marsal
- Mathematics
- 2007

En els darrers anys, la criptografia amb corbes el.liptiques ha adquirit una importancia creixent, fins a arribar a formar part en la actualitat de diferents estandards industrials. Tot i que s’han… Expand

An Elliptic Curve Based Homomorphic Remote Voting System

- M. À. C. Abelló, V. Meseguer, J. M. M. Biosca, Francesc Sebé Feixas, Javier Valera Martín
- Mathematics
- 1 September 2014

A remote voting system allows participants to cast their ballots through the Internet. Remote voting systems based on the use of homomorphic public key cryptography have proven to be a good option… Expand

Volcanoes of l-isogenies of elliptic curves over finite fields: the case l=3

- J. M. M. Biosca, Daniela Renedo, Juan Tena Ayuso, Rosana Tomàs Cuñat, Magda Valls Marsal
- Mathematics
- 2007

This paper is devoted to the study of the volcanoes of l-isogenies of elliptic curves over a finite field, focusing on their height as well as on the location of curves across its different levels.… Expand

A maple/matlab toolbox for computer numbers for cuspidal plane curves of p3

- J. Borges, J. M. M. Biosca
- Mathematics
- 2000

The characteristic numbers of the variety of P3

- Xavier Hernández, J. M. M. Biosca, S. X. Descamps
- Mathematics
- 2005

In this note we obtain, phrased in present day geometric and computational frameworks,
the characteristic numbers of the family Unod of non–degenerate nodal plane
cubics in P3, first obtained by… Expand

Yet Another Meyer-Müller Like Elliptic Curve Cryptosystem

- J. M. M. Biosca, Ramiro Moreno Chiral, Daniela Renedo, Juan Tena Ayuso, Magda Valls Marsal
- Mathematics
- 2004

Improvements of Goldwasser-Kilian primality test with elliptic curves y2= x(x-1) (x-)

- Daniela Renedo, Magda Valls Marsal, Ramiro Moreno Chiral, Juan Tena Ayuso, J. M. M. Biosca
- Mathematics
- 2001

Design and implementation of an Electronic Voting system based on homomorphic tallying of votes

On the existence of almost Moore digraphs of diamenter three

- J. Conde, Joan Gimbert Quintilla, J. M. M. Biosca, Ramiro Moreno Chiral, Magda Valls Marsal
- Mathematics
- 2006