publications

Damien M VienneTatiana Giraud 1 Olivier C Martin 2, 3, 4, 5 Bioinformatics, Oxford University Press (OUP), 2007, 23 (23), pp.3119–3124 MOTIVATION: Phylogenetic trees are omnipresent in evolutionary biology and the comparison of trees plays a central role there. Tree congruence statistics are based on the null hypothesis that two given trees are not more […]

Raoul Santachiara 1, 2, Alberto Rosso 3, Werner Krauth 4 Journal of Statistical Mechanics: Theory and Experiment (2007) P02009 We study the influence of boundary conditions on self-affine random functions u(t) in the interval t/L \in [0,1], with independent Gaussian Fourier modes of variance ~ 1/q^{\alpha}. We consider the probability distribution of the mean square width of u(t) taken over the whole

Ioana Bena 1, Satya N. Majumdar 2 Physical Review E: Statistical, Nonlinear, and Soft Matter Physics 75 (2007) 051103 We study the extremal dynamics emerging in an out-of-equilibrium one-dimensional Jepsen gas of $(N+1)$ hard-point particles. The particles undergo binary elastic collisions, but move ballistically in-between collisions. The gas is initally uniformly distributed in a box $[-L,0]$ with the ‘leader’

Luigi Cantini 1 Journal of statistical mechanics-theory and experiment (2007) P08012 In this paper we study the Rotor Model of Martins and Nienhuis. After introducing spectral parameters, a combined use of integrability, polynomiality of the ground state wave function and a mapping into the fully-packed O(1)-model allows us to determine the sum rule and a family of

Salete Pianegonda 1, 2, Emmanuel Trizac 1, Yan Levin 2 Journal of Chemical Physics 126 (2007) 014702 Starting from a mean-field description for a dispersion of highly charged spherical or (parallel) rod-like colloids, we introduce the simplification of a homogeneous background to include the contribution of other polyions to the static field created by a tagged polyion. The charge of this background

Jack Raymond 1, Andrea Sportiello 2, Lenka Zdeborová 3 Physical Review E: Statistical, Nonlinear, and Soft Matter Physics 76 (2007) 011101 We study the typical case properties of the 1-in-3 satisfiability problem, the boolean satisfaction problem where a clause is satisfied by exactly one literal, in an enlarged random ensemble parametrized by average connectivity and probability of negation of a variable

Michael J. Kearney 1, Satya N. Majumdar 2, Richard J. Martin 3 Journal of Physics A Mathematical and Theoretical 40 (2007) F863 An exact expression for the distribution of the area swept out by a drifted Brownian motion till its first-passage time is derived. A study of the asymptotic behaviour confirms earlier conjectures and clarifies their range of validity. The analysis

Jacobsen, J.L. Journal of Physics A 40(2007) 1439-1446

Shamik Gupta 1, Satya N. Majumdar 2, Claude Godrèche 3, Mustansir Barma 1 Physical Review E: Statistical, Nonlinear, and Soft Matter Physics 76 (2007) 021112 We study finite size effects in the variance of the displacement of a tagged particle in the stationary state of the Asymmetric Simple Exclusion Process (ASEP) on a ring of size $L$. The process involves hard core particles

T. Paul 1, P. Schlagheck 2, P. Leboeuf 1, N. Pavloff 1 Physical Review Letters 98 (2007) 210602 We consider the motion of a quasi one dimensional beam of Bose-Einstein condensed particles in a disordered region of finite extent. Interaction effects lead to the appearance of two distinct regions of stationary flow. One is subsonic and corresponds to superfluid motion. The other one