Showing that the location of the zeros of the partition function can be used to study phase
transitions, Yang and Lee initiated an ambitious and very fruitful approach. We give an …

… University of Surrey, Guildford, UK Jon M. Kleinberg … Fabio M. Marchese … JA Stewart-Cox,
NF Britton, M. Mogie …

… To various quotients of the Hecke algebra one can associate a representation given by the
(m/n) Perk~ Schultz quantum chain [22]. These are chains with (m+n)’" states invariant under …

We study analytically the emergence of spontaneous collective motion within large bidimensional
groups of self-propelled particles with noisy local interactions, a schematic model for …

… The configurations in the vicinity of c = m … The role of the two maxima m± is interchanged.
It is therefore … of a stable phase in a metastable background m(RR O) ÷ m+ as R ÷ ~. …

We study finite-size scaling of the roughness of signals in systems displaying Gaussian 1/f
power spectra. It is found that one of the extreme value distributions, the Fisher-Tippett-…

Considering a gas of self-propelled particles with binary interactions, we derive the hydrodynamic
equations governing the density and velocity fields from the microscopic dynamics, in …

Theoretical models of the Liesegang phenomena are studied and simple expressions for the
spacing coefficients characterizing the patterns are derived. The emphasis is on displaying …

We consider a new cellular automata rule for a synchronous random walk on a two-dimensional
square lattice, subject to an exclusion principle. It is found that the macroscopic …

… The magnetization m is related to the density c of C particles through m … (experiments in
long test tubes), ie, we shall assume that m and S depend only on a single spatial coordinate, m …