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6 papers · 1 filter
Darboux transforms and spectral curves of Hamiltonian stationary Lagrangian tori
K. Leschke, P. Romon
The multiplier spectral curve of a conformal torus in the 4-sphere is essentially, see arXiv:0712.2311, given by all Darboux transforms of the conformal torus. In the particular ca…
On some entropy functionals derived from Rényi information divergence
Jean-François Bercher
We consider the maximum entropy problems associated with Rényi -entropy, subject to two kinds of constraints on expected values. The constraints considered are a constraint on t…
Observations of CO in the eastern filaments of NGC 1275
P. Salomé, Y. Revaz, F. Combes +4
We recently found extended CO(2-1) emission from cold molecular gas embedded in the network of Halpha filaments surrounding the galaxy NGC 1275 (Salome et al. 2006). We now present…
A compact topology for sand automata
Alberto Dennunzio, Pierre Guillon, Benoît Masson
In this paper, we exhibit a strong relation between the sand automata configuration space and the cellular automata configuration space. This relation induces a compact topology fo…
Understanding maximal repetitions in strings
Maxime Crochemore, Lucian Ilie
The cornerstone of any algorithm computing all repetitions in a string of length n in O(n) time is the fact that the number of runs (or maximal repetitions) is O(n). We give a simp…
Jack polynomials and free cumulants
Michel Lassalle
We study the coefficients in the expansion of Jack polynomials in terms of power sums. We express them as polynomials in the free cumulants of the transition measure of an anisotro…