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- Centre National de la Recherche ScientifiqueFR48 papers
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4 papers · 1 filter
Symmetry reductions of a particular set of equations of associativity in twodimensional topological field theory
Robert Conte, Maria Luz Gandarias
The WDVV equations of associativity arising in twodimensional topological field theory can be represented, in the simplest nontrivial case, by a single third order equation of the…
Nonstable -theory for graph algebras
P. Ara, M. A. Moreno, E. Pardo
We compute the monoid of isomorphism classes of finitely generated projective modules over certain graph algebras , and we show that this monoid satisfies the r…
Exact Solutions of Integrable 2D Contour Dynamics
Luis Martinez Alonso, Elena Medina
A class of exact solutions of the dispersionless Toda hierarchy constrained by a string equation is obtained. These solutions represent deformations of analytic curves with a finit…
Solutions of the Dispersionless Toda Hierarchy Constrained by String Equations
Luis Martinez Alonso, Elena Medina
Solutions of the Riemann-Hilbert problem implementing the twistorial structure of the dispersionless Toda (dToda) hierarchy are obtained. Two types of string equations are consider…