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19 papers · 1 filter
Random Context and Semi-Conditional Insertion-Deletion Systems
Sergiu Ivanov, Sergey Verlan
In this article we introduce the operations of insertion and deletion working in a random-context and semi-conditional manner. We show that the conditional use of rules strictly in…
Source coding with escort distributions and Renyi entropy bounds
J. -F. Bercher
We discuss the interest of escort distributions and Rényi entropy in the context of source coding. We first recall a source coding theorem by Campbell relating a generalized measur…
Algorithms for Combinatorial Systems: Well-Founded Systems and Newton Iterations
Carine Pivoteau, Bruno Salvy, Michele Soria
We consider systems of recursively defined combinatorial structures. We give algorithms checking that these systems are well founded, computing generating series and providing nume…
Global regularity for the supercritical dissipative quasi-geostrophic equation with large dispersive forcing
M. Cannone, C. Miao, L. Xue
We consider the 2D quasi-geostrophic equation with supercritical dissipation and dispersive forcing in the whole space. When the dispersive amplitude parameter is large enough, we…
Piecewise linear car-following modeling
Nadir Farhi
We present a traffic model that extends the linear car-following model as well as the min-plus traffic model (a model based on the min-plus algebra). A discrete-time car-dynamics d…
Bergman completeness is not a quasi-conformal invariant
Xu Wang
We show that Bergman completeness is not a quasi-conformal invariant for general Riemann surfaces.