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le (1h15m43s)

Quantum Turing Test

The research community has made spectacular progress in building the magical quantum machines, developing new applications, designing security platforms up until the current state where the verification question is hunting us down. The required experiments are not beyond our reach and have been implemented, even in a basic optical setting, but these are quantum experiments simulating quantum theory. So even if we assume the correctness of quantum theory, we are soon reaching to the domain that we are not able to verify the correctness of experimental ...
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Conférences

le (40m5s)

Jean-Pierre Nadal: Modeling urban social dynamics



Premier atelier de l'ERC « Reaction-Diffusion Equations, Propagations and Modelling » Journées d'étude organisées par Henri Berestycki et Jean-Michel Roquejoffre EHESS, 24-25 septembre 2013 Jean-Pierre Nadal Modeling urban social dynamics I will present models recently introduced for the modeling of social dynamics in urban context: social segregation, diffusion of criminality. In both cases, individual decisions (such as, respectively, to buy an appartment at a particular location, to commit a crime), may strongly depend on the ...
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Conférences

le (1h1m11s)

Xavier Cabré : Nonlinear elliptic and Fisher-KPP equations with fractional diffusion

Premier atelier de l'ERC « Reaction-Diffusion Equations, Propagations and Modelling »  Journées d'étude organisées par Henri Berestycki et Jean-Michel Roquejoffre  EHESS, 24-25 septembre 2013Xavier Cabré 2 (ICREA and UPC, Barcelona) Nonlinear elliptic and Fisher-KPP equations with fractional diffusion I will first describe the basic ideas concerning fractional Laplacians, as well as the essential tools to treat nonlinear equations involving   these operators. I will then present recent results on fractional   semilinear elliptic equations (mainly of Allen-Cahn type) and on front propagation for fractional Fisher-KPP type equations.
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