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(2017.06.05 14:00pm N202)Changgui Zhang:On the summability of formal solutions of singular PDEs

Time:2017-06-01  Source:KLMM

Title                 On the summability of formal solutions of singular PDEs

Speaker          Changgui Zhang  (Université de Sciences et Technologies de Lille, France)

Time&Venue 2017.06.05  14:00pm  N202

Abstract:             Via the Stokes phenomenon, the Borel-Laplace summation method plays a central role for the analytic description of the Galois differential group associated with a singular linear ODE. In the talk, we deal with a family of totally characteristic type PDEs, establishing the summability of their formal solutions in suitable Gevrey spaces. This is a joint work with Chen H. and Luo Z..

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