Dynamique spectrale du processus de Jacobi libre
Nizar Demni
IRMAR Rennes
https://www.researchgate.net/profile/Nizar-Demni
Date(s) : 09/03/2015 iCal
10h00 - 11h00
Spectral dynamics of the free Jacobi process
I will start with the introduction of the real Jacobi semi-group and its link with the Laplacian on Euclidean spheres. Then, I will speak about the process of matrix Jacobi and in particular of its own values which form a determining process. Finally, I will give recent results on the asymptotics of the observables of the matrix process when the size of the latter becomes very large: these are the moments of the spectral measurement of a bounded positive autoadjoint operator: the free Jacobi process. These results go through nonlinear PDEs that we study using the characteristics method.
https://arxiv.org/abs/1204.6227
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