Vũ Ngọc San

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mardi 10 mai 2016

Quantum rotation number

With Monique Dauge and Mike Hall, we had the idea to use quantum spectra to compute the classical rotation number of some integrable systems.

This gave us some nice pictures !



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lundi 16 novembre 2015

Black hole of ignorance

jeudi 12 novembre 2015

La théorie spectrale, une tradition française ?

En tous cas c’est ce que semblent penser nos amis d’outre-manche, et on va essayer de ne pas les contrarier, hein...

Ah tiens j’en profite pour rappeler mon vieil article "Spectre" sur Images des Maths...

jeudi 10 septembre 2015

The Weighted Shanghai Ranking

Does size matter ?

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mercredi 27 mai 2015

Quantum Magnetic Confinement

In a previous post,I have shown how a varying magnetic field can confine a classical charged particle in R3. With Bernard Helffer, Yuri Kordyukov and Nicolas Raymond, we have finally succeeded in showing that quantum confinement in 3D holds too, for strong magnetic fields!


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