Conférences - Géométrie et topologie - Iran

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1
ICCG 2020 — The 3rd Iranian Conference on Computational Geometry
16 fév 2020 • Tehran, Iran
Organisateur:
Tehran Polytechnic
Résumé:
The 3rd Iranian Conference on Computational Geometry (ICCG) will be held on February 16, 2020 at the Department of Mathematics and Computer Science, at Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran. Like the last two ICCGs, after the ICCG, there will be the Winter School on Computational Geometry, at the same place. ICCG is an annual, international conference whose goal is to bring together students and researchers from academia and industry, in order to promote research in the fields of combinatorial and computational geometry. Important dates: Submission deadline: November 8, 2019 Acceptance notification: December 22, 2019 Conference: February 16, 2020
Identifiant de l'évènement:
1275076
2
CIMPA-IASBS Research School on Spectra in Riemannian and Symplectic Geometry,
08 jui 2020 - 18 jui 2020 • Zanjan, Iran
Résumé:
One of the fascinating bridges between classical mechanics and quantum physics is expressed in the fact that the length spectrum and the Laplace spectrum of a closed Riemannian manifold determine each other (at least generically). Similarly, the set of lengths of the closed orbits of a billiard table and the Laplace spectrum of that table determine each other, at least for certain billiard tables. The main goal of this school is to introduce graduate students and young researchers to basic facts on these two spectra, and to the above correspondence. The length spectrum generalizes to the action spectrum of an autonomous Hamiltonian function. Floer homology filtered by the action spectrum can be used to construct so-called action selectors, that are a principal tool in modern symplectic geometry and dynamics, yielding simple proofs of Gromov's nonsqueezing theorem, the Weinstein conjecture in R^{2n}, the existence of closed orbits in a magnetic fields, etc. The second goal is to understand this relevance of the action spectrum in symplectic geometry. A third, more hypothetical, goal is to see which parts of the two sides can be related.

Prerequisites: We expect that students have had courses in real analysis of several variables, know what an ordinary differential equation is, and have followed a course on curves and surfaces. More knowledge is useful, but not necessary to follow the lectures.

Identifiant de l'évènement:
1282129


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Dernière mise à jour: 18 Octobre 2019