Abstract
This is a collection of problems composed by some participants of the workshop “Differential Geometry, Billiards, and Geometric Optics” that took place at CIRM on October 4–8, 2021.
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Notes
Supported by ISF Grant 580/20.
Partially supported by Laboratory of Dynamical Systems and Applications, HSE University, of the Ministry of science and higher education of the RF Grant ag. No 075-15-2019-1931 and by RFBR and JSPS (research project 19-51-50005).
Supported by CIDMA through FCT (Fundação para a Ciência e a Tecnologia), ref. UIDB/04106/2020.
More precisely, let a particle hit the body at a regular point x of its boundary. One needs to take an inertial reference system in which the point x is at rest; in this system the reflection occurs according to the familiar billiard law.
Supported by NSF Grant DMS-2005444.
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Bialy, M., Fierobe, C., Glutsyuk, A. et al. Open Problems on Billiards and Geometric Optics. Arnold Math J. 8, 411–422 (2022). https://doi.org/10.1007/s40598-022-00198-y
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DOI: https://doi.org/10.1007/s40598-022-00198-y