Deprecated: $wgMWOAuthSharedUserIDs=false is deprecated, set $wgMWOAuthSharedUserIDs=true, $wgMWOAuthSharedUserSource='local' instead [Called from MediaWiki\HookContainer\HookContainer::run in /var/www/html/w/includes/HookContainer/HookContainer.php at line 135] in /var/www/html/w/includes/Debug/MWDebug.php on line 372
About the question on periodic trajectories in Birkhoff's billiards - MaRDI portal

About the question on periodic trajectories in Birkhoff's billiards (Q1105884)

From MaRDI portal





scientific article; zbMATH DE number 4060364
Language Label Description Also known as
English
About the question on periodic trajectories in Birkhoff's billiards
scientific article; zbMATH DE number 4060364

    Statements

    About the question on periodic trajectories in Birkhoff's billiards (English)
    0 references
    1987
    0 references
    The author gives a new proof of Birkhoff's theorem about the periodic trajectories in billiards.
    0 references
    kinematic differential geometry
    0 references
    periodic trajectories in billiards
    0 references
    0 references

    Identifiers