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
A diameter gap for quotients of the unit sphere - MaRDI portal

A diameter gap for quotients of the unit sphere (Q6081866)

From MaRDI portal
scientific article; zbMATH DE number 7755548
Language Label Description Also known as
English
A diameter gap for quotients of the unit sphere
scientific article; zbMATH DE number 7755548

    Statements

    A diameter gap for quotients of the unit sphere (English)
    0 references
    0 references
    0 references
    0 references
    0 references
    26 October 2023
    0 references
    Summary: We prove that for any isometric action of a group on a unit sphere of dimension larger than 1, the quotient space has diameter zero or larger than a universal dimension-independent positive constant.
    0 references
    compact groups
    0 references
    orthogonal representations
    0 references
    orbit space
    0 references
    diameter
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references

    Identifiers

    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references