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
Q4721239 - MaRDI portal

No label defined (Q4721239)

From MaRDI portal





scientific article; zbMATH DE number 3994551
Language Label Description Also known as
English
No label defined
scientific article; zbMATH DE number 3994551

    Statements

    0 references
    1986
    0 references
    not homotopic to a constant map
    0 references
    Hopf map from \(S^ 3\) to \(S^ 2\)
    0 references
    Hopf invariant
    0 references
    homotopy lifting property of fibrations
    0 references

    Identifiers

    0 references
    0 references
    0 references
    0 references