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
On the period map for surfaces with \(K^ 2_ S=2\), \(p_ g=1\), \(q=0\) and torsion \({\mathbb{Z}}/2{\mathbb{Z}}\) - MaRDI portal