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
Almost ω-continuous functions defined by ω-open sets due to Arhangel'ski<img width=13 height=23 src="http://fbpe/img/cubo/v19n1/art01-1.jpg" alt="http://fbpe/img/cubo/v19n1/art01-1.jpg"> - MaRDI portal