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
Ueber Polar- und Nullsysteme. - MaRDI portal

Deprecated: Use of MediaWiki\Skin\SkinTemplate::injectLegacyMenusIntoPersonalTools was deprecated in Please make sure Skin option menus contains `user-menu` (and possibly `notifications`, `user-interface-preferences`, `user-page`) 1.46. [Called from MediaWiki\Skin\SkinTemplate::getPortletsTemplateData in /var/www/html/w/includes/Skin/SkinTemplate.php at line 691] in /var/www/html/w/includes/Debug/MWDebug.php on line 372

Deprecated: Use of MediaWiki\Skin\BaseTemplate::getPersonalTools was deprecated in 1.46 Call $this->getSkin()->getPersonalToolsForMakeListItem instead (T422975). [Called from Skins\Chameleon\Components\NavbarHorizontal\PersonalTools::getHtml in /var/www/html/w/skins/chameleon/src/Components/NavbarHorizontal/PersonalTools.php at line 66] in /var/www/html/w/includes/Debug/MWDebug.php on line 372

Deprecated: Use of QuickTemplate::(get/html/text/haveData) with parameter `personal_urls` was deprecated in MediaWiki Use content_navigation instead. [Called from MediaWiki\Skin\QuickTemplate::get in /var/www/html/w/includes/Skin/QuickTemplate.php at line 131] in /var/www/html/w/includes/Debug/MWDebug.php on line 372

Ueber Polar- und Nullsysteme. (Q1518779)

From MaRDI portal





scientific article; zbMATH DE number 2674316
Language Label Description Also known as
English
Ueber Polar- und Nullsysteme.
scientific article; zbMATH DE number 2674316

    Statements

    Ueber Polar- und Nullsysteme. (English)
    0 references
    0 references
    1897
    0 references
    Dreht man den Pol einer Ebene \(\pi\) in Bezug auf ein Rolationsellipsoid \(E\) um die Axe von \(E\) um \(90^\circ\), verbindet die neue Lage mit dem einen Scheitel von \(E\), ordnet den Schnittpunkt von \(\pi\) mit dieser Geraden \(\pi\) als Nullpunkt zu, so ist das so definirte Nullsystem linear. Verf. beweist den Satz, und vorher seine projective Verallgemeinerung, auf projectivem Wege.
    0 references

    Identifiers