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 condition for modular lattices - MaRDI portal

A condition for modular lattices (Q2475563)

From MaRDI portal
scientific article
Language Label Description Also known as
English
A condition for modular lattices
scientific article

    Statements

    A condition for modular lattices (English)
    0 references
    0 references
    0 references
    11 March 2008
    0 references
    It is shown that a geometric lattice of finite rank is modular if any maximal chain contains a non-trivial modular element. This is generalized to a certain class of finite rank upper semimodular cyclically generated lattices in which every cycle is modular.
    0 references
    geometric lattice
    0 references
    modular element
    0 references
    modular lattice
    0 references

    Identifiers