Results 191 to 200 of about 4,342 (279)

Weak compactness cardinals for strong logics and subtlety properties of the class of ordinals

open access: yesJournal of the London Mathematical Society, Volume 112, Issue 1, July 2025.
Abstract Motivated by recent work of Boney, Dimopoulos, Gitman, and Magidor, we characterize the existence of weak compactness cardinals for all abstract logics through combinatorial properties of the class of ordinals. This analysis is then used to show that, in contrast to the existence of strong compactness cardinals, the existence of weak ...
Philipp Lücke
wiley   +1 more source

Groups with Chernikov conjugacy classes in which Sylow permutability is a transitive relation

open access: bronze, 2009
José María Muñoz Escolano   +2 more
openalex   +1 more source

Equivariant geometry of singular cubic threefolds, II

open access: yesJournal of the London Mathematical Society, Volume 112, Issue 1, July 2025.
Abstract We study linearizability of actions of finite groups on cubic threefolds with nonnodal isolated singularities.
Ivan Cheltsov   +3 more
wiley   +1 more source

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