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20-XX Group theory and generalizations

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Displaying 321 – 329 of 329

Extensions of symplectic groupoids and quantization.

Alan Weinstein, Ping Xu (1991)

Journal für die reine und angewandte Mathematik

Extensions of two classic kinds of Wachs space operators

A. Torgašev (1976)

Matematički Vesnik

Extensions par union

Helmut Jürgensen (1975/1976)

Groupe d'étude d'algèbre Groupe d'étude d'algèbre

Extensions realising a faithful abstract kernel and their automorphisms.

Paul Igodt, Wim Malfait (1994)

Manuscripta mathematica

Extensive varieties

Jaroslav Ježek, Tomáš Kepka (1975)

Acta Universitatis Carolinae. Mathematica et Physica

Externally Induced Operations.

A.D. Wallace (1971/1972)

Jahresbericht der Deutschen Mathematiker-Vereinigung

Extraspecial sections of periodic $F C$ -groups

M. J. Tomkinson (1975)

Compositio Mathematica

Extreme elements of finite $p$ -groups

Avinoam Mann (1990)

Rendiconti del Seminario Matematico della Università di Padova

Extremely primitive groups and linear spaces

Haiyan Guan, Shenglin Zhou (2016)

Czechoslovak Mathematical Journal

A non-regular primitive permutation group is called extremely primitive if a point stabilizer acts primitively on each of its nontrivial orbits. Let $𝒮$ be a nontrivial finite regular linear space and $G \leq Aut (𝒮) .$ Suppose that $G$ is extremely primitive on points and let rank $(G)$ be the rank of $G$ on points. We prove that rank $(G) \geq 4$ with few exceptions. Moreover, we show that $Soc (G)$ is neither a sporadic group nor an alternating group, and $G = PSL (2, q)$ with $q + 1$ a Fermat prime if $Soc (G)$ is a finite classical simple group.

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