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Here we analyze a proper 2-generated core in a minimal counter example to the Cherlin-Zilber Algebraicity Conjecture for simple groups of finite Morley rank. We ultimately show that such a group is strongly embedded and the ambiant group is…

Group Theory · Mathematics 2014-02-26 Alexandre Borovik , Jeffrey Burdges , Ali Nesin

The paper contains versions of the Strong Embedding Theorem and the Uniqueness Subgroup Theorem for groups of finite Morley rank and odd type which are needed for the study of permutations actions and modules in the finite Morley rank…

Group Theory · Mathematics 2011-12-01 Alexandre Borovik , Jeffrey Burdges , Ali Nesin

This paper contains a stronger version of a final identification theorem for the `generic' groups of finite Morley rank.

Group Theory · Mathematics 2011-11-28 Ayse Berkman , Alexandre Borovik

We consider groups of finite Morley rank with solvable local subgroups of even and mixed types. We also consider miscellaneous aspects of small groups of finite Morley rank of odd type.

Group Theory · Mathematics 2008-09-15 Adrien Deloro , Eric Jaligot

We lay down the fundations of the theory of groups of finite Morley rank in which local subgroups are solvable and we proceed to the local analysis of these groups. We prove the main Uniqueness Theorem, analogous to the Bender method in…

Group Theory · Mathematics 2008-03-27 Adrien Deloro , Eric Jaligot

We show that a minimal counter example to the Cherlin-Zilber Algebraicity Conjecture for simple groups of finite Morley rank has Prufer 2-rank at most two. This article covers the signalizer functor theory and identifies the groups of Lie…

Logic · Mathematics 2008-11-28 Jeffrey Burdges

The complete classification of the finite simple groups that are $(2,3)$-generated is a problem which is still open only for orthogonal groups. Here, we construct $(2, 3)$-generators for the finite odd-dimensional orthogonal groups…

Group Theory · Mathematics 2024-01-17 M. A. Pellegrini , M. C. Tamburini Bellani

Let $G$ be a finite almost simple group. It is well known that $G$ can be generated by 3 elements, and in previous work we showed that 6 generators suffice for all maximal subgroups of $G$. In this paper we consider subgroups at the next…

Group Theory · Mathematics 2016-11-21 Timothy C. Burness , Martin W. Liebeck , Aner Shalev

This paper gives a characterisation of the group G_2(K) over an algebraically closed field K of characteristic not 2 inside the class of simple K*-groups of finite Morley rank not interpreting a bad field using the structure of centralizers…

Group Theory · Mathematics 2007-05-23 Christine Altseimer

In this paper we prove that any strongly embedded subgroup of a K*-group G of finite Morley rank and odd type that does not interpret any bad field is solvable if its Pruefer 2-rank is at least 2. If the normal 2-rank of G is at least 3…

Group Theory · Mathematics 2007-05-23 Christine Altseimer

We derive a lower and an upper bound for the rank of the finite part of operator $K$-theory groups of maximal and reduced $C^*$-algebras of finitely generated groups. The lower bound is based on the amount of polynomially growing conjugacy…

K-Theory and Homology · Mathematics 2017-05-24 Süleyman Kağan Samurkaş

It is well known that every finite simple group has a generating pair. Moreover, Guralnick and Kantor proved that every finite simple group has the stronger property, known as $\frac{3}{2}$-generation, that every nontrivial element is…

Group Theory · Mathematics 2023-04-21 Scott Harper

This article proves a version of the Feit-Thompson theorem for simple groups of finite Morley rank: a connected groups of finite Morley rank with a finite Sylow 2-subgroup has a trivial Sylow 2-subgroups.

Logic · Mathematics 2007-11-28 Alexandre Borovik , Jeffrey Burdges , Gregory Cherlin

This expository article revolves around the question to find short presentations of finite simple groups. This subject is one of the most active research areas of group theory in recent times. We bring together several known results on…

Group Theory · Mathematics 2020-05-19 Yash Arora , Anupam Singh

Let $G$ be an infinite simple group of finite Morley rank and of Pr\"{u}fer $2$-rank $1$ which admits a supertight automorphism $\alpha$ such that the fixed-point subgroup $C_G(\alpha^n)$ is pseudofinite for all integers $n > 0$. We prove…

Group Theory · Mathematics 2023-09-22 Ulla Karhumäki , Pınar Uğurlu

We consider the capability of $p$ groups of class two and odd prime exponent. We use linear algebra and counting arguments to establish a number of new results. In particular, we settle the 4-generator case, and prove a sufficient condition…

Group Theory · Mathematics 2007-05-23 Arturo Magidin

We classify a large class of small groups of finite Morley rank: $N_\circ^\circ$-groups which are the infinite analogues of Thompson's $N$-groups. More precisely, we constrain the $2$-structure of groups of finite Morley rank containing a…

Group Theory · Mathematics 2016-10-05 Adrien Deloro , Eric Jaligot

We revisit the geometry of involutions in groups of finite Morley rank. Our approach unifies and generalises numerous results, both old and recent, that have exploited this geometry; though in fact, we prove much more. We also conjecture…

Logic · Mathematics 2020-04-29 Adrien Deloro , Joshua Wiscons

We discuss some new results concerning Gap Conjecture on group growth and present a reduction of it (and its *-version) to several special classes of groups. Namely we show that its validity for the classes of simple groups and residually…

Group Theory · Mathematics 2012-09-19 Rostislav Grigorchuk

We study a family of finitely generated residually finite groups. These groups are doubles $F_2*_H F_2$ of a rank-$2$ free group $F_2$ along an infinitely generated subgroup $H$. Varying $H$ yields uncountably many groups up to isomorphism.

Group Theory · Mathematics 2022-07-11 Hip Kuen Chong , Daniel T. Wise
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