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We show an invariance result for the L2-torsion of groups under uniform measure equivalence provided a measure-theoretic version of the determinant conjecture holds. The measure-theoretic determinant conjecture is discussed and, for…

Algebraic Topology · Mathematics 2010-04-20 Wolfgang Lueck , Roman Sauer , Christian Wegner

A very simple but useful almost sure convergence theorem of probability is given.

General Mathematics · Mathematics 2011-12-19 Masumi Nakajima

We construct derived fundamental group schemes for Tate motives over connected smooth schemes over fields. We show that there exists a pro affine derived group scheme over the rationals such that its category of perfect representations…

Algebraic Geometry · Mathematics 2010-11-02 Markus Spitzweck

We prove the A-theoretic Isomorphism Conjecture with coefficients and finite wreath products for solvable groups.

K-Theory and Homology · Mathematics 2017-10-10 F. Thomas Farrell , Xiaolei Wu

We formulate an analogue of Tate conjecture on algebraic cycles, for the log geometry over a finite field. We show that the weight-monodromy conjecture follows from this conjecture and from the semi-simplicity of the Frobenius action. This…

Algebraic Geometry · Mathematics 2025-02-25 Kazuya Kato , Chikara Nakayama , Sampei Usui

It is proved that any infinite Abelian group of infinite exponent admits a non-discrete reflexive group topology.

General Topology · Mathematics 2009-06-04 S. S. Gabriyelyan

Two conjectures about homology groups, K-groups and topological full groups of minimal etale groupoids on Cantor sets are formulated. We verify these conjectures for many examples of etale groupoids including products of etale groupoids…

Operator Algebras · Mathematics 2015-12-08 Hiroki Matui

Many proofs of the Fundamental Theorem of Algebra, including various proofs based on the theory of analytic functions of a complex variable, are known. To the best of our knowledge, this proof is different from the existing ones.

General Mathematics · Mathematics 2022-08-09 Bikash Chakraborty

For each prime number $p$ and each integer $g \geqslant 5$, we construct infinitely many abelian varieties of dimension $g$ over $\overline{\mathbb{F}}_p$ satisfying the standard conjecture of Hodge type. The main tool is a recent theorem…

Algebraic Geometry · Mathematics 2025-11-14 Thomas Agugliaro

We prove the volume conjecture for an infinite family of links called Whitehead chains that generalizes both the Whitehead link and the Borromean rings.

Geometric Topology · Mathematics 2009-09-29 Roland van der Veen

We prove a theorem of Tits type for automorphism groups of projective varieties over an algebraically closed field of arbitrary characteristic, which was first conjectured by Keum, Oguiso and Zhang for complex projective varieties.

Algebraic Geometry · Mathematics 2021-02-24 Fei Hu , Tomohide Terasoma

If we pick two elements of a non-abelian group at random, the odds this pair commutes is at most 5/8, so there is a "gap" between abelian and non-abelian groups \cite{G}. We prove a "topological" generalization estimating the odds a word…

Group Theory · Mathematics 2012-05-29 John Mangual

In this paper, we show that the Character Triple Conjecture holds for all finite groups once assumed for all quasi-simple groups. This answers the question on the existence of a self-reducing form of Dade's conjecture, a problem that was…

Representation Theory · Mathematics 2024-02-27 Damiano Rossi

We extend the well-known Cassels-Tate dual exact sequence for abelian varieties A over global fields K in two directions: we treat the p-primary component in the function field case, where p is the characteristic of K, and we dispense with…

Number Theory · Mathematics 2007-05-23 Cristian D. Gonzalez-Aviles , Ki-Seng Tan

We give a new proof of Tietze Theorem on the convergence of infinite semi-regular continued fractions.

Number Theory · Mathematics 2022-03-11 Daniel Duverney , Iekata Shiokawa

For an abelian variety $A$ over a finitely generated field $K$ of characteristic $p > 0$, we prove that the algebraic rank of $A$ is at most a suitably defined analytic rank. Moreover, we prove that equality, i.e., the BSD rank conjecture,…

Algebraic Geometry · Mathematics 2025-08-04 Veronika Ertl , Timo Keller , Yanshuai Qin

We generalize a result of R. Thomas to establish the non-vanishing of the first l2-Betti number for a class of finitely generated groups.

Group Theory · Mathematics 2011-11-10 Aditi Kar , Graham A. Niblo

We prove the K-theoretic Farrell-Jones conjecture with (twisted) coefficients for CAT(0)-groups.

Geometric Topology · Mathematics 2011-03-30 Christian Wegner

Let $G$ be a finite group, $N(G)$ be the set of conjugacy classes of the group $G$. In the present paper it is proved $G\simeq L$ if $N(G)=N(L)$, where $G$ is a finite group with trivial center and $L$ is a finite simple group of…

Group Theory · Mathematics 2021-11-02 Ilya Gorshkov , Ivan Kaygorodov , Andrei Kukharev , Aleksei Shlepkin

We explain how the gluing of a closed piece of the tensor-triangular spectrum with its open complement hinges on the support of the Tate ring.

Commutative Algebra · Mathematics 2025-03-18 Paul Balmer , Beren Sanders