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In this article we show how Gr\"un's results in group theory can be used for studying the structure of class groups in normal extensions.

Number Theory · Mathematics 2011-08-30 Franz Lemmermeyer

A result about spanning forests for graphs yields a short proof of Krebes's theorem concerning embedded tangles in links.

Geometric Topology · Mathematics 2018-03-05 Daniel S. Silver , Susan G. Williams

In this paper, we establish some theorems on the distribution of primes in higher-order progressions on average.

Number Theory · Mathematics 2019-08-29 Nianhong Zhou

We prove a theorem about the derivation algebra of the tensor product of two algebras. As an application, we determine the derivation algebra of the fixed point algebra of the tensor product of two algebras, with respect to the tensor…

Quantum Algebra · Mathematics 2007-05-23 Saeid Azam

We formulate and study an extension of gerbe duality to relative Gromov-Witten theory.

Algebraic Geometry · Mathematics 2022-10-28 Xiang Tang , Hsian-Hua Tseng

The analogue of Goldie's Theorem for prime rings is proved for rings graded by abelian groups, eliminating unnecessary additional hypotheses used in earlier versions.

Rings and Algebras · Mathematics 2007-05-23 K. R. Goodearl , J. T. Stafford

The article presents the procedure of the index calculation for the elements of the algebra generated by one dimensional singular integral operators with discontinuous oscillating coefficients.

Functional Analysis · Mathematics 2007-05-23 E. V. Akulich , A. V. Lebedev

The aim of this paper is to prove a version of Lie's theorem for the supertropical algebra.

Rings and Algebras · Mathematics 2026-04-16 Himadri Mukherjee , Askar Ali M

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

General Mathematics · Mathematics 2011-12-19 Masumi Nakajima

We prove a dualization of the Graham--Rothschild Theorem for variable words indexed by homogeneous trees.

Combinatorics · Mathematics 2022-08-01 Stevo Todorcevic , Konstantinos Tyros

We give a simple proof of Dorronsoro's theorem and use similar ideas to establish an equivalence for embeddings of vector fields.

Classical Analysis and ODEs · Mathematics 2015-06-23 Dmitriy Stolyarov

An approximation result for the bilinear Hilbert transform is proved and used for the inversion of the bilinear Hilbert transform. Also, p-Lebesgue points $(p\geq 1)$ are analyzed.

Functional Analysis · Mathematics 2016-08-14 A. Bučkovska , S. Pilipović , M. Vuković

In this note we prove a converse of Bohr's equivalence theorem for Dirichlet series under some natural assumptions.

Number Theory · Mathematics 2016-12-01 Mattia Righetti

We prove an infinitary version of the Brauer-Schur theorem.

Combinatorics · Mathematics 2023-07-28 Shahram Mohsenipour

The aim of this paper is to prove Cotlar's ergodic theorem modeled on the set of primes.

Dynamical Systems · Mathematics 2013-12-02 Mariusz Mirek , Bartosz Trojan

We prove a theorem of uppersemicontinuity for the metric entropy of meromorphic maps.

Dynamical Systems · Mathematics 2013-12-23 Henry de Thelin

We give a new proof of Lucas' Theorem in elementary number theory.

Number Theory · Mathematics 2013-01-21 Alexandre Laugier , Manjil P. Saikia

The Central Limit Theorem for Iterated Functions Systems on the circle is proved. We study also ergodicity of such systems.

Dynamical Systems · Mathematics 2017-08-04 Tomasz Szarek , Anna Zdunik

In this paper, we prove a theorem on the distribution of primes in cubic progressions on average.

Number Theory · Mathematics 2013-05-17 Timothy Foo , Liangyi Zhao

We give new proofs of some well-known results from Invariant Theorey using the Kempf-Ness theorem.

Algebraic Geometry · Mathematics 2007-05-23 Ivan V. Losev