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We prove that many seemingly simple theories have Borel complete reducts. Specifically, if a countable theory has uncountably many complete 1-types, then it has a Borel complete reduct. Similarly, if $Th(M)$ is not small, then $M^{eq}$ has…

Logic · Mathematics 2021-09-21 Michael C. Laskowski , Douglas S. Ulrich

We prove a general factorization theorem for Lipschitz summing operators in the context of metric spaces which recovers several linear and nonlinear factorization theorems that have been proved recently in different environments. New…

Functional Analysis · Mathematics 2019-02-08 Geraldo Botelho , Mariana Maia , Daniel Pellegrino , Joedson Santos

We introduce a generic framework to provide bounds related to the pair correlation of sequences belonging to a wide class. We consider analogues of Montgomery's form factor for zeros of the Riemann zeta function in the case of arbitrary…

Number Theory · Mathematics 2025-02-10 Mithun Kumar Das , Tolibjon Ismoilov , Antonio Pedro Ramos

We propose a new class of filtered vector bundles, which is related to variation of (mixed) Hodge structures and give a slight generalization of the Fujita--Zucker--Kawamata semipositivity theorem.

Algebraic Geometry · Mathematics 2017-10-10 Taro Fujisawa

We utilize inclusive sum rules to construct both upper and lower bounds on the form factors for B to D, D*, rho, pi, omega, K and K* semi-leptonic and radiative decays. We include the leading nonperturbative 1/E corrections and point out…

High Energy Physics - Phenomenology · Physics 2009-10-28 C. Glenn Boyd , Ira Z. Rothstein

We investigate sumset decompositions of quite general sets with restricted prime factors. We manage to handle certain sets, such as the smooth numbers, even though they have little sieve amenability, and conclude that these sets cannot be…

Number Theory · Mathematics 2013-09-04 Christian Elsholtz , Adam J. Harper

We prove a general theorem on overpartitions with difference conditions that unifies generalisations of Schur's theorem due to Alladi-Gordon, Andrews, Corteel-Lovejoy and the author. This theorem also allows one to give companions and…

Combinatorics · Mathematics 2016-07-01 Jehanne Dousse

We calculate $D_s^+\to \phi$ transition form factors $V$, $A_0$, $A_1$ and $A_2$, and study semileptonic decay of $D_s^+\to \phi \bar{\ell}\nu$ based on QCD sum rule method. We compare our results of the ratios of $V(0)/A_1(0)$,…

High Energy Physics - Phenomenology · Physics 2016-04-26 Dong-Sheng Du , Jing-Wu Li , Mao-Zhi Yang

I give an elementary proof of the known fact that the category $\mathfrak{F} \left( \Delta \right)$ of $\Delta -$filtered modules, associated to a given finite homological system $\left( \Delta ; \Omega , \leq \right) ,$ is closed under…

Representation Theory · Mathematics 2021-05-07 Jesús Efrén Pérez Terrazas

This paper investigates summability principles for multilinear summing operators. The main result presents a novel inclusion theorem for a class of summing operators, which generalizes several classical results. As applications, we derive…

Functional Analysis · Mathematics 2025-04-04 Nacib Albuquerque , Gustavo Araújo , Lisiane Rezende , Joedson Santos

We define a general notion of "summability" of a set $I\subseteq\mathbb{C^{N}}$ and show that some trivial condition necessary for a set to be summable, is also sufficient. We deduce some intresting corollaries.

Functional Analysis · Mathematics 2017-12-22 Yotam Fine

We show that, up to Morita equivalence, any finite-dimensional algebra with a suitable homological system, admits an exact Borel subalgebra. This generalizes a theorem by Koenig, K\"ulshammer and Ovsienko, which holds for quasi-hereditary…

Representation Theory · Mathematics 2020-12-29 Raymundo Bautista Ramos , Jesús Efrén Pérez Terrazas , Leonardo Salmerón Castro

Generalized summability results are obtained regarding formal solutions of certain families of linear moment integro-differential equations with time variable coefficients. The main result leans on the knowledge of the behavior of the…

Analysis of PDEs · Mathematics 2021-11-01 Alberto Lastra , Sławomir Michalik , Maria Suwińska

We extend the well-known Rainwater-Simons convergence theorem to various generalized convergence methods such as strong matrix summability, statistical convergence and almost convergence. In fact we prove these theorems not only for…

Functional Analysis · Mathematics 2011-03-03 Jan-David Hardtke

The Sommerfeld-Gamow-Sakharov factor is considered for the general case of arbitrary masses and energies. It is shown that the scalar triangular one-loop diagram gives the Coulomb singularity in radiative corrections at the threshold. The…

High Energy Physics - Phenomenology · Physics 2015-06-03 Andrej B. Arbuzov , Tatiana V. Kopylova

In this paper, we give corrected and improved definitions of the sets $S$ and $\Delta$ compared to [1]. By using these new definitions, we go throughout the proof of the main result in [1], and we correct it.

Combinatorics · Mathematics 2019-12-30 Marija Dodig , Marko Stosic

We obtain a complete classification of a large class of non almost periodic free Araki-Woods factors $\Gamma(\mu,m)"$ up to isomorphism. We do this by showing that free Araki-Woods factors $\Gamma(\mu, m)"$ arising from finite symmetric…

Operator Algebras · Mathematics 2023-07-11 Cyril Houdayer , Dimitri Shlyakhtenko , Stefaan Vaes

The generalized summation of divergent trigonometric series, namely by method of $\sigma_k(r,a)$-factors is considered in this paper. It is proved that such summation of Fourier series of periodical function $f(t)$ results in the…

Classical Analysis and ODEs · Mathematics 2018-05-30 Volodymyr Denysiuk

The purpose of this paper is to continue the study of chief factors of a Lie algebra and to prove a further strengthening of the Jordan-H\"older Theorem for chief series.

Rings and Algebras · Mathematics 2015-09-24 David A. Towers

For any $n\in\mathbb{N}=\{0,1,2,\ldots\}$ and $b,c\in\mathbb{Z}$, the generalized central trinomial coefficient $T_n(b,c)$ denotes the coefficient of $x^n$ in the expansion of $(x^2+bx+c)^n$. Let $p$ be an odd prime. In this paper, we…

Number Theory · Mathematics 2020-12-09 Jia-Yu Chen , Chen Wang