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Previous work has demonstrated that efficient algorithms exist for computing Kan extensions and that some Kan extensions have interesting similarities to various machine learning algorithms. This paper closes the gap by proving that all…

范畴论 · 数学 2025-02-20 Matthew Pugh , Jo Grundy , Corina Cirstea , Nick Harris

We obtain similar types of conclusions as that of Br\"{u}ck [1] for two differential polynomials which in turn radically improve and generalize several existing results. Moreover, a number of examples have been exhibited to justify the…

复变函数 · 数学 2022-09-15 Abhijit Banerjee , Bikash Chakraborty

We consider iterated function systems on the real line that consist of continuous, piecewise linear functions. We show that typically the natural dimension of these systems changes continuously with respect to the parameters that define the…

动力系统 · 数学 2024-02-09 R. D. Prokaj , P. Raith

In this paper, a modified formulation of generalized probabilistic theories that will always give rise to the structure of Hilbert space of quantum mechanics, in any finite outcome space, is presented and the guidelines to how to extend…

综合物理 · 物理学 2022-09-19 Raed M. Shaiia

We prove a specialization inequality relating the dimension of the complete linear series on a variety to the tropical complex of a regular semistable degeneration. Our result extends Baker's specialization inequality to arbitrary…

代数几何 · 数学 2021-07-01 Dustin Cartwright

In this paper, we introduce a generalization of derivations. Using these so-called secondary derivations, along with an analogue of Connes' Long Exact Sequence, we are able to provide computations in low dimension for the secondary…

交换代数 · 数学 2023-02-24 Kylie Bennett , Elizabeth Heil , Jacob Laubacher

We establish a theory of complexes of relative correspondences. The theory generalizes the known theory of complexes of correspondences of smooth projective varieties. It will be applied in the sequel of this paper to the construction of…

代数几何 · 数学 2014-01-03 Masaki Hanamura

We are interested in generalizing part of the theory of ultrafilters on omega to larger cardinals. Here we set the scene for further investigations introducing properties of ultrafilters in strong sense dual to being normal.

逻辑 · 数学 2007-05-23 Saharon Shelah

We first exhibit counterexamples to some open questions related to a theorem of Sakai. Then we establish an extension theorem of Sakai type for separately holomorphic/meromorphic functions.

复变函数 · 数学 2007-05-23 Peter Pflug , Viet-Anh Nguyen

We prove a selection theorem for paraconvex-valued mappings defined on {\tau}-PF normal spaces. The method developed to prove this result is used to provide a general approach to such selection theorems.

一般拓扑 · 数学 2014-03-10 Narcisse Roland Loufouma Makala

We provide theorems containnig both Kakutani and Browder fixed points theorems as immediate corollaries, as well as Michael and Browder selection theorems. For this purpose we introduce convex structures more general than those of locally…

泛函分析 · 数学 2007-05-23 Peter Saveliev

Position probability distribution of a set of massive mutually exclusive particles in one dimension has been defined. Examples with a given two mutually exclusive particles system are considered. It is emphasized that quantum particles at…

量子物理 · 物理学 2016-10-28 Rasool Kheiry , Shahram Salehi

The main results of this paper are generalizations some classical theorems about transversals for families of finite sets to some cases of families of infinite sets.

组合数学 · 数学 2020-08-10 G. R. Chelnokov , V. L. Dol'nikov

In this short note we give counterexamples to several results related to extension theorems published recently.

泛函分析 · 数学 2013-03-19 Constantin Zalinescu

In this paper, we study extensions of valuations over algebraic field extensions without the use of the Axiom of Choice. We show a bijection between the extensions of a valuation and the maximal ideals of the relative integral closure of…

交换代数 · 数学 2025-11-11 Cédric Aïd

We prove that if $B\subseteq A$ is an extension of finite dimensional algebras such that the projective dimension of $A/B$ as a $B$-bimodule is finite, if $A$ has finite finitistic dimension, then so does $B$. We exhibit examples…

表示论 · 数学 2023-06-06 John William MacQuarrie , Fernando dos Reis Naves

Based on the probability distribution observed in complex systems and an assumption that the probability distributions of complex systems satisfy a new generalized multiplication, it is proved that the statistical theory of complex systems…

统计力学 · 物理学 2015-06-25 Jincan Chen , Tie Liu , Zhifu Huang , Guozhen Su

In this paper, we present the general one-dimensional Clifford Fourier Transform. We derive fundamental properties: Plancherel theorem, reconstruction and convolution formulas. Additionally, we provide an application to probability theory…

泛函分析 · 数学 2023-05-04 Said Fahlaoui , Hakim Monaim

This work is, in part, a generalization of the article by A.A. Bruen ,T.C Bruen and J.M.McQuillan on Desargues Theorem in arXiv:2007.09175[mathCO]July 17,2020. We prove the extension of Desargues theorem in all dimensions, using 4 different…

组合数学 · 数学 2023-02-08 Aiden A Bruen

We introduce a novel matrix-variate extension of the Heckman selection model to accommodate multiple outcomes, providing a flexible and natural generalization of classical selection models for matrix-valued data. By relying on the matrix…

统计方法学 · 统计学 2026-05-05 Heeju Lim , Carlos A. R. Diniz , Ofer Harel , Victor H. Lachos