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A brief exposition of the point of higher topos theory in (mathematical) physics, commissioned for the Encyclopedia of Mathematical Physics 2nd ed.

Mathematical Physics · Physics 2024-12-30 Urs Schreiber

In this paper, some results on the existence of n-tuplet fixed points for multi-valued contraction mappings are proved via measure of noncompactness. As an application, the existence of solutions for a system of integral inclusions is…

Functional Analysis · Mathematics 2020-02-04 Derya Sekman , Nour El Houda Bouzara , Vatan Karakaya

This article proposes a biconvex modification to convex biclustering in order to improve its performance in high-dimensional settings. In contrast to heuristics that discard a subset of noisy features a priori, our method jointly learns and…

Machine Learning · Statistics 2026-04-13 Sam Rosen , Eric C. Chi , Jason Xu

The main purpose of this article is to study from the geometric point of view the problem of limit cycles bifurcation of perturbed completely integrable systems.

Dynamical Systems · Mathematics 2017-02-03 Răzvan M. Tudoran , Anania Gîrban

In this note, we study the general form of a multiplicative bijection on several families of functions defined on manifolds, both real or complex valued. In the real case, we prove that it is essentially defined by a composition with a…

Classical Analysis and ODEs · Mathematics 2011-11-22 Shiri Artstein-Avidan , Dmitry Faifman , Vitali Milman

In this work, we focus on describing the space of bi-invariant metrics in a Lie group up to isometry. I.e, that is, metrics invariant under both left and right translations. We show that $\mathfrak{BI}$, the moduli space of bi-invariant…

Differential Geometry · Mathematics 2024-04-12 Juan Flores Torres

We define a type of biquandle which is a generalization of symplectic quandles. We use the extra structure of these bilinear biquandles to define new knot and link invariants and give some examples.

Quantum Algebra · Mathematics 2008-08-13 Sam Nelson , Jacquelyn L. Rische

We study fixed point sets for holomorphic automorphisms (and endomorphisms) on complex manifolds. The main object of our interest is to determine the number and configuration of fixed points that forces an automorphism (endomorphism) to be…

Complex Variables · Mathematics 2007-05-23 Buma L. Fridman , Daowei Ma , Jean-Pierre Vigue

In this paper we investigate fixed-point numbers of endomorphisms on complex tori. Specifically, motivated by the asymptotic perspective that has turned out in recent years to be so fruitful in Algebraic Geometry, we study how the number of…

Algebraic Geometry · Mathematics 2015-08-26 Thomas Bauer , Thorsten Herrig

We present a new and explicit method for lifting a tilting complex to a bimodule complex. The key ingredient of our method is the notion of a strong homotopy action in the sense of Stasheff.

Rings and Algebras · Mathematics 2007-05-23 Bernhard Keller

We define two model structures on the category of bicomplexes concentrated in the right half plane. The first model structure has weak equivalences detected by the totalisation functor. The second model structure's weak equivalences are…

Algebraic Topology · Mathematics 2023-02-09 Fernando Muro , Constanze Roitzheim

Finding a computationally efficient algorithm for the inverse continuous wavelet transform is a fundamental topic in applications. In this paper, we show the convergence of the inverse wavelet transform.

Functional Analysis · Mathematics 2010-09-01 Wenchang Sun

This paper is concerned with Loxodromic Mobius Transformations with disjoint Axes in a Kleinian Group. We study mainly the distance between their axes, and give some estimates about their translation lengths.

Complex Variables · Mathematics 2011-02-22 Tan-Ran Zhang

We show that there is a bijection between real-linear automorphisms of the multicomplex numbers of order $n$ and signed permutations of length $2^{n-1}$. This allows us to deduce a number of results on the multicomplex numbers, including a…

Rings and Algebras · Mathematics 2022-11-28 Nicolas Doyon , Pierre-Olivier Parisé , William Verreault

Bifurcations of periodic orbits as an external parameter is varied are a characteristic feature of generic Hamiltonian systems. Meyer's classification of normal forms provides a powerful tool to understand the structure of phase space…

chao-dyn · Physics 2009-10-31 P. Leboeuf , A. Mouchet

We propose to determine the bifurcation diagrams of fixed points using their coordinates as control parameters. This method can lead to exact solutions to otherwise intractable bifurcation problems.

Statistical Mechanics · Physics 2013-01-23 David Andrieux

The bicomplex Bergman spaces are studied for any bounded bicomplex domain. Its Bergman kernel is computed in terms of the kernels of the complex projections of the domain. We also introduce two additional reproducing kernel Hilbert spaces…

Functional Analysis · Mathematics 2024-02-21 Cesar O. Perez-Regalado , Raul Quiroga-Barranco

The theorem on the existence of bifurcation points of the stationary solutions for the Vlasov-Maxwell system with bifurcation direction is proved.

Mathematical Physics · Physics 2007-05-23 N. A. Sidorov , A. V. Sinitsyn

This paper introduces a new type of simulation function within the framework of $b$-metric spaces, leading to the derivation of fixed-point results in this general setting. We explore the theoretical implications of these results and…

Metric Geometry · Mathematics 2025-01-14 Anuradha Gupta , Rahul Mansotra

The binomial multichannel algorithm is proposed. Some its properties are discussed.

Cryptography and Security · Computer Science 2007-05-23 A. Lavrenov
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