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We present a systematic study of the reconstruction of a non-negative function via maximum entropy approach utilizing the information contained in a finite number of moments of the function. For testing the efficacy of the approach, we…

数学物理 · 物理学 2015-05-18 Parthapratim Biswas , Arun K. Bhattacharya

We construct a version of the complex Heisenberg algebra based on the idea of endless analytic continuation. In particular, we exhibit an integral formula for the product of resurgent operators with algebraic singularities. This algebra…

数学物理 · 物理学 2015-01-12 Mauricio Garay , Axel de Goursac , Duco van Straten

We present new exact solutions for two-dimensional geometries generated by continuous distributions of topological defects within a conformal metric framework. By reformulating Einstein's equations in two dimensions as a Poisson equation…

广义相对论与量子宇宙学 · 物理学 2025-07-09 A. M. de M. Carvalho , G. Q. Garcia , C. Furtado

We classify all functions which, when applied term by term, leave invariant the sequences of moments of positive measures on the real line. Rather unexpectedly, these functions are built of absolutely monotonic components, or reflections of…

经典分析与常微分方程 · 数学 2022-05-17 Alexander Belton , Dominique Guillot , Apoorva Khare , Mihai Putinar

We give a geometric criterion for Dirichlet $L$-functions associated to cyclic characters over the rational function field $\mathbb{F}_q(t)$ to vanish at the central point $s=1/2$. The idea is based on the observation that vanishing at the…

数论 · 数学 2021-01-01 Ravi Donepudi , Wanlin Li

Shearlet theory has become a central tool in analyzing and representing 2D data with anisotropic features. Shearlet systems are systems of functions generated by one single generator with parabolic scaling, shearing, and translation…

泛函分析 · 数学 2010-11-23 Gitta Kutyniok , Jakob Lemvig , Wang-Q Lim

We focus on the analysis of planar shapes and solid objects having thin features and propose a new mathematical model to characterize them. Based on our model, that we call an epsilon-shape, we show how thin parts can be effectively and…

计算几何 · 计算机科学 2018-01-09 Daniela Cabiddu , Marco Attene

We present a general framework to study uniqueness, stability and reconstruction for infinite-dimensional inverse problems when only a finite-dimensional approximation of the measurements is available. For a large class of inverse problems…

偏微分方程分析 · 数学 2021-11-10 Giovanni S. Alberti , Matteo Santacesaria

We calculate certain "wide moments" of central values of Rankin--Selberg $L$-functions $L(\pi\otimes \Omega, 1/2)$ where $\pi$ is a cuspidal automorphic representation of $\mathrm{GL}_2$ over $\mathbb{Q}$ and $\Omega$ is a Hecke character…

数论 · 数学 2024-02-28 Asbjorn Christian Nordentoft

We study an abstract setting for cutting planes for integer programming called the infinite group problem. In this abstraction, cutting planes are computed via cut generating function that act on the simplex tableau. In this function space,…

最优化与控制 · 数学 2025-01-13 Robert Hildebrand , Matthias Köppe , Luze Xu

We obtain exact formulas for the absolute raw and central moments of the variance-gamma distribution, as infinite series involving the modified Bessel function of the second kind and the modified Lommel function of the first kind. When the…

概率论 · 数学 2024-09-10 Robert E. Gaunt

Generalized Functions play a central role in the understanding of differential equations containing singularities and nonlinearities. Introducing infinitesimals and infinities to deal with these obstructions leads to controversies…

微分几何 · 数学 2023-09-15 Juriaans , S. O. , Queiroz , P. C

The Gauss-Bonnet curvature of order $2k$ is a generalization to higher dimensions of the Gauss-Bonnet integrand in dimension $2k$, as the usual scalar curvature generalizes the two dimensional Gauss-Bonnet integrand. In this paper, we…

微分几何 · 数学 2007-05-23 Mohammed-Larbi Labbi

In earlier papers [3,4,5,6] Gursey et al. showed development of a bilocal baryon-meson field from two quark-antiquark fields. The Hamiltonian in the case of vanishing quark masses was shown to have a very good agreement with experiments…

数学物理 · 物理学 2014-11-07 Yoon Seok Choun

We revisit Allendoerfer-Weil's formula for the Euler characteristic of embedded hypersurfaces in constant sectional curvature manifolds, first taking some time to re-prove it while demonstrating techniques of [2] and then applying it to…

微分几何 · 数学 2021-09-08 R. Albuquerque

The discrete data encoded in the power moments of a positive measure, fast decaying at infinity on euclidean space, is incomplete for recovery, leading to the concept of moment indeterminateness. On the other hand, classical integral…

泛函分析 · 数学 2023-08-01 David P. Kimsey , Mihai Putinar

An algorithm for calculating generalized fractal dimension of a time series using the general information function is presented. The algorithm is based on a strings sort technique and requires $O(N \log_2 N)$ computations. A rough estimate…

chao-dyn · 物理学 2009-10-31 Yosef Ashkenazy

We provide a necessary and sufficient condition for the representability of a function as the classical multidimensional Laplace transform, when the support of the representing measure is contained in some generalized semi-algebraic set.…

泛函分析 · 数学 2012-02-08 Ami Viselter

We consider the deformation of the Schwarzschild solution in general relativity due to spherically symmetric quantum fluctuations of the metric and the matter fields. In this case, the 4D theory of gravity with Einstein action reduces to…

高能物理 - 理论 · 物理学 2009-10-22 D. I. Kazakov , S. N. Solodukhin

The dynamics of an M-dimensional extended object whose M+1 dimensional world volume in M+2 dimensional space-time has vanishing mean curvature is formulated in term of geometrical variables (the first and second fundamental form of the…

高能物理 - 理论 · 物理学 2016-09-06 Jens Hoppe