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The existence of invariant generators for distributions satisfying a compatibility condition with the symmetry algebra is proved.

微分几何 · 数学 2011-10-17 Madeleine Jotz , Tudor S. Ratiu

Invariable generation is a topic that has predominantly been studied for finite groups. In 2014, Kantor, Lubotzky, and Shalev produced extensive tools for investigating invariable generation for infinite groups. Since their paper, various…

群论 · 数学 2020-08-20 Charles Garnet Cox

Beyond their origin in modeling many-body quantum systems, tensor networks have emerged as a promising class of models for solving machine learning problems, notably in unsupervised generative learning. While possessing many desirable…

We point out that the equivalence theorem, which relates the amplitude for a process with external longitudinally polarized vector bosons to the amplitude in which the longitudinal vector bosons are replaced by the corresponding…

高能物理 - 唯象学 · 物理学 2009-10-28 Carsten Grosse-Knetter , Ingolf Kuss

Bayesian optimization has shown to be a fundamental global optimization algorithm in many applications: ranging from automatic machine learning, robotics, reinforcement learning, experimental design, simulations, etc. The most popular and…

机器学习 · 计算机科学 2015-06-09 Ruben Martinez-Cantin

Seshadri constants on abelian surfaces are fully understood in the case of Picard number one. Little is known so far for simple abelian surfaces of higher Picard number. In this paper we investigate principally polarized abelian surfaces…

代数几何 · 数学 2025-04-09 Thomas Bauer , Maximilian Schmidt

Coarse-graining is central to reducing dimensionality in molecular dynamics, and is typically characterized by a mapping which projects the full state of the system to a smaller class of variables. While extensive literature has been…

概率论 · 数学 2020-01-08 Frédéric Legoll , Tony Lelièvre , Upanshu Sharma

The quantum mechanical generation of hypermagnetic and hyperlectric fields in four-dimensional conformally flat background geometries rests on the simultaneous continuity of the effective horizon and of the extrinsic curvature across the…

高能物理 - 理论 · 物理学 2017-09-13 Massimo Giovannini

Most natural objects have inherent complexity and variability. While some simple objects can be modeled from first principles, many real-world phenomena, such as cloud formation, require computationally expensive simulations that limit…

机器学习 · 计算机科学 2025-06-13 Nadav Torem , Tamar Sde-Chen , Yoav Y. Schechner

Starting from a general $N$-band Hamiltonian with weak spatial and temporal variations, we derive a low energy effective theory for transport within one or several overlapping bands. To this end, we use the Wigner representation that allows…

介观与纳米尺度物理 · 物理学 2013-08-09 Christian Wickles , Wolfgang Belzig

Seshadri constants, introduced by Demailly, measure the local positivity of a nef divisor at a point. In this paper, we compute the Seshadri constants of the anticanonical divisors of Fano manifolds with coindex at most $3$ at a very…

代数几何 · 数学 2019-03-25 Jie Liu

P. Kabamba developed generation theory as a tool for studying self-reproducing systems. We provide an alternative definition of a generation system and give a complete solution to the problem of finding optimal seeds for a finite…

人工智能 · 计算机科学 2022-12-13 Rita Gitik

We establish a local to global principle for higher moments over holomorphy rings of global function fields and use it to compute the higher moments of rectangular unimodular matrices and Eisenstein polynomials with coefficients in such…

数论 · 数学 2024-10-10 Andy Hsiao , Junhong Ma Blackmer , Severin Schraven , Ying Qi Wen

We survey several applications of fixed point theorems in the theory of invariant subspaces. The general idea is that a fixed point theorem applied to a suitable map yields the existence of invariant subspaces for an operator on a Banach…

算子代数 · 数学 2012-10-23 Rafa Espínola , Miguel Lacruz

Generative Adversarial Networks (GANs) are very popular frameworks for generating high-quality data, and are immensely used in both the academia and industry in many domains. Arguably, their most substantial impact has been in the area of…

计算机视觉与模式识别 · 计算机科学 2022-03-02 Gilad Cohen , Raja Giryes

Let $X$ be a compact Riemann surface. The famous Narasimhan-Seshadri theorem [13] of 1965 uses the Grothendieck construction [4] of 1956 that associates vector bundles $E(\sigma)$ on $X$ to representations $\sigma$ of a certain Fuchsian…

代数几何 · 数学 2025-09-30 Nitin Nitsure

This paper considers a class of multi-objective optimization problems known as Minkowski sum problems. Minkowski sum problems have a decomposable structure, where the global nondominated (Pareto) set corresponds to the Minkowski sum of…

最优化与控制 · 数学 2025-02-03 Mark Lyngesen , Sune Lauth Gadegaard , Lars Relund Nielsen

Deep generative models provide a systematic way to learn nonlinear data distributions, through a set of latent variables and a nonlinear "generator" function that maps latent points into the input space. The nonlinearity of the generator…

机器学习 · 统计学 2021-12-14 Georgios Arvanitidis , Lars Kai Hansen , Søren Hauberg

At high-energy collider experiments, generative models can be used for a wide range of tasks, including fast detector simulations, unfolding, searches of physics beyond the Standard Model, and inference tasks. In particular, it has been…

高能物理 - 唯象学 · 物理学 2024-11-07 Jack Y. Araz , Vinicius Mikuni , Felix Ringer , Nobuo Sato , Fernando Torales Acosta , Richard Whitehill

We prove a Plancherel theorem for a nonlinear Fourier transform in two dimensions arising in the Inverse Scattering method for the defocusing Davey-Stewartson II equation. We then use it to prove global well-posedness and scattering in…

偏微分方程分析 · 数学 2019-09-20 Adrian I. Nachman , Idan Regev , Daniel I. Tataru
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