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We present explicit recursive relations for the four-point superconformal block functions that are essentially particular contributions of the given conformal class to the four-point correlation function. The approach is based on the…

高能物理 - 理论 · 物理学 2009-11-11 V. A. Belavin

We consider the problem of correlation functions in the stationary states of one-dimensional stochastic models having conformal invariance. If one considers the space dependence of the correlators, the novel aspect is that although one…

统计力学 · 物理学 2016-06-17 Francisco C. Alcaraz , Vladimir Rittenberg

Coupled tensor decomposition reveals the joint data structure by incorporating priori knowledge that come from the latent coupled factors. The tensor ring (TR) decomposition is invariant under the permutation of tensors with different mode…

机器学习 · 计算机科学 2020-11-10 Huyan Huang , Yipeng Liu , Ce Zhu

We study the estimation of a planted signal hidden in a recently introduced nested matrix-tensor model, which is an extension of the classical spiked rank-one tensor model, motivated by multi-view clustering. Prior work has theoretically…

机器学习 · 统计学 2024-02-19 Hugo Lebeau , Mohamed El Amine Seddik , José Henrique de Morais Goulart

We build upon previous analytical treatments of scalar perturbations in curved inflationary universes to obtain analytical templates for the primordial tensor power spectrum in models with non-zero primordial spatial curvature. These…

宇宙学与河外天体物理 · 物理学 2026-01-27 Ezra Msolla , Ayngaran Thavanesan

Characterising intractable high-dimensional random variables is one of the fundamental challenges in stochastic computation. The recent surge of transport maps offers a mathematical foundation and new insights for tackling this challenge by…

机器学习 · 统计学 2021-10-20 Tiangang Cui , Sergey Dolgov

Real-world signals typically span across multiple dimensions, that is, they naturally reside on multi-way data structures referred to as tensors. In contrast to standard ``flat-view'' multivariate matrix models which are agnostic to data…

信号处理 · 电气工程与系统科学 2019-12-04 Bruno Scalzo Dees , Anh-Huy Phan , Danilo P. Mandic

Topologically ordered systems are characterized by topological invariants that are often calculated from the momentum space integration of a certain function that represents the curvature of the many-body state. The curvature function may…

介观与纳米尺度物理 · 物理学 2016-01-21 Wei Chen

In this paper we study the double scaling limit of the multi-orientable tensor model. We prove that, contrary to the case of matrix models but similarly to the case of invariant tensor models, the double scaling series are convergent. We…

高能物理 - 理论 · 物理学 2018-06-22 Razvan Gurau , Adrian Tanasa , Donald R. Youmans

Modular graph functions arise in the calculation of the low-energy expansion of closed-string scattering amplitudes. For toroidal world-sheets, they are ${\rm SL}(2,\mathbb{Z})$-invariant functions of the torus complex structure that have…

高能物理 - 理论 · 物理学 2022-11-30 Daniele Dorigoni , Axel Kleinschmidt , Rudolfs Treilis

We consider a pivotal monoidal functor whose domain is a modular tensor category (MTC). We show that the trace of such a functor naturally extends to a representation of the corresponding tube category. As irreducible representations of the…

量子代数 · 数学 2021-02-23 Leonard Hardiman

We present a braided circuit topology framework for investigating topology and structural phase transitions in aggregates of semiflexible polymers. In the conventional approach to circuit topology, which specifically applies to single…

软凝聚态物质 · 物理学 2024-02-27 Jonas Berx , Alireza Mashaghi

Deep neural networks are composed of layers of parametrised linear operations intertwined with non linear activations. In basic models, such as the multi-layer perceptron, a linear layer operates on a simple input vector embedding of the…

机器学习 · 计算机科学 2020-03-06 Jean-Marc Andreoli

The full set of cosmological observables coming from linear scalar and tensor perturbations of loop quantum cosmology is computed in the presence of inverse-volume corrections. Background inflationary solutions are found at linear order in…

广义相对论与量子宇宙学 · 物理学 2011-03-28 Martin Bojowald , Gianluca Calcagni

We prove rigorously that the symmetric traceless and the antisymmetric tensor models in rank three with tetrahedral interaction admit a $1/N$ expansion, and that at leading order they are dominated by melon diagrams. This proves the recent…

高能物理 - 理论 · 物理学 2019-09-13 Dario Benedetti , Sylvain Carrozza , Razvan Gurau , Maciej Kolanowski

We study the global and local topological properties of multi-lepton patterns reconstructed at the detectors. We investigate the sensitivity of Forman Ricci curvature distributions and persistent homology features to kinematic cuts,…

高能物理 - 唯象学 · 物理学 2024-08-01 Jyotiranjan Beuria

Persistence has proved to be a valuable tool to analyze real world data robustly. Several approaches to persistence have been attempted over time, some topological in flavor, based on the vector space-valued homology functor, other…

代数拓扑 · 数学 2019-05-23 Mattia G. Bergomi , Pietro Vertechi

We consider the $O(N)^3$ tensor model of Klebanov and Tarnopolsky \cite{Klebanov:2016xxf} in $d<4$ with a free covariance modified to fit the infrared conformal scaling. We study the renormalization group flow of the model using a Wilsonian…

高能物理 - 理论 · 物理学 2019-06-17 Dario Benedetti , Razvan Gurau , Sabine Harribey

We show that the large N expansion in the multi-trace 1 formal hermitian matrix model is governed by the topological recursion of [Eynard and Orantin, 2007] with initial conditions. In terms of a 1d gas of eigenvalues, this model includes -…

数学物理 · 物理学 2016-10-05 Gaëtan Borot

The cluster expansion formalism used in materials science is reconstructed on an axiomatic basis with the aims of clarifying underlying concepts and improving computational procedures, and without using conventional cluster functions.…

材料科学 · 物理学 2022-10-21 Paul E. Lammert , Vincent H. Crespi