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Bratteli-Vershik models have been very successfully applied to the study of various dynamical systems, in particular, in Cantor dynamics. In this paper, we study dynamics on the path spaces of generalized Bratteli diagrams that form models…

动力系统 · 数学 2023-07-14 Sergey Bezuglyi , Palle E. T. Jorgensen , Olena Karpel , Shrey Sanadhya

A reexamination is made of one-loop oblique electroweak corrections. General definitions are given of the oblique parameters without reference to any $q^2$-expansion scheme. The old oblique parameters S,T and U are defined as differences of…

高能物理 - 唯象学 · 物理学 2014-11-17 Anirban Kundu , Probir Roy

Building upon [1], this study aims to introduce fractal geometry into graph theory, and to establish a potential theoretical foundation for complex networks. Specifically, we employ the method of substitution to create and explore…

动力系统 · 数学 2024-05-29 Nero Ziyu Li

We study multilinear generalized Radon transforms using a graph-theoretic paradigm that includes the widely studied linear case. These provide a general mechanism to study Falconer-type problems involving $(k+1)$-point configurations in…

经典分析与常微分方程 · 数学 2016-05-13 Loukas Grafakos , Allan Greenleaf , Alex Iosevich , Eyvindur Palsson

Ramanujan graphs have fascinating properties and history. In this paper we explore a parallel notion of Ramanujan digraphs, collecting relevant results from old and recent papers, and proving some new ones. Almost-normal Ramanujan digraphs…

组合数学 · 数学 2020-10-14 Ori Parzanchevski

We study the geometry of infinite random Boltzmann planar maps having weight of polynomial decay of order $k^{-2}$ for each vertex of degree $k$. These correspond to the dual of the discrete "stable maps" of Le Gall and Miermont [Scaling…

概率论 · 数学 2018-11-08 Timothy Budd , Nicolas Curien , Cyril Marzouk

We summarize the phase diagrams of SU, SO and Sp gauge theories as function of the number of flavors, colors, and matter representation as well as the ones of phenomenologically relevant chiral gauge theories such as the Bars-Yankielowicz…

高能物理 - 唯象学 · 物理学 2010-12-09 Francesco Sannino

In this paper we are concerned with various graph invariants (girth, diameter, expansion constants, eigenvalues of the Laplacian, tree number) and their analogs for weighted graphs -- weighing the graph changes a combinatorial problem to…

组合数学 · 数学 2007-05-23 Dmitry Jakobson , Igor Rivin

As a natural analog of Urysohn's inequality in Euclidean space, Gao, Hug, and Schneider showed in 2003 that in spherical or hyperbolic space, the total measure of totally geodesic hypersurfaces meeting a given convex body K is minimized…

概率论 · 数学 2019-10-28 Thomas Hack , Peter Pivovarov

For suitable kernels on a locally compact space $X$, we develop a theory of inner balayage of quite general Radon measures $\omega$ (not necessarily of finite energy) to arbitrary $A\subset X$. In the case where $A$ is Borel, this theory…

经典分析与常微分方程 · 数学 2024-06-27 Natalia Zorii

We define a class of continuous graded graphs similar to the graph of Gelfand--Tsetlin patterns, and describe the set of all ergodic central measures of discrete type on the path spaces of such graphs. The main observation is that an…

组合数学 · 数学 2022-09-26 A. Vershik , F. Petrov

We introduce a one-parameter family of Borel regular measures on $\mathbb{R}^n$ that enhances Lebesgue measure by incorporating a scale-invariant penalty for codimension-1 boundary structures. Utilizing Carath\'eodory's outer measure…

综合数学 · 数学 2025-09-08 Yash Thakur

We study dynamics of two-dimensional N=(0,1) supersymmetric gauge theories. In particular, we propose that there is an infrared triality between certain triples of theories with orthogonal and symplectic gauge groups. The proposal is…

高能物理 - 理论 · 物理学 2020-05-20 Sergei Gukov , Du Pei , Pavel Putrov

We present a complete system of inequalities for the inradius, circumradius, and diameter in the $3$-dimensional Euclidean space. To do so, we prove quasiconcavity of the inradius evaluated over $n$-simplices with a common facet…

度量几何 · 数学 2025-09-08 René Brandenberg , Bernardo González Merino , Mia Runge

In this paper, we study the fractal dimension of the graph of a fractal transformation and also determine the quantization dimension of a probability measure supported on the graph of the fractal transformation. Moreover, we estimate the…

动力系统 · 数学 2022-12-20 Manuj Verma , Amit Priyadarshi , Saurabh Verma

We study the relation between the diameter, the first positive eigenvalue of the discrete $p$-Laplacian and the $\ell_p$-distortion of a finite graph. We prove an inequality relating these three quantities and apply it to families of Cayley…

群论 · 数学 2011-07-13 Rostislav I. Grigorchuk , Piotr W. Nowak

R. Schwartz's inequality provides an upper bound for the Schwarzian derivative of a parameterization of a circle in the complex plane and on the potential of Hill's equation with coexisting periodic solutions. We prove a discrete version of…

微分几何 · 数学 2010-06-08 Serge Tabachnikov

We develop the study of some spaces of currents of bidegree (p,p). As an application we construct the equilibrium measure for a large class of birational maps of P^k as intersection of Green currents. We show that these currents are…

动力系统 · 数学 2007-05-23 Tien-Cuong Dinh , Nessim Sibony

We introduce a diagramatic notation for supersymmetric gauge theories. The notation is a tool for exploring duality and helps to present the field content of more complicated models in a simple visual way. We introduce the notation with a…

高能物理 - 理论 · 物理学 2009-10-30 Nick Evans , Martin Schmaltz

Motivated by the geodesic barycenter problem from optimal transportation theory, we prove a natural generalization of the Blaschke-Santalo inequality and the affine isoperimetric inequalities for many sets and many functions. We derive from…

泛函分析 · 数学 2021-07-27 Alexander V. Kolesnikov , Elisabeth M. Werner