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Stationary Poisson processes of lines in the plane are studied whose directional distributions are concentrated on $k \ge 3$ equally spread directions. The random lines of such processes decompose the plane into a collection of random…

Probability · Mathematics 2022-09-29 Nils Heerten , Julia Krecklenberg , Christoph Thäle

We study a notion of cross ratios on metric graphs and electrical networks. We show that several known results immediately follow from the basic properties of cross ratios. We show that the projection matrices of Kirchhoff have nice (and…

Combinatorics · Mathematics 2018-10-08 Robin de Jong , Farbod Shokrieh

In two dimensions, the average electrical conductance from a point in a percolating network to the network boundary should be related by a conformal transformation to the conductance from one point to another in an unbounded network. We…

Statistical Mechanics · Physics 2023-08-14 Matthew D. Golden , Joseph P. Straley

We calculate the electrical conductivity of a thin crystalline strip of atoms confined within a quasi one dimensional channel of fixed width. The conductivity shows anomalous behavior as the strip is deformed under tensile loading. Beyond a…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Soumendu Datta , Debasish Chaudhuri , Tanusri Saha-Dasgupta , Surajit Sengupta

It is shown that two definitions for an exterior differential in superspace, giving the same exterior calculus, yet lead to different results when applied to the Poisson bracket. A prescription for the transition with the help of these…

High Energy Physics - Theory · Physics 2009-11-07 Dmitrij V. Soroka , Vyacheslav A. Soroka

In our work, crack-template-based transparent conducting films were modeled as networks corresponding to the edges of a two-dimensional Poisson--Voronoi diagram. Two types of networks were considered: the original one, in which the…

Disordered Systems and Neural Networks · Physics 2026-04-28 Yuri Yu. Tarasevich , Andrei V. Esrkepov , Irina V. Vodolazskaya

We present analytical results for the structural evolution of random networks undergoing contraction processes via generic node deletion scenarios, namely, random deletion, preferential deletion and propagating deletion. Focusing on…

Physics and Society · Physics 2020-09-10 I. Tishby , O. Biham , E. Katzav

We consider semiclassical orthogonal polynomials on the unit circle associated with a weight function that satisfy a Pearson-type differential equation involving two polynomials of degree at most three. Structure relations and difference…

Classical Analysis and ODEs · Mathematics 2025-06-05 Cleonice F. Bracciali , Karina S. Rampazzi , Luana L. Silva Ribeiro

We present a proof that every star-product defined on a Poisson manifold and written in a given quantum canonical coordinate system is uniquely equivalent with a Moyal product associated with this coordinate system. The equivalence is…

Mathematical Physics · Physics 2016-04-04 Ziemowit Domanski , Maciej Blaszak

In this thesis a connection between the worlds of discrete and continuous conformal geometry is explored. Specifically, a disk pattern production theroem is proved using an energy which measures how ``uniform'' the angle data of a…

Differential Geometry · Mathematics 2009-09-25 Gregory Leibon

In this paper, the author represent a unification and extension of concepts previously studied by several authors. By establish connections between the chain condition, selectively star-ccc properties and star-Lindel\"of properties, the…

General Topology · Mathematics 2023-12-05 Yuan Sun

Delaunay triangulation can be considered as a type of complex networks. For complex networks, the degree distribution is one of the most important inherent characteristics. In this paper, we first consider the two- and three-dimensional…

Physics and Society · Physics 2018-05-22 Gang Mei , Nengxiong Xu , Salvatore Cuomo

One defines the notion of universal deformation quantization: given any manifold $M$, any Poisson structure $\P$ on $M$ and any torsionfree linear connection $\nabla$ on $M$, a universal deformation quantization associates to this data a…

Symplectic Geometry · Mathematics 2009-11-13 Mourad Ammar , Veronique Chloup , Simone Gutt

Recently, the first author proposed a measure to calculate Pearson correlations for node values expressed in a network, by taking into account distances or metrics defined on the network. In this technical note, we show that using an…

Social and Information Networks · Computer Science 2024-02-16 Michele Coscia , Karel Devriendt

The $(n,k)$-star graphs are an important class of interconnection networks that generalize star graphs, which are superior to hypercubes. In this paper, we continue the work begun by Cheng et al.~(Graphs and Combinatorics 2017) and complete…

Combinatorics · Mathematics 2019-11-01 Karimah Sweet , Li Li , Eddie Cheng , László Lipták , Daniel E. Steffy

In statistics, the Pearson correlation coefficient $r_{x,y}$ determines the degree of linear correlation between two variables and it is known that $-1 \le r_{x,y} \le 1$. In the theory of networks, a curious expression proposed in [PRL…

Disordered Systems and Neural Networks · Physics 2018-03-22 Zafar Ahmed , Sachin Kumar

Place/Transition Petri nets with inhibitor arcs (PTI nets for short), which are a well-known Turing-complete, distributed model of computation, are equipped with a decidable, behavioral equivalence, called pti-place bisimilarity, that…

Logic in Computer Science · Computer Science 2022-11-03 Arnaldo Cesco , Roberto Gorrieri

The star-triangle transformation is used to obtain an equivalence extending over the set of all (in)homogeneous bond percolation models on the square, triangular and hexagonal lattices. Among the consequences are box-crossing (RSW)…

Probability · Mathematics 2021-12-21 Geoffrey R. Grimmett , Ioan Manolescu

In supersymmetric theories, topological defects can have nontrivial behaviors determined purely by whether or not supersymmetry is restored in the defect core. A well-known example of this is that some supersymmetric cosmic strings are…

High Energy Physics - Theory · Physics 2016-03-09 Michael Koehn , Mark Trodden

It is shown that two definitions for the exterior differential in superspace, giving the same exterior calculus, when applied to the Poisson bracket lead to the different results. Examples of the even and odd linear brackets, corresponding…

High Energy Physics - Theory · Physics 2017-08-23 D. V. Soroka , V. A. Soroka
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