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Time series resulting from wave decomposition show the existence of different correlation patterns for avalanche dynamics. For the d=2 Bak-Tang-Wiesenfeld model, long range correlations determine a modification of the wave size distribution…

Statistical Mechanics · Physics 2009-10-31 Mario De Menech , Attilio L. Stella

In a model of self-organized criticality unstable sites discharge to just one of their neighbors. For constant discharge ratio $\alpha$ and for a certain range of values of the input energy, avalanches are simple branchless P\'olya random…

Statistical Mechanics · Physics 2009-11-07 S. S. Manna , A. L. Stella

We prove the modularity of a positive proportion of abelian surfaces over $\mathbf{Q}$. More precisely, we prove the modularity of abelian surfaces which are ordinary at $3$ and are $3$-distinguished, subject to some assumptions on the…

Number Theory · Mathematics 2025-03-03 George Boxer , Frank Calegari , Toby Gee , Vincent Pilloni

Moduli spaces of quadratic differentials with prescribed singularities are not necessarily connected. We describe here all cases when they have a special hyperelliptic connected component. We announce the general classification theorem: up…

Geometric Topology · Mathematics 2007-05-23 Erwan Lanneau

We consider a stochastic variant of the Abelian Sandpile Model (ASM) on a finite graph, introduced by Chan, Marckert and Selig. Even though it is a more general model, some nice properties still hold. We show that on a certain probability…

Combinatorics · Mathematics 2016-07-20 François Nunzi

In this paper we derive a two-component system of nonlinear equations which model two-dimensional shallow water waves with constant vorticity. Then we prove well-posedness of this equation using a geometrical framework which allows us to…

Mathematical Physics · Physics 2019-01-03 Joachim Escher , David Henry , Boris Kolev , Tony Lyons

We report the formation of alternating strings and clusters in a binary suspension of repulsive charged colloids with double layers larger than the particle size. Within a binary cell model we include many-body and charge-regulation effects…

Soft Condensed Matter · Physics 2016-08-16 Jeffrey C. Everts , Marjolein N. van der Linden , Alfons van Blaaderen , René van Roij

Configuration space of abelian gauge theory on a periodic lattice becomes topologically disconnected by excising exceptional gauge field configurations. It is possible to define a U(1) bundle from the nonexceptional link variables by a…

High Energy Physics - Lattice · Physics 2009-10-31 T. Fujiwara , H. Suzuki , K. Wu

We consider the Abelian-Higgs model with two complex scalar fields and arbitrary positive integer charges with the addition of a higher-order generalization of the Josephson term. The theory possesses vortices of both local and global…

High Energy Physics - Theory · Physics 2020-04-21 Chandrasekhar Chatterjee , Sven Bjarke Gudnason , Muneto Nitta

We consider diffusion limited aggregation of particles of two different kinds. It is assumed that a particle of one kind may adhere only to another particle of the same kind. The particles aggregate on a linear substrate which consists of…

Other Condensed Matter · Physics 2015-05-20 E. B. Postnikov , A. B. Ryabov , A. Loskutov

Abstract algebra provides a large hierarchy of properties that a collection of objects can satisfy, such as forming an abelian group or a semiring. These classifications can arranged into a broad and typically acyclic directed graph. This…

Logic in Computer Science · Computer Science 2023-07-24 Eric Wieser

We perform extensive numerical simulations of different versions of the sandpile model. We find that previous claims about universality classes are unfounded, since the method previously employed to analyze the data suffered a systematic…

Statistical Mechanics · Physics 2009-10-31 Alessandro Chessa , H. Eugene Stanley , Alessandro Vespignani , Stefano Zapperi

A connected graph can be associated with two distinct evolution algebras. In the first case, the structural matrix is the adjacency matrix of the graph itself. In the second case, the structural matrix is the transition probabilities matrix…

Combinatorics · Mathematics 2024-05-22 Paula Cadavid , Mary Luz Rodiño Montoya , Pablo M. Rodriguez , Sebastian J. Vidal

We revisit the calculation of height correlations in the two-dimensional Abelian sandpile model by taking advantage of a technique developed recently by Kenyon and Wilson. The formalism requires to equip the usual graph Laplacian,…

Statistical Mechanics · Physics 2017-12-25 Adrien Poncelet , Philippe Ruelle

Take finitely many topological spaces and for each pair of these spaces choose a pair of corresponding closed subspaces that are identified by a homeomorpism. We note that this gluing procedure does not guarantee that the building pieces,…

Quantum Algebra · Mathematics 2012-07-03 Piotr M. Hajac , Bartosz Zielinski

We solve a case of the Abelian Exponential-Algebraic Closedness Conjecture, a conjecture due to Bays and Kirby, building on work of Zilber, which predicts sufficient conditions for systems of equations involving algebraic operations and the…

Logic · Mathematics 2025-02-04 Francesco Gallinaro

We study the scaling properties of avalanche activity in the two-dimensional Abelian sandpile model. Instead of the conventional avalanche size distribution, we analyze the site activity distribution, which measures how often a site…

Statistical Mechanics · Physics 2025-10-14 Anubhav Ganguly

We investigate the bipartite entanglement for the boundary states in a simple type of spin networks with dangling edges, in which the two complementary parts are linked by two or more edges. Firstly, the spin entanglement is considered in…

High Energy Physics - Theory · Physics 2019-01-23 Yi Ling , Meng-He Wu , Yikang Xiao

We study the abelian sandpile growth model, where n particles are added at the origin on a stable background configuration in Z^d. Any site with at least 2d particles then topples by sending one particle to each neighbor. We find that with…

Combinatorics · Mathematics 2010-04-08 Anne Fey , Lionel Levine , Yuval Peres

We investigate the behavior of a two-state sandpile model subjected to a confining potential in one and two dimensions. From the microdynamical description of this simple model with its intrinsic exclusion mechanism, it is possible to…

Statistical Mechanics · Physics 2015-06-19 R. S. Pires , A. A. Moreira , H. A. Carmona , J. S. Andrade