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We consider a class of finite-dimensional dynamical systems whose equations of motion are derived from a non-local-in-time action principle. The action functional has a zeroth order piece derived from a local Hamiltonian and a perturbation…

General Relativity and Quantum Cosmology · Physics 2024-06-25 Francisco M. Blanco

Consider a navigation rule defined on a graph that maps every vertex of the graph to a vertex in such a way that the navigation rule commutes with every automorphism of the graph. It is to say that the navigation rule applied to the…

Probability · Mathematics 2023-12-15 Bharath Roy Choudhury

Terms in the lambda-calculus can be represented as planar trees decorated with symbols for abstraction and application, and having variables as leaves. In this paper, we concentrate on the branches of such trees, rather than on the trees…

Logic in Computer Science · Computer Science 2026-03-05 Rob Nederpelt , Ferruccio Guidi

This paper deals with model transformation based on attributed graph rewriting. Our contribution investigates a single pushout approach for applying the rewrite rules. The computation of graph attributes is obtained through the use of typed…

Logic in Computer Science · Computer Science 2011-07-04 Bertrand Boisvert , Louis Féraud , Sergei Soloviev

Community structures are critical for understanding the mesoscopic organization of networks, bridging local and global patterns. While methods such as DeepWalk and node2vec capture local positional information through random walks, they…

Social and Information Networks · Computer Science 2024-12-19 He Yu , Jing Liu

We show that given a trivalent graph in $S^3$, either the graph complement contains an essential almost meridional planar surface or thin position for the graph is also bridge position. This can be viewed as an extension of a theorem of…

Geometric Topology · Mathematics 2008-07-21 Tao Li

On the one side, the formalism of Global Transformations comes with the claim of capturing any transformation of space that is local, synchronous and deterministic. The claim has been proven for different classes of models such as mesh…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-11 Luidnel Maignan , Antoine Spicher

We propose a family of lagged random walk sampling methods in simple undirected graphs, where transition to the next state (i.e. node) depends on both the current and previous states -- hence, lagged. The existing random walk sampling…

Statistics Theory · Mathematics 2022-05-16 Li-Chun Zhang

Small-world networks, known for high local clustering and short path lengths, are a fundamental structure in many real-world systems, including social, biological, and technological networks. We apply the theory of (marked) local…

Probability · Mathematics 2026-04-29 Yeganeh Alimohammadi , Senem Işık , Amin Saberi

Let $\Gamma$ denote a distance-regular graph with classical parameters $(D, b, \alpha, \beta)$ and $D\geq 3$. Assume the intersection numbers $a_1=0$ and $a_2\not=0$. We show $\Gamma$ is 3-bounded in the sense of the article [D-bounded…

Combinatorics · Mathematics 2007-09-06 Yeh-jong Pan , Chih-wen Weng

We elaborate on the principle that for gapped quantum spin systems with local interaction "local perturbations [in the Hamiltonian] perturb locally [the ground state]". This principle was established in [Bachmann et al. 2012], relying on…

Mathematical Physics · Physics 2015-06-30 Wojciech De Roeck , Marius Schütz

Let $S_n$ be a lattice random walk with mean zero and finite variance, and let $\Lambda^a_n$ be its occupation measure at level $a$. In this note, we prove local limit theorems for $\Pr[S_n=x,\Lambda^a_n=\ell]$ and…

Probability · Mathematics 2019-01-28 Pierre Yves Gaudreau Lamarre

There has been much recent interest in random graphs sampled uniformly from the n-vertex graphs in a suitable minor-closed class, such as the class of all planar graphs. Here we use combinatorial and probabilistic methods to investigate a…

Combinatorics · Mathematics 2012-10-10 Colin McDiarmid

This article is devoted to the study of mappings with branch points whose characteristics satisfy integral-type constraints. We have proved theorems concerning their local and global behavior. In particular, we established the…

Complex Variables · Mathematics 2021-01-25 Evgeny Sevost'yanov

We provide an example of a trivalent, 3-connected graph G such that, for any choice of metric on G, the resulting metric graph is Brill-Noether special.

Algebraic Geometry · Mathematics 2016-02-12 David Jensen

We consider the 1D transport equation with nonlocal velocity field: \begin{equation*}\label{intro eq} \begin{split} &\theta_t+u\theta_x+\nu \Lambda^{\gamma}\theta=0, \\ & u=\mathcal{N}(\theta), \end{split} \end{equation*} where…

Analysis of PDEs · Mathematics 2018-06-05 Hantaek Bae , Rafael Granero-Belinchón , Omar Lazar

We initiate the study of Local Computation Algorithms on average case inputs. In the Local Computation Algorithm (LCA) model, we are given probe access to a huge graph, and asked to answer membership queries about some combinatorial…

Data Structures and Algorithms · Computer Science 2025-06-27 Amartya Shankha Biswas , Ruidi Cao , Cassandra Marcussen , Edward Pyne , Ronitt Rubinfeld , Asaf Shapira , Shlomo Tauber

We introduce a new algebraic structure called \textit{local biquandles} and show how colorings of oriented classical link diagrams and of broken surface diagrams are related to tribracket colorings. We define a (co)homology theory for local…

Geometric Topology · Mathematics 2019-02-19 Sam Nelson , Kanako Oshiro , Natsumi Oyamaguchi

Recently, a new class of non-convex optimization problems motivated by the statistical problem of learning an acyclic directed graphical model from data has attracted significant interest. While existing work uses standard first-order…

Machine Learning · Computer Science 2023-07-03 Chang Deng , Kevin Bello , Bryon Aragam , Pradeep Ravikumar

The stable pairs theory of local curves in 3-folds (equivariant with respect to the scaling 2-torus) is studied with stationary descendent insertions. Reduction rules are found to lower descendents when higher than the degree. Factorization…

Algebraic Geometry · Mathematics 2012-07-05 R. Pandharipande , A. Pixton