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This is a companion piece to my paper on "Example-Based Procedural Modeling Using Graph Grammars." This paper examines some of the theoretical issues in more detail. This paper discusses some more complex parts of the implementation, why…

Graphics · Computer Science 2023-09-04 Paul Merrell

In this paper has been proved the pluripolarity of graphs of algebroid functions

Complex Variables · Mathematics 2010-05-10 Zafar Ibragimov

Graph colouring is a combinatorial optimisation problem with applications in several important domains, including sports scheduling, cartography, street map navigation, and timetabling. It is also of significant theoretical interest and a…

History and Overview · Mathematics 2026-02-23 Rhyd Lewis

Some symmetry problems are formulated and solved. New simple proofs are given for the earlier studied symmetry problems.

Classical Analysis and ODEs · Mathematics 2009-03-04 N. S. Hoang , A. G. Ramm

In this survey paper we discuss some recent results and related open questions in additive combinatorics, in particular, questions about sumsets in finite abelian groups.

Number Theory · Mathematics 2022-11-04 Bela Bajnok

Graph machine learning has gained great attention in both academia and industry recently. Most of the graph machine learning models, such as Graph Neural Networks (GNNs), are trained over massive graph data. However, in many real-world…

Machine Learning · Computer Science 2022-10-19 Xingbo Fu , Binchi Zhang , Yushun Dong , Chen Chen , Jundong Li

This paper is simply a collection of process diagrams for further use and reference. These are diagrams about different approaches to research.

Human-Computer Interaction · Computer Science 2022-09-27 Sheelagh Carpendale

Necessary and sufficient conditions for a finite connected graph with a strict partial order on vertices to be a combinatorial invariant of pseudoharmonic function are obtained.

General Topology · Mathematics 2009-10-20 Yevgen Polulyakh , Iryna Yurchuk

We strengthen and put in a broader perspective previous results of the first two authors on colliding permutations. The key to the present approach is a new non-asymptotic invariant for graphs.

Combinatorics · Mathematics 2007-09-28 János Körner , Claudia Malvenuto , Gábor Simonyi

We raise some questions about graph polynomials, highlighting concepts and phenomena that may merit consideration in the development of a general theory. Our questions are mainly of three types: When do graph polynomials have reduction…

Combinatorics · Mathematics 2024-06-25 Graham Farr , Kerri Morgan

This paper offers a review of recent studies on the entanglement of free-fermion systems on graphs that take advantage of methods pertaining to signal processing and algebraic combinatorics. On the one hand, a parallel with time and band…

Quantum Physics · Physics 2024-06-13 Pierre-Antoine Bernard , Nicolas Crampé , Rafael I. Nepomechie , Gilles Parez , Luc Vinet

This is a survey of old and new problems and results in additive number theory.

Number Theory · Mathematics 2025-10-28 Melvyn B. Nathanson

We compute numerically the homology of several graph complexes in low loop orders, extending previous results.

Quantum Algebra · Mathematics 2023-12-21 Simon Brun , Thomas Willwacher

In recent years several classical results in extremal graph theory have been improved in a uniform way and their proofs have been simplified and streamlined. These results include a new Erd\H{o}s-Stone-Bollob\'as theorem, several stability…

Combinatorics · Mathematics 2011-07-07 Vladimir Nikiforov

Graph polynomials are polynomials assigned to graphs. Interestingly, they also arise in many areas outside graph theory as well. Many properties of graph polynomials have been widely studied. In this paper, we survey some results on the…

Combinatorics · Mathematics 2016-01-13 Xueliang Li , Yongtang Shi

A survey paper on some recent results on additive problems with prime powers.

Number Theory · Mathematics 2017-05-12 Alessandro Languasco

Some classical graph problems such as finding minimal spanning tree, shortest path or maximal flow can be done efficiently. We describe slight variations of such problems which are shown to be NP-complete. Our proofs use straightforward…

Computational Complexity · Computer Science 2020-01-14 Per Alexandersson

Signed graphs are graphs whose edges get a sign $+1$ or $-1$ (the signature). Signed graphs can be studied by means of graph matrices extended to signed graphs in a natural way. Recently, the spectra of signed graphs have attracted much…

Combinatorics · Mathematics 2019-07-11 Francesco Belardo , Sebastian M. Cioabă , Jack H. Koolen , Jianfeng Wang

We introduce a new arc in directed graphs of integers. Among other things, we determine the positive integers that have arcs to all except a finite number of positive integers. We also propose some possible research problems at the end of…

Number Theory · Mathematics 2023-03-24 Phakhinkon Napp Phunphayap , Passawan Noppakaew , Prapanpong Pongsriiam

A theory about the implication structure in graph coloring is presented. Discovering hidden relations is a crucial activity in every scientific discipline. The development of mathematical models to study and discover such hidden relations…

Combinatorics · Mathematics 2009-01-12 Jose Antonio Martin H