Results 11 to 20 of about 157,308 (292)

Ramsey theory and thermodynamics [PDF]

open access: goldHeliyon, 2023
Re-shaping of thermodynamics with the graph theory and Ramsey theory is suggested. Maps built of thermodynamic states are addressed. Thermodynamic states may be attainable and non-attainable by the thermodynamic process in the system of constant mass. We
Nir Shvalb   +3 more
doaj   +8 more sources

Using Ramsey Theory to Measure Unavoidable Spurious Correlations in Big Data [PDF]

open access: goldAxioms, 2019
Given a dataset, we quantify the size of patterns that must always exist in the dataset. This is done formally through the lens of Ramsey theory of graphs, and a quantitative bound known as Goodman’s theorem.
Micheal Pawliuk   +1 more
doaj   +4 more sources

More results in polychromatic Ramsey theory

open access: greenOpen Mathematics, 2012
Abraham Uri, Cummings James
doaj   +4 more sources

Ramsey numbers of partial order graphs (comparability graphs) and implications in ring theory [PDF]

open access: goldOpen Mathematics, 2020
For a partially ordered set (A,≤)(A,\le ), let GA{G}_{A} be the simple, undirected graph with vertex set A such that two vertices a≠b∈Aa\ne b\in A are adjacent if either a≤ba\le b or b≤ab\le a.
Badawi Ayman, Rissner Roswitha
doaj   +2 more sources

Two conjectures in Ramsey-Tur\'an theory [PDF]

open access: green, 2018
Given graphs $H_1,\ldots, H_k$, a graph $G$ is $(H_1,\ldots, H_k)$-free if there is a $k$-edge-colouring $\phi:E(G)\rightarrow [k]$ with no monochromatic copy of $H_i$ with edges of colour $i$ for each $i\in[k]$. Fix a function $f(n)$, the Ramsey-Tur\'an
Jaehoon Kim, Younjin Kim, Hong Liu
openalex   +5 more sources

Dynamic Ramsey Theory of Mechanical Systems Forming a Complete Graph and Vibrations of Cyclic Compounds

open access: yesDynamics, 2023
Ramsey theory constitutes the dynamics of mechanical systems, which may be described as abstract complete graphs. We address a mechanical system which is completely interconnected by two kinds of ideal Hookean springs.
Nir Shvalb   +3 more
doaj   +3 more sources

On-line Ramsey Theory [PDF]

open access: diamondThe Electronic Journal of Combinatorics, 2004
The Ramsey game we consider in this paper is played on an unbounded set of vertices by two players, called Builder and Painter. In one move Builder introduces a new edge and Painter paints it red or blue. The goal of Builder is to force Painter to create a monochromatic copy of a fixed target graph $H$, keeping the constructed graph in a prescribed ...
Jarosław Grytczuk   +2 more
openalex   +3 more sources

Ramsey–Turán theory

open access: yesDiscrete Mathematics, 2001
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Simonovits, Miklós, T. Sós, Vera
openaire   +5 more sources

More on lines in Euclidean Ramsey theory [PDF]

open access: diamondComptes Rendus. Mathématique, 2023
Let $\ell _m$ be a sequence of $m$ points on a line with consecutive points at distance one. Answering a question raised by Fox and the first author and independently by Arman and Tsaturian, we show that there is a natural number $m$ and a red/blue ...
Conlon, David, Wu, Yu-Han
doaj   +2 more sources

New directions in Ramsey theory [PDF]

open access: diamondDiscrete Mathematics Letters, 2021
Gary Chartrand, Ping Zhang
doaj   +2 more sources

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