Results 1 to 10 of about 2,163,430 (288)

Exact Values for Some Size Ramsey Numbers of Paths and Cycles

open access: yesFrontiers in Physics, 2020
For the graphs G1, G2, and G, if every 2-coloring (red and blue) of the edges of G results in either a copy of blueG1 or a copy of redG2, we write G → (G1, G2).
Xiangmei Li   +3 more
doaj   +1 more source

The Size, Multipartite Ramsey Numbers for nK2 Versus Path–Path and Cycle

open access: yesMathematics, 2021
For given graphs G1,G2,…,Gn and any integer j, the size of the multipartite Ramsey number mj(G1,G2,…,Gn) is the smallest positive integer t such that any n-coloring of the edges of Kj×t contains a monochromatic copy of Gi in color i for some i, 1≤i≤n ...
Yaser Rowshan   +2 more
doaj   +1 more source

Paths of specified length in random k-partite graphs [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2001
Fix positive integers k and l. Consider a random k-partite graph on n vertices obtained by partitioning the vertex set into V_i, (i=1, \ldots,k) each having size Ω (n) and choosing each possible edge with probability p.
C.R. Subramanian
doaj   +1 more source

Mathematics can be meaningful, easy and fun

open access: yesLUMAT, 2015
The negative attitudes are easily growing among children when mothers are telling to their daughters they were not good at mathematics or when newspapers’ cartoonist is drawing jokes about bad mathematics memories at school.
Maarit Rossi
doaj   +1 more source

Anti-Ramsey Hypergraph Numbers

open access: yesElectronic Journal of Graph Theory and Applications, 2021
The anti-Ramsey number arn(H) of an r-uniform hypergraph is the maximum number of colors that can be used to color the hyperedges of a complete r-uniform hypergraph on n vertices without producing a rainbow copy of H.
Mark Budden, William Stiles
doaj   +1 more source

Dyck Paths, Motzkin Paths and Traffic Jams [PDF]

open access: yes, 2004
It has recently been observed that the normalization of a one-dimensional out-of-equilibrium model, the Asymmetric Exclusion Process (ASEP) with random sequential dynamics, is exactly equivalent to the partition function of a two-dimensional lattice path
Blythe R A   +28 more
core   +2 more sources

On bialgebras associated with paths and essential paths on ADE graphs [PDF]

open access: yes, 2004
We define a graded multiplication on the vector space of essential paths on a graph $G$ (a tree) and show that it is associative. In most interesting applications, this tree is an ADE Dynkin diagram. The vector space of length preserving endomorphisms of
Coquereaux, Robert, Garcia, Ariel O.
core   +2 more sources

Nuovi dati sugli edifici termali di Sabratha

open access: yesÉtudes et Travaux (Institute des Cultures Méditerranéennes et Orientales de l'Académie Polonaise des Sciences), 2017
The architecture of the six Roman baths in Sabratha developed in the second century during the reorganization of the urban space after the earthquake of the Flavian period.
Rosa Maria Bonacasa Carra   +1 more
doaj   +1 more source

The Dynamics of Argumentation in the Discourse on Domestic Tourism [PDF]

open access: yesГуманитарный вектор, 2020
The article examines the structure and dynamics of argumentation in the mass media discourse on domestic tourism. The textual and discursive characteristics of argumentation are analyzed.
Alla N. Teplyashina
doaj   +1 more source

Kulturarv i lendet

open access: yesTidsskrift for Kulturforskning, 2023
The first tourists, trekkers and ramblers in Norway found their way and navigated the paths that ran through pastures, forests and mountains. The paths these first visitors walked on, and indeed the paths we still use walking and trekking today, were ...
Karen V. Lykke
doaj  

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