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Colored Homomorphisms of Colored Mixed Graphs

open access: bronzeJournal of Combinatorial Theory, Series B, 2000
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jaroslav Nešetřil, André Raspaud
openalex   +4 more sources

Identifying the Shortest Path of a Semidirected Graph and Its Application

open access: yesMathematics, 2022
The basic goal of this research is to find the shortest path of a semidirected graph and apply it to the road network system. In the field of graph theory, networks are described as directed graphs, undirected graphs, or a combination of both.
Rakhi Das   +4 more
doaj   +1 more source

Enumeration of Mixed Graphs [PDF]

open access: yesProceedings of the American Mathematical Society, 1966
and three oriented lines. An ordinary graph may be regarded as a mixed graph with no oriented lines, and an oriented graph as a mixed graph with no ordinary lines. Further, any digraph may be considered as a mixed graph by changing each symmetric pair of lines to an ordinary line.
Ed Palmer, Frank Harary
openaire   +1 more source

Mixed graph colouring as scheduling multi-processor tasks with equal processing times

open access: yesЖурнал Белорусского государственного университета: Математика, информатика, 2021
A problem of scheduling partially ordered unit-time tasks processed on dedicated machines is formulated as a mixed graph colouring problem, i. e., as an assignment of integers (colours) {1, 2, …, t} to the vertices (tasks) V {ν1, ν2, …, νn}, of the mixed
Yuri N. Sotskov
doaj   +1 more source

The Spectral Distribution of Random Mixed Graphs

open access: yesAxioms, 2022
In this work, we propose a random mixed graph model Gn(p(n),q(n)) that incorporates both the classical Erdős-Rényi’s random graph model and the random oriented graph model.
Yue Guan   +7 more
doaj   +1 more source

On spectral integral variations of mixed graphs

open access: bronzeLinear Algebra and its Applications, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Yi-Zheng Fan
openalex   +4 more sources

Mixed picture fuzzy graph

open access: yesRatio Mathematica, 2022
A new form of picture fuzzy graph has been identified and introduced here as Mixed Picture Fuzzy Graph(MPFG). The picture fuzzy set is made up of the fuzzy set and the intuitionistic fuzzy set.
K.K. Myithili, C. Nandhini
doaj   +1 more source

Markov properties for mixed graphs [PDF]

open access: yesBernoulli, 2014
In this paper, we unify the Markov theory of a variety of different types of graphs used in graphical Markov models by introducing the class of loopless mixed graphs, and show that all independence models induced by $m$-separation on such graphs are compositional graphoids.
Sadeghi, Kayvan, Lauritzen, Steffen
openaire   +5 more sources

Mixed metric dimension of graphs [PDF]

open access: yesApplied Mathematics and Computation, 2017
arXiv admin note: text overlap with arXiv:1602 ...
Aleksander Kelenc   +3 more
openaire   +4 more sources

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