Results 41 to 50 of about 971,776 (299)

An Efficient Algorithm to Test Potential Bipartiteness of Graphical Degree Sequences

open access: yesTheory and Applications of Graphs, 2021
As a partial answer to a question of Rao, a deterministic and customizable efficient algorithm is presented to test whether an arbitrary graphical degree sequence has a bipartite realization.
Kai Wang
doaj   +1 more source

On embedding degree sequences

open access: yesInformatica, 2019
Assume that we are given two graphic sequences, $\pi_1$ and $\pi_2$. We consider conditions for $\pi_1$ and $\pi_2$ which guarantee that there exists a simple graph $G_2$ realizing $\pi_2$ such that $G_2$ is the subgraph of any simple graph $G_1$ that realizes $\pi_1$.
Béla Csaba, Bálint Vásárhelyi
openaire   +3 more sources

On Factorable Bigraphic Pairs

open access: yesDiscussiones Mathematicae Graph Theory, 2020
Let S = (a1,. . . , am; b1, . . . , bn), where a1, . . . , am and b1, . . . , bn are two sequences of nonnegative integers. We say that S is a bigraphic pair if there exists a simple bipartite graph G with partite sets {x1, x2, . . . , xm} and {y1, y2, .
Yin Jian-Hua, Li Sha-Sha
doaj   +1 more source

On the Distance Spectral Radius of Trees with Given Degree Sequence

open access: yesDiscussiones Mathematicae Graph Theory, 2020
We consider the problem of maximizing the distance spectral radius and a slight generalization thereof among all trees with some prescribed degree sequence.
Dadedzi Kenneth   +2 more
doaj   +1 more source

Finding the Zeros of a High-Degree Polynomial Sequence

open access: yesJournal of Optimization, Differential Equations and Their Applications, 2021
A 1-parameter initial-boundary value problem for a linear spatially 1-dimensional homogeneous degenerate wave equation, posed in a space-time rectangle, in case of strong degeneracy, was reduced to a linear integro-differential equation of convolution ...
Vladimir L. Borsch, Peter I. Kogut
doaj   +1 more source

Evaluation of Infrared Detector Response Characteristics Drift Based on Time Sequence [PDF]

open access: yesHangkong bingqi, 2023
The response characteristic drift of infrared detector seriously degrades the imaging quality and system performance. Aiming at the lack of effective evaluation index and difficulty in modeling and evaluating the response characteristic drift of infrared
Hu Ruolan, Shang Chao, Wang Jinchun, Peng Jing
doaj   +1 more source

Extremal trees with fixed degree sequence

open access: yes, 2021
The greedy tree G(D) and the M-tree M(D) are known to be extremal among trees with degree sequence D with respect to various graph invariants. This paper provides a general theorem that covers a large family of invariants for which G(D) or M(D) is ...
Andriantiana, Eric O. D.,   +5 more
core   +1 more source

Fully graphic degree sequences and P-stable degree sequences

open access: yesAdvances in Applied Mathematics
23 pages, 1 ...
Péter L. Erdös   +2 more
openaire   +4 more sources

Multi-switch: A tool for finding potential edge-disjoint 1-factors

open access: yesElectronic Journal of Graph Theory and Applications, 2021
Let n be even,  let π = (d1, ... , dn) be a graphic degree sequence, and let π - k = (d1-k, ... , dn-k) also be graphic.  Kundu proved that π has a realization G containing a k-factor, or k-regular graph.
Tyler Seacrest
doaj   +1 more source

Reciprocity of networks with degree correlations and arbitrary degree sequences [PDF]

open access: yesPhysical Review E, 2008
8 pages, 3 figures, added a new table and a new figure, accepted for publication in Phys.Rev ...
Zamora-Lopez, Gorka   +4 more
openaire   +4 more sources

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