Results 11 to 20 of about 837,200 (246)

The H-Line Signed Graph Of A Signed Graph [PDF]

open access: yes, 2010
For standard terminology and notion in graph theory we refer the reader to Harary; the non-standard will be given in this paper as and when required. We treat only finite simple graphs without self loops and isolates.
Rangarajan, R.   +2 more
openaire   +4 more sources

COMMON-EDGE SIGNED GRAPH OF A SIGNED GRAPH [PDF]

open access: yesJournal of the Indonesian Mathematical Society, 2010
A Smarandachely k-signed graph (Smarandachely k-marked graph) is anordered pair....DOI : http://dx.doi.org/10.22342/jims.16.2.34.105 ...
P. Siva Kota Reddy   +2 more
core   +4 more sources

Signed Graph Unlearning

open access: yesICASSP 2026 - 2026 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
The proliferation of signed networks in contemporary social media platforms necessitates robust privacy-preserving mechanisms. Graph unlearning, which aims to eliminate the influence of specific data points from trained models without full retraining, becomes particularly critical in these scenarios where user interactions are sensitive and dynamic ...
Zhifei Luo   +3 more
openaire   +3 more sources

Signed graph coloring [PDF]

open access: yesDiscrete Mathematics, 1982
AbstractColoring a signed graph by signed colors, one has a chromatic polynomial with the same enumerative and algebraic properties as for ordinary graphs. New phenomena are the interpretability only of odd arguments and the existence of a second chromatic polynomial counting zero-free colorings. The generalization to voltage graphs is outlined.
Zaslavsky, Thomas
openaire   +3 more sources

The common minimal dominating signed graph [PDF]

open access: yesTransactions on Combinatorics, 2012
In this paper, we define the common minimal dominating signedgraph of a given signed graph and offer a structuralcharacterization of common minimal dominating signed graphs. Inthe sequel, we also obtained switching equivalencecharacterizations: $overline{
P. Siva Reddy, B. Prashanth
doaj   +1 more source

Application of signed graph in amino acid network [PDF]

open access: yesNetwork Biology
This article is aimed to construct a model related to protein structure and amino acids viz., Brandstein and Tooze's condition. To study Brandstein and Tooze's condition we have considered signed graph in amino acids.
Adil Akhtar, Nasrin Irshad Hussain
doaj   +2 more sources

Computing the determinant of a signed graph

open access: yesOpen Mathematics
A signed graph is a simple graph in which every edge has a positive or negative sign. In this article, we employ several algebraic techniques to compute the determinant of a signed graph in terms of the spectrum of a vertex-deleted subgraph.
Alshamary Bader, Stanić Zoran
doaj   +2 more sources

Total Minimal Dominating Signed Graph [PDF]

open access: yes, 2010
Cartwright and Harary considered graphs in which vertices represent persons and the edges represent symmetric dyadic relations amongst persons each of which designated as being positive or negative according to whether the nature of the relationship is ...
Reddy, Siva Kota, Vijay, S.
core   +1 more source

Signed Graph Equation [PDF]

open access: yes, 2009
For standard terminology and notion in graph theory we refer the reader to Harary [7]; the non-standard will be given in this paper as and when required.
Reddy, P. Siva Kota   +3 more
core   +1 more source

Singed Total Domatic Number of a Graph [PDF]

open access: yes, 2010
The maximum number of functions in a signed total dominating family on G is the signed total domatic number of G. In this paper, some properties related signed total domatic number and signed total domination number of a graph are studied and found the ...
Shailaja S. Shirkol   +2 more
core   +1 more source

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