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Open Journal of Discrete Mathematics

ISSN Print: 2161-7635

ISSN Online: 2161-7643

Website: http://www.scirp.org/journal/ojdm

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Computing Bichromatic Triangle Polynomials via Edge Contraction

Julian Allagan, Gabrielle Morgan, Shawn Langley

On the Double Roman Domination in Spider Graphs

Wensheng Li, Zhongsheng Huang, Zhifang Feng

k-Product Cordial Labeling of Path Graphs

Robinson Santrin Sabibha, Kruz Jeya Daisy, Pon Jeyanthi, Maged Zakaria Youssef

Note on the Coalition Number of the dth Power of the n-Path

Qinglin Jia, Wenwei Zhao, Zhengyuan Jiang, Yongqiang Zhao

On the Number of Edges for Chessboard Graphs in Higher Dimensions

Paul A. Burchett

On the Monoid of All Order Preserving Full Contractions with a Fixed Set

Muhammad Mansur Zubairu, Zulyadaini D. Lawan

Decomposing Even Integers into Prime and Composite Parts

Seonghwan Yang

The First Zagreb Index, the Independence Number and Some Hamiltonian Properties of Graphs

Rao Li

The V22r-1 of PG (2r, q) as a Representation of PG (2, q) : Sections and Partitions

Rita Vincenti

Algorithm for Visualization of Zero Divisor Graphs of the Ring ℤn Using MAPLE Coding

Nasir Ali

AAK Theorem and a Design of Multidimensional BIBO Stable Filters

Bossoto Bossoto, Gabriel Bissanga

Subplanes of PG( 2, q 3 ) and the Ruled Varieties V 2 5 of PG( 6,q )

Rita Vincenti

The Goldbach Conjecture Is True

Jie Hou

Perfect 1-k Matchings of Bipartite Graphs

Wenduan Dai, Yan Liu, Yanfang Wu

Subplanes of PG(2,qr), Ruled Varieties V2r-12？？？？in？PG( 2r,q), and Related Codes

Rita Vincenti

Complexity of Injective Homomorphisms to Small Tournaments, and of Injective Oriented Colourings

Russell J. Campbell, Nancy E. Clarke, Gary MacGillivray

Rupture Degree of Some Cartesian Product Graphs

Yinkui Li, Tingyi Zhu

The g-Good-Neighbor Connectivity of Some Cartesian Product Graphs

Yinkui Li, Ting Xie, Xiaoxiao Qin

Genome Sequencing Using Graph Theory Approach

Shepherd Chikomana, Xiaoxue Hu

A Relationship between the Partial Bell Polynomials and Alternating Run Polynomials

Yanan Feng, Zhe Wang

A Remark on the Characterization of Triangulated Graphs

Hatem Najar, Riadh Gargouri

A Novel Design Method for Protein-Like Molecules from the Perspective of Sheaf Theory

Naoto Morikawa

Solving the k-Independent Sets Problem of Graphs by Gr？bner Bases

Junyu Luo, Shengzhen Ding

New Results on One Modulo N-Difference Mean Graphs

Pon Jeyanthi, Meganathan Selvi, Damodaran Ramya

Cycle Multiplicity of Total Graph of Complete Bipartite Graph

Ganghua Xie, Yinkui Li

Geodetic Number and Geo-Chromatic Number of 2-Cartesian Product of Some Graphs

Medha Itagi Huilgol, B. Divya

Acute Triangulations of the Surface of Circular Cone

Xiao Feng, Penghao Cao, Zhikui Chang

3-Anti-Circulant Digraphs Are α-Diperfect and BE-Diperfect

Lucas I. B. Freitas, Orlando Lee

Discrete Exterior Calculus of Proteins and Their Cohomology

Naoto Morikawa

N-Set Distance-Labelings for Cycle Graphs

Alissa Shen, Jian Shen

On (t, r) Broadcast Domination of Directed Graphs

Pamela E. Harris, Peter Hollander, Erik Insko

Restabilization Process in Matching Markets with Workers Proposing

Millán Beatriz

A Decomposition of a Complete Graph with a Hole

Roxanne Back, Alejandra Brewer Castano, Rachel Galindo, Jessica Finocchiaro

Tiling a Plane with Semi-Regular Equilateral Polygons with 2m-Sides

Nenad Stojanovic

Cordial Labeling of Corona Product of Path Graph and Second Power of Fan Graph

Ashraf Ibrahim Hefnawy Elrokh, Shokry Ibrahim Mohamed Nada, Eman Mohamed El-Sayed El-Shafey

A Note on n-Set Distance-Labelings of Graphs

Roger K. Yeh

A Small Correction to a Paper of Vandermonde

Matthew Davis, Shiv K. Gupta

Markov Models for the Tipsy Cop and Robber Game on Graph

Viktoriya Bardenova, Vincent Ciarcia, Erik Insko

On the Number of Idempotent Partial Contraction Mappings of a Finite Chain

Oladapo Adekunle Ojo, Fatma Salim Ali Al-Kharousi, Abdullahi Umar

Rational Points on Genus 3 Real Hyperelliptic Curves

Brice M. Miayoka, Regis F. Babindamana, Basile G. R. Bossoto

The Generalization of Signed Domination Number of Two Classes of Graphs

Xia Hong, Guoyan Ao, Feng Gao

Infinite Sets of Related b-wARH Pairs

Catalin Nitica, Viorel Nitica

Some Results on Cordial Digraphs

Mohammed M. Ali Al-Shamiri, Shokry I. Nada, Ashraf I. Elrokh, Yasser Elmshtaye

Improved Approximation of Layout Problems on Random Graphs

Kevin K. H. Cheung, Patrick Girardet

The Number of Minimum Roman and Minimum Total Dominating Sets for Some Chessboard Graphs

Paul A. Burchett

The Signed Domination Number of Cartesian Product of Two Paths

Mohammad Hassan, Muhsin Al Hassan, Mazen Mostafa

Unique Efficient Dominating Sets

Isaac Reiter, Ju Zhou

Partitioning of Any Infinite Set with the Aid of Non-Surjective Injective Maps and the Study of a Remarkable Semigroup

Charif Harrafa

Full-Rank Factoring of Elementary 2-Groups with Equal Size Factors

Sándor Szabó

Infinite Sets of Solutions and Almost Solutions of the Equation N⋅M = reversal(N⋅M) II

Viorel Nitica, Cem Ekinci

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