Volume 86, (2011)

Research Article

On potentially \(K_{6}−C_{5}\) graphic sequences

Xu, Zhenghua; Lai, Chunhui

Util. Math. 86, 3-22 (2011).

Research Article

Rainbow connection numbers of complementary graphs

Li, Xueliang; Sun, Yuefang

Util. Math. 86, 23-31 (2011).

Research Article

A method to generate large classes of edge-antimagic trees

Bača, Martin; Semaničová-Feňevčíkova, Andrea; Shafiq, Muhammad Kashif

Util. Math. 86, 33-43 (2011).

Research Article

The spectrum of dihedral quadruoke systems

Anachuen, W.; Anachuen, N.; Plummer, M. D.

Util. Math. 86, 45-64 (2011).

Research Article

The spectrum of dihedral quadruple systems

Wang, Jian; Du, Beiliang

Util. Math. 86, 65-70 (2011).

Research Article

On the fixing number of graphs with abelian automorphism group

Bradley, J.; Dankelmann, P.; Erwin, D.; Rodrigues, B. G.

Util. Math. 86, 71-78 (2011).

Research Article

A characterization for a graphic sequence to have a realization containinga a desired cycle

Yin, Jian-Hua; Wang, Ye

Util. Math. 86, 79-86 (2011).

Research Article

Extremal university graphs with respect to modified Schultz index

Chen, Shubo; Liu, Weijun

Util. Math. 86, 87-94 (2011).

Research Article

Orthogonal polynomials via random variables

Withers, Christopher S.; Nadarajah, Saralees

Util. Math. 86, 95-114 (2011).

Research Article

On acrylic and unicyclic conjugated graphs with maximum Zagreb indices

Li, Shuchao; Zhao, Qin

Util. Math. 86, 115-128 (2011).

Research Article

Characterization of Roman domination critical unicyclic graphs

Hansberg, A.; Jafari Rad, N.; Volkmann, L.

Util. Math. 86, 129-146 (2011).

Research Article

On the super edge-magic deficiency of forests

Baig, A. Q.; Ahmad, Ali; Baskoro, Edy Tri; Simanjuntak, Rinovia

Util. Math. 86, 147-159 (2011).

Research Article

The sum number and the integral sum number of a generalization of the dancing version of the cocktail party graph

Wang, Haiying; Li, Chuantao

Util. Math. 86, 161-168 (2011).

Research Article

Regular relations and hyperideals in Hv-Γ-semigroups

Hedayati, H.; Davvaz, B.

Util. Math. 86, 169-182 (2011).

Research Article

Super edge-magic total labeling on w-trees

Javaid, M.; Hussain, M.; Ali, K.; Dar, K. H.

Util. Math. 86, 183-191 (2011).

Research Article

Trees with unique minimum p-dominating sets

Lu, You; Hou, Xinmin; Xu, Jun-Ming; Li, Ning

Util. Math. 86, 193-205 (2011).

Research Article

On the Laplacian spectral radius of cactuses with n vertices

Guo, Shu-Guang

Util. Math. 86, 207-216 (2011).

Research Article

On the maximal nullity of unicyclic graphs with fixed girth

Wang, Quingwen; Yu, Guihai

Util. Math. 86, 217-223 (2011).

Research Article

On some designs and codes invariant under the Higman-Sims group

Moori, Jamshid; Rodrigues, B. G.

Util. Math. 86, 225-239 (2011).

Research Article

On the maximum of generalized Stirling numbers

Corcino, Roberto B.; Corcino, Cristina B.

Util. Math. 86, 241-256 (2011).

Research Article

Vertex-neighbor-integrity of composition graphs of cycles

Wei, Zongtian

Util. Math. 86, 257-265 (2011).

Research Article

Restrained domination in complementary prisms

Desormeaux, Wyatt J.; Haynes, Teresa W.

Util. Math. 86, 267-278 (2011).

Research Article

On the first geometric-arithmetric index of product graphs

Fath-Tabar, G. H.; Hossein-Zadeh, S.; Hamzeh, A.

Util. Math. 86, 279-287 (2011).

Research Article

Edge-choosability of planar graphs without chordal 6-cycles

Ge, Liansheng; Cai, Jiansheng

Util. Math. 86, 289-296 (2011).

Research Article

Equipartite edge colouring of multigraphs

Gionfriddo, Mario; Amato, Alberto; Ragusa, Giorgio

Util. Math. 86, 297-304 (2011).

Research Article

Flow invariance of cycles and wheels under permutations

Shahmohamad, Hossein

Util. Math. 86, 305-312 (2011).

Research Article

On Sylow subgroups of BCI groups

Jin Wie; Liu, Weijun

Util. Math. 86, 313-320 (2011).

Research Article

The sum numbers and the integral sum number of the graph \(K_{n}∖E(P_{n}−1)\)

Wang, Haiying; Ji, Wang; Li, Chuantao; Wang, Qun

Util. Math. 86, 321-334 (2011).

Research Article

Nordhaus-Gaddum-type bounds for the rainbow vertex-connection number of a graph

Chen, Lily; Li, Xueliang; Liu, Mengmeng

Util. Math. 86, 335-340 (2011).

Research Article

Degree conditions for the partition of a graph into triangles and guadrilaterals

Zhang, Xin; Wu, Jian-Liang; Yan, Jin

Util. Math. 86, 341-346 (2011).

Research Article

On vertext-magic total labeling of some families of rotationally-symmetric graphs

Ahmad, Ali; Tomescu, Ioan

Util. Math. 86, 347-357 (2011).

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Call for papers

Special issue: Dynamical systems and differential equations in applied sciences
Guest editors: Renhai Wang, Mirelson Martins Freitas, Nguyen Huy Tuan
Submission deadline: 03 January 2026

Special Issues

The Combinatorial Press Editorial Office routinely extends invitations to scholars for the guest editing of Special Issues, focusing on topics of interest to the scientific community.