Volume 89, (2012)

Research Article

Minimal energy trees of given bipartition and diameter

Liu, Zhongzhu; Zhou, Bo

Util. Math. 89, 3-13 (2012).

Research Article

Existence of optimal restricted strong partially balanced designs

Liang, Miao; Du, Beiliang

Util. Math. 89, 15-31 (2012).

Research Article

Hamiltonicity in directed Toeplitz graphs of maximum (out or in) degree 4

Malik, Shabnam

Util. Math. 89, 33-68 (2012).

Research Article

On vertex irregular total labelings of convex polytope graphs

Ahmad, Ali

Util. Math. 89, 69-78 (2012).

Research Article

Changing and unchanging the roman domination number of graph

Jafari Rad, Nader; Volkmann, Lutz

Util. Math. 89, 79-95 (2012).

Research Article

On determinants and permanents of k-tridiagonal Toeplitz matrices

Aşci, Mustafa; Taşci, Dursun; El-Mikkawy, Moawwad

Util. Math. 89, 97-106 (2012).

Research Article

BBP-type formulae modulo 5

Zhang, Wenlong; Song, He-Shan

Util. Math. 89, 107-112 (2012).

Research Article

Bell polynomials for sums and products with applications to derivatives of functions of trigonometric and hyperbolic functions

Withers, Christopher S.; Nadarajah, Saralees

Util. Math. 89, 113-127 (2012).

Research Article

A characterization for a sequence to be potentially \({K_{r+1}−E(P2),K−2r+1}\)-graphic

Wang, Ye; Yin, Jian-Hua

Util. Math. 89, 129-139 (2012).

Research Article

Connected domination: vertex criticality and matchings

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

Util. Math. 89, 141-159 (2012).

Research Article

The Laplacian spectral radius of a class of bipartite graphs

Tan, Xuezhong; Liu, Bolian

Util. Math. 89, 161-167 (2012).

Research Article

On super edge-magic total labeling on subdivision of trees

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

Util. Math. 89, 169-177 (2012).

Research Article

The multiplication formulas for the Apostol-Genocchi polynomials

Luo, Qiu-Ming

Util. Math. 89, 179-191 (2012).

Research Article

On fractional \((k,m)\)-deleted graphs

Zhou, Sizhong

Util. Math. 89, 193-201 (2012).

Research Article

Some results on \((g,f)\)-uniform graphs

Cai, Jiansheng; Ge, Liansheng

Util. Math. 89, 203-210 (2012).

Research Article

Graphs such that all minimum dominating sets intersect all maximally independent sets

Johnson, Peter D. jun.; Prier, D. R.

Util. Math. 89, 211-224 (2012).

Research Article

Multiplication modules and principal elements of modules over noncommutative rings

Sevim, Esra Sengelen

Util. Math. 89, 225-235 (2012).

Research Article

Some optimal codes and strongly regular graphs from the linear group \(L_{4}(3)\)

Crnković, Dean; Mikulić Crnković, Vedrana; Rodrigues, B. G.

Util. Math. 89, 237-255 (2012).

Research Article

Hall numbers of some complete k-partite graphs

Allagan, Julian A.

Util. Math. 89, 257-267 (2012).

Research Article

On longest paths in triangular lattice graphs

Dino Jumani, Ali; Zamfirescu, Tudor

Util. Math. 89, 269-273 (2012).

Research Article

Necessary conditions on graceful labels: a study case on trees and other examples

Vietri, Andrea

Util. Math. 89, 275-287 (2012).

Research Article

Centralizer of braids and Fibonacci numbers

Ali, Usman; Haider, Azeem

Util. Math. 89, 289-296 (2012).

Research Article

The Hankel transform of generalized Bell numbers and its q-analogue

Corcino, Roberto B.; Corcino, Cristina B.

Util. Math. 89, 297-309 (2012).

Research Article

On the gracefulness of the digraphs \(n−C_{21}\)

Jinsiqintuya; Jirimutu

Util. Math. 89, 311-318 (2012).

Research Article

Merrifield-Simmons index of a class of unicyclic graphs

Chen, Shubo; Liu, Weijun

Util. Math. 89, 319-329 (2012).

Research Article

On the nonplanarity of powers of paths

Chartrand, Gary; Fujie, Futaba; Zhang, Ping

Util. Math. 89, 331-341 (2012).

Research Article

The first six quasi-trees with greatest Randić index

Bao, Qi; Lu, Mei

Util. Math. 89, 343-356 (2012).

Research Article

Some \(C_{3}\)-supermagic graphs

Jeyanthi, P.; Selvagopal, P.; Sundaram, S. Soma

Util. Math. 89, 357-366 (2012).

Research Article

The set of fuzzy points of coalgebras

Chen, Wenjuan; Guan, Yanyong

Util. Math. 89, 367-371 (2012).

Research Article

On super edge-magicness of graphs

Ahmad, Ali; Baig, A. Q.; Imran, Muhammad

Util. Math. 89, 373-380 (2012).

E-mail Alert

Add your e-mail address to receive upcoming issues of Utilitas Mathematica

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. We actively encourage proposals from our readers and authors, directly submitted to us, encompassing subjects within their respective fields of expertise. The Editorial Team, in conjunction with the Editor-in-Chief, will supervise the appointment of Guest Editors and scrutinize Special Issue proposals to ensure content relevance and appropriateness for the journal. To propose a Special Issue, kindly complete all required information for submission;