Some new identities for Catalan polynomials
Clapperton, James A.; Larcombe, Peter J.; Fennessey, Eric J.
Util. Math. 80, 3-10 (2009).
On oscillation of certain second order damped differential equations
Xu, Zhiting
Util. Math. 80, 11-23 (2009).
An alternative enumeration of self-complementary graphs
Nakamoto, Atsuhiro; Shirakura, Teruhiro; Tazawa, Shinsei
Util. Math. 80, 25-32 (2009).
On potentially \(3\)-regular graph graphic sequences
Hu, Lili; Lai, Chunhui
Util. Math. 80, 33-51 (2009).
differentiation and harmonic numbers
Mortenson, Eric
Util. Math. 80, 53-57 (2009).
The sum \(16^n\sum_{k=0}^{2n} 4^k\binom{\frac 12}{k} \binom{-\frac 12}{k} \binom{-2k}{2n-k}\): a third proof of its closed form
Gessel, Ira M.; Larcombe, Peter J.
Util. Math. 80, 59-63 (2009).
Discussion on the (partial)Grundy and \(b\)-chromatic numbers of graphs
Effantin, B.; Kheddouci, H.
Util. Math. 80, 65-89 (2009).
New upper bounds for vertex Folkman numbers \(F_v(3,k;k+1)\)
Shao, Zehui; Pan, Linqiang; Xu, Xiaodong
Util. Math. 80, 91-96 (2009).
Towards a theory of \(⟨r,s⟩\)-domination in graphs
Cockayne, E. J.
Util. Math. 80, 97-113 (2009).
Extremal graphs without four-cycles or five-cycles
Sun, Yongqi; Lin, Xiaohui; Yang, Yuansheng; Shi, Lei
Util. Math. 80, 115-130 (2009).
Chord-set subgraphs of chordal graphs
McKee, Terry A.
Util. Math. 80, 131-141 (2009).
Existence of generalized Howell designs of side \(n+1\) and order \(3n\)
Wang, Changyuan; Du, Beiliang
Util. Math. 80, 143-159 (2009).
Generalized LCM-product function
Shonhiwa, Temba
Util. Math. 80, 161-170 (2009).
Averaging and bounding holonomic constraints: applications to “unsolvable” pendulum problems
Gregory, John
Util. Math. 80, 171-181 (2009).
A new class of graceful lobsters obtained from diameter four trees
Mishra, Debdas; Panigrahi, Pratima
Util. Math. 80, 183-209 (2009).
About b-colouring of regular graphs
Sahili, Amine El; Kouider, Mekkia
Util. Math. 80, 211-215 (2009).
Some inequalities on vertex degrees, eigenvalues, and Laplacian eigenvalues of graphs
Li, Rao
Util. Math. 80, 217-224 (2009).
Maximal independent sets in trees with large maximum degree
Jin, Zemin; Liang, Xiaoying; Liu, Xuezi
Util. Math. 80, 225-231 (2009).
On potentially \(K_{r+1}-U\)-graphical sequences
Lai, Chunhui; Yan, Guiying
Util. Math. 80, 233-244 (2009).
On the characteristic polynomial of starlike trees
Camacho, Franklin; Rada, Juan
Util. Math. 80, 245-261 (2009).
Fault-tolerance in resolvability
Javaid, Imran; Salman, Muhammad; Chaudhry, Muhammad Anwar; Shokat, Sara
Util. Math. 80, 263-275 (2009).
On a method to construct magic rectangles of even order
De Los Reyes, J. P.; Das, Ashish; Midha, Chand K.; Vellaisamy, P.
Util. Math. 80, 277-284 (2009).
