- (with M.A. Khan)
On sums of products of Fibonacci-type recurrences,
*Fibonacci Quart.*,**52**(2014), 20-26. - (with Jocelyn Quaintance)
A combinatorial interpretation of the Catalan and Bell number
difference tables,
*Integers*,**13**(2013), #A29. - (with Philip Kidder)
Remarks on integer palindromes,
*J. Recreat. Math.*,**36**(2007, published in 2012), 299-306. - (with Sin-Min Lee, Sheng-Ping Lo, Hsin-Hao Su and Yung-Chin Wang)
On uniformly balanced graphs,
*Australas. J. Combin.*,**53**(2012), 83-95. - (with Sin-Min Lee and Ho Kuen Ng)
On product-cordial and friendly index sets of 2-regular graphs and
generalized wheels,
*Acta Math. Sinica (English Seris)*,**28**(2012), 661-674. - (with W.C. Shiu)
Product-cordial index and friendly index of regular graphs,
*Trans. Combin.*,**1**(2012), 15-20. -
Evaluating simultaneous integrals,
*PRIMUS*,**22**(2012), 10-13. - (with Sin-Min Lee)
On edge-balance index sets of flower graphs,
*Bull. Inst. Combin. Appl.*,**62**(2011), 107-116. - (with Man C. Kong, Sin-Min Lee and Herbert A. Evans)
On balance index sets of generalized wheels,
*J. Combin. Math. Combin. Comput.*,**78**(2011), 65-74. - (with Sin-Min Lee and Yung-Chin Wang)
On friendly index sets of (
*p*,*p*+1)-graphs,*J. Combin. Math. Combin. Comput.*,**78**(2011), 3-14. - (with M.A. Khan)
Some binomial identities associated with the generalized natural
number sequence,
*Fibonacci Quart.*,**49**(2011), 57-65. - (with Sin-Min Lee and Ho Kuen Ng)
On product-cordial index sets of cylinders,
*Congr. Numer.*,**206**(2010), 139-150. -
On recurrences of Fahr and Ringel: an alternate approach,
*Fibonacci Quart.***48**(2010), 363-365. - (with Jocelyn Quaintance)
Permutations and combinations of colored multisets,
*J. Integer Seq.***13**(2010), Article 10.2.6. -
(with Sin-Min Lee),
On edge-balance index sets of generalized theta graphs,
*Congr. Numer.***198**(2009), 157-168. -
(with Wai Chee Shiu)
An algebraic approach for finding balance index sets,
*Australas. J. Combin.***45**(2009), 139-155. -
(with Sin-Min Lee, Sheng-Ping Bill Lo, Hsin-Hao Su and Yung-Chin
Wang)
On balance index sets of L-Products with cycles and complete graphs,
*J. Combin. Math. Combin. Comput.***70**(2009), 85-96. -
On balance index sets of rooted trees,
*Ars Combin.***91**(2009), 373-382. -
(with Sin-Min Lee and Ho Kuen Ng)
On friendly index sets of 2-regular graphs,
*Discrete Math.***308**(2008), 5522-5532. -
(with Sin-Min Lee and D.G. Sarvate),
On balance index sets of one-point unions of graphs,
*J. Combin. Math. Combin. Comput.***66**(2008), 113-127. -
(with Sin-Min Lee),
On friendly index sets of generalizaed books,
*J. Combin. Math. Combin. Comput.***66**(2008), 43-58. -
(with Wai Chee Shiu),
Full friendly index sets of
*P*,_{2}× P_{n}*Discrete Math.***308**(2008), 3688-3693. -
(with Sin-Min Lee),
On balance index sets of chain sum and amalgamation of generalized
theta graphs,
*Congr. Numer.***187**(2007), 21-32. -
Two determinants with Fibonacci and Lucas entries,
*Applied Math. Comput.***194**(2007), 568-571. -
(with Sin-Min Lee)
On
*Q(a)P(b)*-super edge-gracefulness of hypercubes,*J. Combin. Math. Combin. Comput.***62**(2007), 25-34. -
(with Sin-Min Lee)
On edge-magic
*(p,3p-1)*-graphs,*Congr. Numer.***179**(2006), 49-63. -
(with Sin-Min Lee)
On the integer-magic spectra of the corona of two graphs,
*Congr. Numer.***174**(2005), 207-222. -
(with M.A. Khan)
Arithmetic progressions with square entries,
*Fibonacci Quart.***43**(2005), 98-103. -
(with Amitabha Tripathi)
Some necessary conditions for a real polynomial to have only real
roots,
*Crux Mathematicorum with Mathematical Mayhem***30**(2004), 102-105. -
Number of matchings in an
*n*-octahedron,*Bull. Inst. Combin. Appl.***21**(1997), 46-48 . - (with David Kuo and Gerard J. Chang)
Cordial labeling of
*mK*,_{n}*Discrete Math.***169**(1997), 121-131. - (with M.A. Khan)
Some invariant and minima properties of Stirling numbers of the seond
kind,
*Fibonacci Quart.***33**(1995), 203-205. - (with H. Joseph Straight)
An extremal problem involving neighborhood numbers,
in
*Graph Theory, Combinatorics, and Applications: Proceedings of the Seventh Quadrennial International Conference on the Theory and Applications of Graphs, Volume 2*, 1101-1109, edited by Y. Alavi and A. Schwenk, John Wiley and Sons, New York, 1995. - (with David K. Garnick and Felix Lazebnik)
Algoritmic search for extremal graphs of girth at least five,
in
*Graph Theory, Combinatorics, and Applications: Proceedings of the Seventh Quadrennial International Conference on the Theory and Applications of Graphs, Volume 2*, 697-709, edited by Y. Alavi and A. Schwenk, John Wiley and Sons, New York, 1995. - (with D.G. Rogers)
A matrix method for counting Hamiltonian cycles on grid graphs,
*Europ. J. Combin.***15**(1994), 277-283. - (with David K. Garnick and Felix Lazebnik)
Extremal graphs without three-cycles or four-cycles,
*J. Graph Theory***17**(1993), 633-645. -
Enumeration of Hamiltonian cycles in
*P*and_{4}× P_{n}*P*,_{5}× P_{n}*Ars Combin.***33**(1992), 259-268. - (with S.R. Jayaram and H. Joseph Straight)
Neighborhood sets in graphs,
*Indian J. Pure Appl. Math.***22**(1991), 259-268. - (with Ratko To\v{s}i\'{c}, Olga Bodro\v{z}a and
H. Joseph Straight)
On the number of Hamiltonian cycles of
*P*,_{4}× P_{n}*Indian J. Pure Appl. Math.***21**(1990), 403-409. -
Minimum periods of binomial coefficients modulo
*M*,*Fibonacci Quart.***27**(1989), 348-351. -
Minimum periods of
*S(n,k)*modulo*M*,*Fibonacci Quart.***27**(1989), 217-221. -
Minimum periods of partition functions modulo
*M*,*Utilitas Math.***35**(1989), 3-8. -
Periodicities of a class of infinite integer sequences modulo
*M*,*J. Number Theory***31**(1989), 64-79.

- (with David K. Garnick and Felix Lazebnik)
*Extremal Graphs of Girth Five*, Research Report 93-1, Department of Mathematical Sciences, University of Delaware, Newark, Delaware, February 1993. - (with David K. Garnick and Felix Lazebnik)
*Graphs without Three-Cycles or Four-Cycles for each Order from 25 to 200*, Research Report 91-2, Department of Computer Science, Bowdoin College, Brunswick, Maine, August 1991.

Last modified March 18, 2014.