Volume XXXII, August, 1991

Research Article

Uniquely pseudointersectable graphs

Lim, Chong-Keang; Peng, Yee-Hock

Ars Comb. 32, 3-11 (1991).

Research Article

On simple Hamiltonian cycles in a 2-colored complete graph

Bialostocki, A.; Dierker, P.

Ars Comb. 32, 13-16 (1991).

Research Article

Anticlusters and intersecting families of sets and t-valued functions

Shastri, Aditya

Ars Comb. 32, 17-31 (1991).

Research Article

A family of n×n Tuscan-2 squares with n+1 composite

Anderson, B. A.

Ars Comb. 32, 33-55 (1991).

Research Article

The autotopism group of p-primitive semifield planes

Cordero-Vourtsanis, M.

Ars Comb. 32, 57-64 (1991).

Research Article

Chromatic classes of certain 2-connected (n,n+2)-graphs

Teo, K. L.; Koh, K. M.

Ars Comb. 32, 65-76 (1991).

Research Article

The intersections of commutative Latin squares

Fu, Chin-Mei; Fu, Hung-Lin; Guo, San-Huei

Ars Comb. 32, 77-96 (1991).

Research Article

On cycle graphs

Egawa, Yoshimi; Kano, Mikio; Tan, Evelyn L.

Ars Comb. 32, 97-113 (1991).

Research Article

On 3-(8,4,λ) designs

Khosrovshahi, G. B.; Vatan, F.

Ars Comb. 32, 115-120 (1991).

Research Article

Concrete graph covering projections

Hofmeister, M.

Ars Comb. 32, 121-128 (1991).

Research Article

On Latin triangles

Alves, C.; Gurganus, K.; McLaurin, S.; Smith, D.

Ars Comb. 32, 129-141 (1991).

Research Article

A doubling construction for overlarge sets of Steiner triple systems

Sharry, Martin J.; Street, Anne Penfold

Ars Comb. 32, 143-151 (1991).

Research Article

Nestings of directed cycle systems

Lindner, C. C.; Rodger, C. A.; Stinson, D. R.

Ars Comb. 32, 153-159 (1991).

Research Article

Trains: An invariant for one-factorizations

Dinitz, J. H.; Wallis, W. D.

Ars Comb. 32, 161-180 (1991).

Research Article

On Simmons’ ”Campaign graphs”

Grünbaum, Branko

Ars Comb. 32, 181-192 (1991).

Research Article

Row-complete Latin squares which are not column-complete

Cohen, Doron; Etzion, Tuvi

Ars Comb. 32, 193-201 (1991).

Research Article

On small faces in 4-critical planar graphs

Abbott, H. L.; Zhou, B.

Ars Comb. 32, 203-207 (1991).

Research Article

A construction of cordial graphs from smaller cordial graphs

Lee, S. M.; Liu, A.

Ars Comb. 32, 209-214 (1991).

Research Article

On exact minimal (1,5)-covers of thirteen points

Sane, S. S.; Shrikhande, M. S.

Ars Comb. 32, 215-219 (1991).

Research Article

On balanced graphs

Veerapandiyan, N.; Arumugam, S.

Ars Comb. 32, 221-223 (1991).

Research Article

Nuclear designs

Mendelsohn, Eric; Shalaby, Nabil; Shen, Hao

Ars Comb. 32, 225-238 (1991).

Research Article

Pairwise balanced designs with block sizes 5t+1

Ying, Miao; Zhu, Lie

Ars Comb. 32, 239-251 (1991).

Research Article

A greedy search for maximal partial spreads in PG(3,7)

Heden, Olof

Ars Comb. 32, 253-255 (1991).

Research Article

Extensions of graceful valuations of 2-regular graphs consisting of 4- gons

Abrham, Jaromir; Kotzig, Anton

Ars Comb. 32, 257-262 (1991).

Research Article

Abelian 3-DCI groups of even order

Fang, Xingui

Ars Comb. 32, 263-267 (1991).

Research Article

Edge clique graphs of some important classes of graphs

Raychaudhuri, Arundhati

Ars Comb. 32, 269-278 (1991).

Research Article

Cycles of all possible lengths in diregular bipartite tournaments

Wang, Jianzhong

Ars Comb. 32, 279-284 (1991).

Research Article

The interior of an m-convex set

Leader, Imre

Ars Comb. 32, 285-288 (1991).

Research Article

Generalizations of Hadwiger’s conjecture

Woodall, D. R.

Ars Comb. 32, 289-292 (1991).

Research Article

On convex hulls of graphs

Ruciński, Andrzej

Ars Comb. 32, 293-300 (1991).

Research Article

Some cyclic properties in bipartite digraphs with a given number of arcs

Manoussakis, Manolis; Manoussakis, Yannis

Ars Comb. 32, 301-310 (1991).

Research Article

A note on nonabelian (64,28,12) difference sets

Davis, J. A.

Ars Comb. 32, 311-314 (1991).

Research Article

A lemma in studying chromaticity

Xu, Shaoji

Ars Comb. 32, 315-318 (1991).

Research Article

The λ-designs with e1=4

Hou, Xiang-dong

Ars Comb. 32, 319-329 (1991).

Research Article

A series of BIB designs

Sinha, K.; Singh, M. K.

Ars Comb. 32, 331-333 (1991).

Research Article

A sufficient condition for Hamiltonian cycles in digraphs

Zhao, Lianchang; Meng, Jinghua

Ars Comb. 32, 335-338 (1991).

Research Article

Graphic subsequences

Choudum, S. A.

Ars Comb. 32, 339-344 (1991).

Research Article

Stability, total vertices and Hamiltonian cycles

Wojda, A. Pawel; Woźniak, Mariusz

Ars Comb. 32, 345-350 (1991).

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Guest editors: Peter J Cameron, Ambat Vijayakumar, Aparna Lakshmanan S

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