Volume XXXV, April, 1993

Research Article

There are exactly two nonequivalent [20,5,12;3]-codes

Hamada, Noboru; Helleseth, Tor; Ytrehus, Øyvind

Ars Comb. 35, 3-14 (1993).

Research Article

Effect of cardinality and frequency restrictions on the hitting set and vertex cover problems

Kountanis, Dionysios; Liu, Jiuqiang; Williams, Kenneth

Ars Comb. 35, 15-24 (1993).

Research Article

The nonexistence of [51,5,33;3]-codes

Hamada, Noboru; Helleseth, Tor; Ytrehus, Øyvind

Ars Comb. 35, 25-32 (1993).

Research Article

Packing and covering of the complete graph. IV: The trees of order seven

Roditty, Y.

Ars Comb. 35, 33-64 (1993).

Research Article

Cyclic and rotational oriented triple systems

Micale, Biagio; Pennisi, Mario

Ars Comb. 35, 65-68 (1993).

Research Article

The factor-indices of complete n-partite graphs

Peng, Y. H.; Chen, C. C.; Koh, K. M.

Ars Comb. 35, 69-83 (1993).

Research Article

Announcement: On the Ramsey numbers R(4,6), R(5,6) and R(3,12)

Exoo, Geoffrey

Ars Comb. 35, 85 (1993).

Research Article

On coverings of the complete graph with 4 vertices

Ewen, R.; Hofmeister, M.

Ars Comb. 35, 87-96 (1993).

Research Article

On decomposition of graphs into nonisomorphic independent sets

Caro, Y.; Roditty, Y.

Ars Comb. 35, 97-102 (1993).

Research Article

On the construction of large sets of disjoint group-divisible designs

Chen, D.; Stinson, D. R.

Ars Comb. 35, 103-115 (1993).

Research Article

Subdesigns in complementary path decompositions and incomplete two-fold designs with block size four

Rees, Rolf; Rodger, C. A.

Ars Comb. 35, 117-122 (1993).

Research Article

Another theorem on families of sets

Lindstrom, Bernt

Ars Comb. 35, 123-124 (1993).

Research Article

More on order 10 turn-squares

Brown, John Wesley; Parker, E. T.

Ars Comb. 35, 125-127 (1993).

Research Article

A new class of orthogonal designs

Kharaghani, H.

Ars Comb. 35, 129-134 (1993).

Research Article

Permutation hypertrees in probability

Hoppe, Fred M.; Grable, David A.

Ars Comb. 35, 135-142 (1993).

Research Article

On the game chromatic number of some classes of graphs

Faigle, U.; Kern, U.; Kierstead, H.; Trotter, W. T.

Ars Comb. 35, 143-150 (1993).

Research Article

The number of rooted maps with a fixed number of vertices

Gao, Zhicheng

Ars Comb. 35, 151-159 (1993).

Research Article

On packings of pairs by quintuples: v≡3, 9 or 17 (mod 20)

Mullin, R. C.; Yin, J.

Ars Comb. 35, 161-171 (1993).

Research Article

Algebraic equivalence of signed graphs with all eigenvalues ≥−2

Vijayakumar, G. R.

Ars Comb. 35, 173-191 (1993).

Research Article

Distribution properties of induced subgraphs of trees

Baron, Gerd; Drmota, Michael

Ars Comb. 35, 193-213 (1993).

Research Article

Truncations of the Pascal triangle and weighted-product theorems

Perfect, Hazel

Ars Comb. 35, 215-224 (1993).

Research Article

Cyclic Mendelsohn quadruple systems

Micale, B.; Pennisi, M.

Ars Comb. 35, 225-235 (1993).

Research Article

Blocking sets in G-designs

El-Zanati, Saad I.; Rodger, C. A.

Ars Comb. 35, 237-251 (1993).

Research Article

On the closure of a graph with cut vertices

Wong, Pak-Ken

Ars Comb. 35, 253-256 (1993).

Research Article

On small triangle-free graphs

Hanson, Denis; MacGillivray, Gary

Ars Comb. 35, 257-263 (1993).

Research Article

Complementary cycles containing a fixed arc and a fixed vertex in bipartite tournaments

Zhang, Ke Min; Wang, Jianzhong

Ars Comb. 35, 265-269 (1993).

Research Article

Ramsey numbers for monotone paths and cycles

Lefmann, Hanno

Ars Comb. 35, 271-279 (1993).

Research Article

Two sufficient conditions for pancyclic graphs

Liu, Zhenhong; Jin, Guoping; Wang, Changfan

Ars Comb. 35, 281-290 (1993).

Research Article

A planar poset which requires four pages

Le Tu Quoc Hung

Ars Comb. 35, 291-302 (1993).

Research Article

Almost resolvable BIBDs with block-size 5 or 6

Yin, Jianxing; Miao, Ying

Ars Comb. 35, 303-313 (1993).

Research Article

Group divisible designs with equal-sized holes

Wei, Ruizhong

Ars Comb. 35, 315-323 (1993).

Research Article

On the decomposition of graphs into copies of P3∪tK2

Priesler, Miri; Tarsi, Michael

Ars Comb. 35, 325-333 (1993).

Research Article

Sum graphs from trees

Ellingham, M. N.

Ars Comb. 35, 335-349 (1993).