Volume XIII, April, 1982

Research Article

Some elementary isonemal binary matrices

Hoskins, J. A.; Hoskins, W. D.; Street, Anne Penfold; Stanton, R. G.

Ars Comb. 13, 3-38 (1982).

Research Article

A lower bound for maximal partial spreads in PG(3,q)

Glynn, David G.

Ars Comb. 13, 39-40 (1982).

Research Article

Range of diameters in a graph and its bipartite complement

Gangopadhyay, T.

Ars Comb. 13, 41-53 (1982).

Research Article

A necessary but insufficient condition for pseudo-similar vertices

Kocay, W. L.

Ars Comb. 13, 55-60 (1982).

Research Article

Packings and coverings by triples

Stanton, R. G.; Rogers, M. J.

Ars Comb. 13, 61-69 (1982).

Research Article

Some crowded room rectangles

Kramer, Earl S.; Kreher, Donald L.; Mesner, Dale M.

Ars Comb. 13, 71-85 (1982).

Research Article

Multipartite self-complementary graphs

Gangopadhyay, T.; Hebbare, S. P. Rao

Ars Comb. 13, 87-114 (1982).

Research Article

The existence of certain Room graphs

Dinitz, J. H.

Ars Comb. 13, 115-128 (1982).

Research Article

Cycles through specified vertices in k-connected regular graphs

Holton, D. A.

Ars Comb. 13, 129-143 (1982).

Research Article

Maximal incidence algebras

de Gopi, B. C.

Ars Comb. 13, 145-147 (1982).

Research Article

Trains: An invariant for Steiner triple systems

Colbourn, Marlene J.; Colbourn, Charles J.; Rosenbaum, Wilf L.

Ars Comb. 13, 149-162 (1982).

Research Article

Hyperplanes and balanced Howell rotations

Anderson, B. A.

Ars Comb. 13, 163-168 (1982).

Research Article

Bases of additive permutations with the minimum number of negative elements

Abrham, Jaromir; Kotzig, Anton

Ars Comb. 13, 169-179 (1982).

Research Article

On d-graceful graphs

Maheo, M.; Thuillier, H.

Ars Comb. 13, 181-192 (1982).

Research Article

A simple proof of Perfect’s theorem

Murty, U. S. R.

Ars Comb. 13, 193-194 (1982).

Research Article

Some results on t-complete designs

Saha, G. M.; Pesotan, H.; Raktoe, B. L.

Ars Comb. 13, 195-201 (1982).

Research Article

Rotational triple systems

Cho, Chung Je

Ars Comb. 13, 203-209 (1982).

Research Article

A direct construction for some Howell designs of side 6p, p>5 an odd prime power

Schellenberg, P. J.

Ars Comb. 13, 211-219 (1982).

Research Article

On a problem of Deza and Frankl

Fueredi, Z.

Ars Comb. 13, 221-222 (1982).

Research Article

Maximal bipartite subgraphs

Hopkins, Glenn; Staton, William

Ars Comb. 13, 223-226 (1982).

Research Article

A note on directed packings of pairs into triples

Skillicorn, David B.

Ars Comb. 13, 227-229 (1982).

Research Article

Restricted Di-spaces. Part I

Thas, J. A.; Willems, M. L. H.

Ars Comb. 13, 231-247 (1982).

Research Article

Restricted Di-spaces. II

Willems, M. L. H.; Thas, J. A.

Ars Comb. 13, 249-263 (1982).

Research Article

Restricted Li-spaces. Part I

Willems, M. L. H.; Thas, J. A.

Ars Comb. 13, 265-280 (1982).

Research Article

Restricted Li-spaces. II

Thas, J. A.; Willems, M. L. H.

Ars Comb. 13, 281-297 (1982).

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

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