Volume IV, August, 1977

Research Article

Arcs in block designs

Morgan, Elizabeth J.

Ars Comb. 4, 3-16 (1977).

Research Article

Approximation to a self-orthogonal latin square of order 6

Heinrich, Katherine

Ars Comb. 4, 17-24 (1977).

Research Article

Isomorphism classes of some small block designs

Morgan, Elizabeth J.

Ars Comb. 4, 25-35 (1977).

Research Article

Block structure properties in combinatorial problems

Bush, K. A.

Ars Comb. 4, 37-41 (1977).

Research Article

Orthogonal designs in powers of two

Robinson, Peter J.; Seberry, Jennifer

Ars Comb. 4, 43-57 (1977).

Research Article

On a conjecture concerning generalized room squares

Schellenberg, P. J.; Taylor, Judy

Ars Comb. 4, 59-68 (1977).

Research Article

On the existence of a traceable graph with prescribed vertex degrees

Schmeichel, E. F.; Hakimi, S. L.

Ars Comb. 4, 69-80 (1977).

Research Article

Characterizing cliques in hypergraphs

Erdős, Paul; Rothschild, B. L.; Singhi, N. M.

Ars Comb. 4, 81-118 (1977).

Research Article

The Ramsey number of many stars and one triangle

Burr, Stefan A.; Harary, Frank

Ars Comb. 4, 119-122 (1977).

Research Article

Some lower bounds on the size of Doehlert-Klee designs

Stanton, R. G.; Vanstone, S. A.

Ars Comb. 4, 123-131 (1977).

Research Article

Small sprawling systems of equicardinal sets

Ganter, Bernhard; Pelikan, Jozsef; Teirlinck, Luc

Ars Comb. 4, 133-142 (1977).

Research Article

Critical full block (7,1) designs

Bate, J. A.; Mullin, R. C.; Nemeth, E.; Stanton, R. G.

Ars Comb. 4, 143-149 (1977).

Research Article

Covering theorems for finite nonabelian simple groups. IX: How the square of a class with two nontrivial orbits in Sn covers An

Brenner, J. L.

Ars Comb. 4, 151-176 (1977).

Research Article

Rotational Steiner quadruple systems

Phelps, K. T.

Ars Comb. 4, 177-186 (1977).

Research Article

Characterization of extremal graphs of diameter 4-I

Caccetta, L.

Ars Comb. 4, 187-224 (1977).

Research Article

Stabilization and the edgesum problem

Harper, L. H.

Ars Comb. 4, 225-270 (1977).

Research Article

Subtrees of a tree that form a König system

Slater, Peter J.

Ars Comb. 4, 271-283 (1977).

Research Article

A partition system

Cameron, P. J.; Denniston, R. H. F.

Ars Comb. 4, 285-287 (1977).

Research Article

Symmetric calculation of chromatic polynomials

Caccetta, L.; Foldes, S.

Ars Comb. 4, 289-292 (1977).

Research Article

Families of skew circulant weighing matrices

Berman, Gerald

Ars Comb. 4, 293-307 (1977).

Research Article

A census of Mendelsohn triple systems of order nine

Mathon, Rudolf; Rosa, Alexander

Ars Comb. 4, 309-315 (1977).

Research Article

Corrigendum to “Independence ratios of graphs that embed on Sn”

Edelman, Paul H.

Ars Comb. 4, 317 (1977).

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