Volume XLV, April, 1997

Research Article

Characteristic polynomials of some covers of symmetric digraphs

Mizuno, Hirobumi; Sato, Iwao

Ars Comb. 45, 3-12 (1997).

Research Article

A particular class of bigraphs

Dedo’, Ernesto; Salvi, Norma Zaganglia; Kirkland, Stephen J.

Ars Comb. 45, 13-28 (1997).

Research Article

Recognizing clique-Helly graphs

Szwarcfiter, Jayme L.

Ars Comb. 45, 29-32 (1997).

Research Article

On the closure of subsets of \({4,5,…,9}\) which contain \({4}\)

Mullin, R. C.; Ling, A. C. H.; Abel, R. J. R.; Bennett, F. E.

Ars Comb. 45, 33-76 (1997).

Research Article

On the local structure of well-covered graphs without \(4\)-cycles

Hartnell, B. L.

Ars Comb. 45, 77-86 (1997).

Research Article

On sum distinct sets of integral vectors

Jevtić, Dušan B.

Ars Comb. 45, 87-95 (1997).

Research Article

Near-exact and envy free cake division

Robertson, Jack M.; Webb, William A.

Ars Comb. 45, 97-108 (1997).

Research Article

A coloring problem on chordal rings

Ginsburg, John

Ars Comb. 45, 109-127 (1997).

Research Article

Is there a matroid theory of signed graph embedding

Zaslavsky, Thomas

Ars Comb. 45, 129-141 (1997).

Research Article

On packing designs with block size 5 and indexes \(3\) and \(6\)

Assaf, Ahmed M.; Shalaby, Nabil; Singh, L. P. S.

Ars Comb. 45, 143-156 (1997).

Research Article

Fractal sequences and interspersions

Kimberling, Clark

Ars Comb. 45, 157-168 (1997).

Research Article

Counting triangulations of almost-convex polygons

Hurtado, F.; Noy, M.

Ars Comb. 45, 169-179 (1997).

Research Article

Ramsey numbers for cocircuits in matroids

Hurst, Fair Barbour; Reid, Talmage James

Ars Comb. 45, 181-192 (1997).

Research Article

On magic strength of graph

Kong, M. C.; Lee, Sin-Min; Sun, Hugo S. H.

Ars Comb. 45, 193-200 (1997).

Research Article

The number of orientations of a tree admitting an efficient dominating set

Bange, David W.; Barkauskas, Anthony E.; Clark, Lane H.

Ars Comb. 45, 201-207 (1997).

Research Article

A local neighbourhood condition for cycles

Lou, Dingjun

Ars Comb. 45, 209-216 (1997).

Research Article

The coexistence of some binary and \(n\)-ary designs

Fanning, J. D.

Ars Comb. 45, 217-227 (1997).

Research Article

On higher dimensional perfect factors

Hurlbert, Glen; Isaak, Garth

Ars Comb. 45, 229-239 (1997).

Research Article

A class of well-covered graphs with girth four

Pinter, Michael R.

Ars Comb. 45, 241-255 (1997).

Research Article

Three mutually orthogonal idempotent Latin squares of order \(18\)

Zhang, Xiafu; Zhang, Hangfu

Ars Comb. 45, 257-261 (1997).

Research Article

On smallest maximally nonhamiltonian graphs

Lin, Xiaohui; Jiang, Wenzhou; Zhang, Chengxue; Yang, Yuansheng

Ars Comb. 45, 263-270 (1997).

Research Article

Achromatic index of \(K_{12}\)

Horňák, Mirko

Ars Comb. 45, 271-275 (1997).

Research Article

Some games related to permutation group statistics and their type

B analoguesLal, Arbind Kumar

Ars Comb. 45, 276-286 (1997).

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