부산대학교 도서관

Contents: Vladimir Batagelj, An improved inductive definition of two restricted classes of triangulations of the plane (pp.\ 11--18); R. Bodendiek and K. Wagner [Klaus Wagner\asup 1], On the minimal basis of the spindle-surface ${\germ S}_1$ (pp.\ 19--31); Mieczysław Borowiecki and Danuta Michalak, On Hallian digraphs and their binding number (pp.\ 33--37); N. Chakroun, M. Manoussakis and Y. Manoussakis, Directed and antidirected Hamiltonian cycles and paths in bipartite graphs (pp.\ 39--46); D. Z. Du [Ding Zhu Du] and D. F. Hsu, On Hamiltonian consecutive-$d$ digraphs (pp.\ 47--55); Miroslav Fiedler, Laplacian of graphs and algebraic connectivity (pp.\ 57--70); Ove Frank and Krzysztof Nowicki, On entropies of occupancy distributions (pp.\ 71--86); A. N. Isachenko, On the structure of the quadratic Boolean problem polytope (pp.\ 87--92); S. Jendroľ, E. Jucovič and M. Trenkler, Vertex-vectors of quadrangular $3$-polytopes with two types of edges (pp.\ 93--111); Sanpei Kageyama, Two open problems on balanced block designs (pp.\ 113--118); S. S. Marchenkov, Simple examples of bases with respect to superposition in a class of functions that are elementary in the sense of Kalmár (pp.\ 119--126); T. D. Parsons and Tomaž Pisanski, Graphs which are locally paths (pp.\ 127--135); Zdeněk Ryjáček, Factors and circuits in $K_{1,3}$-free graphs (pp.\ 137--145); J. J. Seidel, Graphs and their spectra (pp.\ 147--162); Z. Skupień, Sharp sufficient conditions for Hamiltonian cycles in tough graphs (pp.\ 163--175); Maciej M. Sysło, Independent face and vertex covers in plane graphs (pp.\ 177--185); Ioan Tomescu, Some extremal results concerning the number of graph and hypergraph colorings (pp.\ 187--194); R. I. Tyshkevich, O. P. Urbanovich and I. È. Zverovich, Matroidal decomposition of a graph (pp.\ 195--205); Wan Di Wei, Ben Fu Yang and Shu Hong Gao, Distribution of values of permanent and standard forms of $(0,1)$-matrices (pp.\ 207--231); D. de Werra, Packing independent sets and transversals (pp.\ 233--240); John C. Wierman, $AB$ percolation: a brief survey (pp.\ 241--251). \par \{Most of the papers are being reviewed individually.\}