Contents

Damásdi, G., Héger, T., Szőnyi, T.:The Zarankiewicz problem, cages, and geometries3–37
Mustafa, J. M.:Totally (µ,λ)-continuous and slightly (µ,λ)-continuous functions in generalized topological spaces39–49
Al-Omari, A., Noiri, T.:w-sets and ∨w-sets in weak structures51–60
Jafari, S., Tahiliani, S.:Supra ß-open sets and Supra ß-continuity on topological spaces61–69
Vyas, R. G.:Absolute convergence of Walsh-Fourier series71–78
Han, G-F., Li, G. R., Li, P. Y.:A note on separation properties of θ-modifications of topologies79–82
Noiri, T., Popa, V.:Between δ-closed sets and δ-g-closed sets83–91
Fried, E.:Free weak lattices93–98
Péter Csikvári:Graph polynomials and graph transformations in algebraic graph theory (Ph. D. abstract)99-111