Contents

Min, W. K.:Mixed almost continuity and mixed -continuity on generalized topological spaces3–16
Han, G.F., Li, G.R., Li, P.Y.:On ΩS-I-closed sets and a decomposition of continuity17–23
Faragó, I., Frank, A.:Zoltán Sebestyén is 70 years old25–26
Farkas, B.:Wiener’s lemma and the Jacobs–de Leeuw–Glicksberg decomposition27–35
Förster, K.H., Nagy, B.:On operator polynomials with nonnegative coefficients in a Banach lattice37–54
Hassi, S., Snoo, H. de:Factorization, majorization, and domination for linear relations55–72
Komornik, V.:Optimal expansions in noninteger bases II73–82
Molnár, L.:Two characterizations of unitary-antiunitary similarity transformations of positive definite operators on a finite dimensional Hilbert space83–93
Popovici, D., Z. Sebestyén, Z., Tarcsay, Zs.:On the sum between a closable operator T and a T-bounded operator95–104
Sebestyén, Z., Tarcsay, Zs.:Operators having selfadjoint squares105–110
Tarcsay, Zs.:Lebesgue decomposition via Riesz orthogonal decomposition111–114
Titkos, T.:Positive definite operator functions and sesquilinear forms115–124
Kiss, G.:Linear functional equations (Ph. D. abstract)125–132
Takáts, M.:Directions and other topics in Galois-geometries (Ph. D. abstract)133–141