ACTA SCIENTIARUM MATHEMATICARUM (Szeged)

Characterization of classes of functions by polynomial approximation

G. Alexits, G.-I. Sunouchi

On $|\overline{N},p_n|$ summability factors

G. C. Hotta, N. Kishore

On embedding of classes $H_p^\omega$

L. Leindler

On the convergence of Fourier series in every arrangement of the terms

F. Móricz

The central limit theorem for multiplicative systems

F. Móricz

On Haar and Schauder series

L. G. Pál, F. Schipp

Über einseitige Approximation durch Polynome. II

G. Freud, J. Szabados

Operator conjugation with respect to symmetric and skew-symmetric forms

J. Bognár

$J$-unitary dilation of a general operator

Ch. Davis

On the unitary part of an operator on Hilbert space

E. Durszt

Modèle de Jordan pour une classe d'opérateurs de l'espace de Hilbert

C. Foiaş, B. Sz.-Nagy

$l_p$-faktorisierbare Operatoren in Banachräumen

A. Pietsch

Some remarks on expectations

R. H. Herman

Über die kovariante Ableitung der Vektoren in verallgemeinerten Linienelementräumen

A. Moór

On immersion of locally bounded curvature

J. Szenthe

Translations of regular algebras

B. Csákány, E. T. Schmidt

A semiring whose Green's relations do not commute

M. P. Grillet

Reduktion eines Problems bezüglich der Brown-McCoyschen Radikalringe

F. Szász

Über dreifaktorisierbare Gruppen. I

J. Szép, G. Zappa

On $(m,n)$-ideals in regular duo semigroups

S. Lajos