Acta Mathematica Academiae Scientiarum Hungaricae 53. (1989)

1989 / 1-2. szám

CONTENTS Garay, В., Parallelizability in Banach spaces: Applications of negligibility theory....................... 3 Tandori, K., Über die Mittel von orthogonalen Funktionen. Ill .................................................... 23 Sauer, N. and Stone, M. G., Foliations and applications to structure problems........................... 43 Бейдар, К. И. и Салавова, К., Об одном классе колец с существенным правым цоколем 55 Hannick, F. Т. and Hewitt, Gloria С., Characterizations of generalized noetherian rings___ 61 Xiehua Sun, Lagrange interpolation of functions of generalized bounded variation................. 75 Берман, Д. Л., О существовании линейного положительного полиномиального оператора 85 Mas Mari, J., On a general open mapping theorem by M. Valdivia.............................................. 91 Borwein, D., Cass, F. P. and Sayre, J. E., On strong generalized Hausdorff summability.... 95 Schmitt, L. M., Semidiscrete Hilbert spaces.......................................................................................... 103 Di Concilio, A. and Naimpally, S. A., A unified approach to metrization problems................. 109 Srivastava, H. M., An extension of the 17-Saalschiitzian theorem..................................................... 115 Reuter, K., The Kurosh—Ore exchange property.................................................................................. 119 Goeters, P., Generating an injective class of torsion-free abelian groups ...................................... 129 Cavaretta, A. S., Dikshit, H. P. and Sharma, A., Convergence of certain polynomial interpolants to a function defined on the unit circle...................................................................................... 143 Hegyvári, N., Some remarks on a problem of Erdős and Graham ................................................. 149 Bosznay, Á. P., On the lower estimation of non-averaging sets......................................................... 155 Bognár, M., On the exterior linear measure.......................................................................................... 159 Czédli, G. and Lengvárszky, Zs., Two notes on independent subsets in lattices........................... 169 Pálfy, P. P. and Szalay, M., Further probabilistic results on the symmetric ^-groups................ 173 Erdős, P. and Vértesi, / ., On certain saturation problems ............................................................... 197 Ésik, Z. and Gécseg, F„ A decidability result for homomorphic representation of automata by a0 -products........................................................................................................................................ 205 Graham, S. W. and Pintz, J., The distribution of r-free numbers..................................................... 213 Erdélyi, T. and Szabados, J., Bernstein type inequalities for a class of polynomials...............237

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