# Matematychni Studii Vol. 52, No.1, 2019

## CONTENTS

 Title 1
 Contents 2
 Homomorphisms between rings with infinitesimals and infinitesimal comparisons Bottazzi E. 3
 Distance between a maximum modulus point and the zero set of an analytic function Fedynyak S. I., Filevych P. V. 10
 On removable singularities of mappings in uniform spaces Sevost'yanov E. A., Skvortsov S. A., Ilkevych N. S. 24
 Hilbert transform on $W_{\sigma}^1$ Dilnyi V., Voitovych Kh. 32
 Meromorphic function sharing three sets with its shift, $q$-shift, $q$-difference and analogous operators Banerjee A., Bhattacharyya S. 38
 Growth of p-th means of the Poisson-Stieltjes integrals in polydisc Chyzhykov I. E., Kutnyak O. A. 48
 Polynomial complex Ginzburg-Landau equations in Zhidkov spaces Besteiro A. 55
 The Cauchy problem with impulse action and degeneration for parabolic equations Pukal’skii I. D., Yashan B. O. 63
 The algebra of symmetric polynomials on $(L_\infty)^n$ Vasylyshyn T. V. 71
 Geometric relations in an arbitrary metric space Kuz'mich V. I., Savchenko A. G. 86
 Asymptotic properties of the impulse perturbation process under Levy approximation conditions with the point of equilibrium of the quality criterion Chabanyuk Y. M., Nikitin A. V., Khimka U. T. 96

## RESEARCH ANNOUNCEMENTS

 On one variational problem reducing to differential-boundary operator Storozh O. G. 105
 Entire curves having bounded $l$-index in $\ell_{\infty}$ Bandura A. I. 108

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