DSpace Collection: Mathematica Balkanica New Series, Vol. 28, 2014, Fasc. 1-2
http://hdl.handle.net/10525/2496
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Fekete-Szegoe problem for certain subclasses of analytic functions with respect to symmetric points
http://hdl.handle.net/10525/2544
Title: Fekete-Szegoe problem for certain subclasses of analytic functions with respect to symmetric points<br/><br/>Authors: Yagmur, Nihat; Orhan, Halit<br/><br/>Description: MSC 2010: 30C45Averaging operators and set-valued maps
http://hdl.handle.net/10525/2543
Title: Averaging operators and set-valued maps<br/><br/>Authors: Valov, Vesko<br/><br/>Abstract: We investigate maps admitting, in general, non-linear averaging operators. Characterizations of maps admitting a normed, weakly additive averaging operator which preserves max (resp., min) and weakly preserves min (resp., max) is obtained. We also describe set-valued maps into completely metrizable spaces admitting lower semi-continuous selections. As a corollary, we obtain a description of surjective maps with a metrizable kernel and complete fibers which admit regular linear averaging operators.<br/><br/>Description: MSC 2010: 54C35, 54C60.Approximation Properties of Schurer-Stancu Type Polynomials
http://hdl.handle.net/10525/2542
Title: Approximation Properties of Schurer-Stancu Type Polynomials<br/><br/>Authors: Sucu, Sezgin; Done, Yesim; Ibikli, Ertan<br/><br/>Description: MSC 2010: 41A25, 41A35On the approximation by convolution operators in homogeneous Banach spaces on R^d
http://hdl.handle.net/10525/2541
Title: On the approximation by convolution operators in homogeneous Banach spaces on R^d<br/><br/>Authors: Draganov, Borislav<br/><br/>Abstract: The paper presents a description of the optimal rate of approximation as well as of a broad class of functions that possess it for convolution operators acting in the so-called homogeneous Banach spaces of functions on Rd. The description is the same in any such space and uses the Fourier transform. Simple criteria for establishing upper estimates of the approximation error via a K-functional are given. The differential operator in the K-functional is defined similarly to the infinitesimal generator by means of the convolution operator.<br/><br/>Description: AMS Subject Classification 2010: 41A25, 41A35, 41A40, 41A63, 41A65, 42A38, 42A85, 42B10, 42B20