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Borislav Radkov Draganov
Borislav Radkov Draganov
Department of Mathematics and Informatics, Sofia University "St. Kliment Ohridski"
Verified email at fmi.uni-sofia.bg
Title
Cited by
Cited by
Year
Exact estimates of the rate of approximation of convolution operators
BR Draganov
Journal of Approximation Theory 162 (5), 952-979, 2010
252010
A new characterization of weighted Peetre K-functionals
BR Draganov, KG Ivanov
Constructive approximation 21, 113-148, 2004
232004
Strong estimates of the weighted simultaneous approximation by the Bernstein and Kantorovich operators and their iterated Boolean sums
BR Draganov
Journal of Approximation Theory 200, 92-135, 2015
202015
A new characterization of weighted Peetre K-functionals (II)
B Draganov, K Ivanov
Serdica Mathematical Journal 33 (1), 59p-124p, 2007
152007
A new modulus of smoothness for trigonometric polynomial approximation
BR Draganov
East J. Approx. 8 (4), 465-499, 2002
152002
A characterization of weighted approximations by the Post-Widder and the Gamma operators
BR Draganov, KG Ivanov
Journal of Approximation Theory 146 (1), 3-27, 2007
142007
On simultaneous approximation by iterated Boolean sums of Bernstein operators
BR Draganov
Results in Mathematics 66, 21-41, 2014
122014
A new characterization of weighted Peetre K-functionals (III)
BR Draganov, KG Ivanov
Constructive Theory of Functions, Sozopol, 75-97, 2016
112016
On estimating the rate of best trigonometric approximation by a modulus of smoothness
BR Draganov, PE Parvanov
Acta Mathematica Hungarica 131 (4), 360-379, 2011
102011
A characterization of weighted approximations by the Post–Widder and the Gamma operators, II
BR Draganov, KG Ivanov
Journal of Approximation Theory 162 (10), 1805-1851, 2010
92010
A strong converse inequality for generalized sampling operators
T Acar, BR Draganov
Annals of Functional Analysis 13 (36), 2022
82022
Simultaneous approximation of functions by Fejer-type operators in a generalized Hölder norm
BR Draganov
East J. Approx 14, 439-449, 2008
82008
A fast converging sampling operator
B DRAGANOV
Constructive Mathematical Analysis 5 (4), 190-201, 2022
72022
Upper estimates of the approximation rate of combinations of iterates of the Bernstein operator
BR Draganov
Annuaire Univ. Sofia Fac. Math. Inform. 101, 95-104, 2013
72013
Approximation of functions by the Szasz-Mirakjan-Kantorovich operator
BR Draganov, I Gadjev
Numerical Functional Analysis and Optimization 40 (7), 803-824, 2019
62019
Simultaneous approximation by Bernstein polynomials with integer coefficients
BR Draganov
J. Approx. Theory 237, 1-16, 2018
62018
Estimating the rate of best trigonometric approximation in homogeneous Banach spaces by moduli of smoothness
BR Draganov
Proc. intern. conf. "Constructive Theory of Functions", Sozopol 2010: In …, 2012
62012
A characterization of weighted Lp approximations by the Gamma and the Post-Widder operators
BR Draganov, KG Ivanov
Proceedings of the International Conference on “Constructive Theory of …, 2006
62006
Converse estimates for the simultaneous approximation by Bernstein polynomials with integer coefficients
BR Draganov
arXiv preprint arXiv:1904.09417, 2019
52019
Equivalence between K-functionals based on continuous linear transforms
B Draganov, K Ivanov
Serdica Mathematical Journal 33 (4), 475p-494p, 2007
52007
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