Parvan Evtimov Parvanov
Associate professor
PhD
Email:
pparvan@fmi.uni-sofia.bg
Phone:
+359 2 8161 557
Room:
FMI-515
Publications
- P. E. Parvanov and B. D. Popov, The Limit Case Of Bernstein's Operator With Jackobi-weights. Mathematica Balcanica(new series), Vol. 8, (1994), Fasc.2-3, 165-177
- P. E. Parvanov, Characterization of Best Multivariate Algebraic Approximation From Below And From Above In Terms Of K-functionals. Mathematica Balcanica(new series), Vol.11, (1997), Fasc.1-2, 37-50
- P. E. Parvanov, Characterization Of Best Algebraic Approximation From Below And From Above In The Multivariate Case. East Journal Of Approximation, Vol.5, Number 2 (1999),125-149
- P. E. Parvanov, An Estimation Of Best Monotone Spline Approximation With Averaged Moduli Of Smoothness. Mathematica Balcanica(new series), Vol.13, (1999), Fasc.3-4, 421-424
- I. A. Parvanova and P. E. Parvanov, Exact Constants In Estimation Of The Error Of The Quadrature Formulae Of Simpson With Averaged Moduli Of Smoothness. Mathematica Balcanica(new series), Vol.15, (2001), Fasc.3-4, 303-316.
- Kamen G. Ivanov and Parvan E. Parvanov, Weighted Approximation By The Goodman-Sharma Operators. East Journal Of Approximation, Vol.15, Number 4 (2009),473-486
- Parvan E. Parvanov, Weighted Approximation By A Class Of Bernstein-type Operators. Mathematica Balcanica(new series), Vol.25, (2011), Fasc.1-2, 31-38
- Borislav R. Draganov and Parvan E. Parvanov, On Estimating The Rate Of Best Trigonometric Approximation By Modulus Of Smoothnes. Acta Mathematica Hungarica (2011) Vol.131, Number 4, 360-379
- Kamen G. Ivanov and Parvan E. Parvanov, Weighted Approximation By Baskakov-type Operators. Acta Mathematica Hungarica (2011) Vol.133, Numbers 1-2, 33-57
- Kamen G. Ivanov and Parvan E. Parvanov, Weighted Approximation By Meyer-König And Zeller-Type Operators. Proceedings Volume ofCTF-2010, Sozopol, Bulgaria ( dedicated to the memory of Borislav Bojanov).
- Gadjev, I. and Parvanov, P. E., Weighted Approximation of Functions in