| Дисертация д-р |
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Първан Евтимов Първанов, "Оценка на грешката на запазващи формата приближения", СУ"Св. Климент Охридски", Ръководител:проф. дмн Камен Иванов
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2000
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| Научен проект |
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1
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Първан Първанов, NATATA "Числен анализ, теория на приближенията и техните приложения", Член, НПВУ, Номер на договора:BG-RRO-2-004-0008
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2023
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2
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Първан Първанов, Изследване на аналитични концепции, използвани в апроксимациите, диференциалните уравнения и оптимирането, Ръководител, СУ"Св. Климент Охридски", Номер на договора:239
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2016
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3
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Първан Първанов, Изследване на аналитични концепции, използвани в апроксимациите, диференциалните уравнения и оптимирането, Ръководител, СУ"Св. Климент Охридски", Номер на договора:146
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2015
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4
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Първан Първанов, Абстрактен анализ в Банахови пространства, Ръководител, СУ"Св. Климент Охридски", Номер на договора:88
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2014
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5
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Първан Първанов, Абстрактен анализ в Банахови пространства, Ръководител, СУ"Св. Климент Охридски", Номер на договора:184 / 28.05.2013
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2013
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6
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Първан Първанов, Абстрактен анализ в Банахови пространства, Ръководител, СУ"Св. Климент Охридски", Номер на договора:133
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2012
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7
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Първан Първанов, „Съвременни методи в теория на апроксимациите” (договор с НФНИ на МОМН)., Член, НФНИ на МОМН, Номер на договора:DDVU-02/30
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2011
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| Статия в научно списание |
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1
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Ivan Gadjev, Parvan E. Parvanov, Rumen Uluchev, On a new modification of Baskakov operators with higher order of approximation , Mathematics, vol:13, issue:1, 2025, pages:1-18, ISSN (online):2227-7390, doi:10.3390/math13010064 , Ref, IF, IF (2.3 - 2023), Web of Science Quartile: Q1 (Mathematics)
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2025
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2
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Ivan Gadjev, Parvan E. Parvanov, Rumen Uluchev, Higher order approximation of functions by modified Goodman-Sharma operators, Constructive Mathematical Analysis, vol:7, issue:4, 2024, pages:180-195, ISSN (online):2651-2939, doi:10.33205/cma.1563047, Ref, IF, IF (1.1 - 2023), Web of Science Quartile: Q1 (Mathematics)
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2024
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3
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Ivan Gadjev, Parvan E. Parvanov, Rumen Uluchev, Strong converse inequality for weighted approximation of functions by the Szasz-Mirakjan-Kantorovich operator, Results in Mathematics, vol:79, issue:Artical number 149, 2024, ISSN (print):1422-6383, ISSN (online):1420-9012, doi:10.1007/s00025-024-02179-3, Ref, IF, IF (1.1 - 2023), Web of Science Quartile: Q1 (Mathematics)
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2024
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4
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Ivan Gadjev, Parvan E. Parvanov, R. Uluchev, Strong Converse Inequality for Weighted Approximation of Functions by the Szász–Mirakjan–Kantorovich Operator, Results in Mathematics , issue:149, 2024, ISSN (print):1422-6383, ISSN (online):1420-9012, doi:https://doi.org/10.1007/s00025-024-02179-3, Ref, Web of Science, IF (2.2 - 2022), Web of Science Quartile: Q2 (2024), SCOPUS, SJR (0.62 - 2023), SCOPUS Quartile: Q2 (2024)
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2024
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5
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Parvan E. Parvanov, Ivan Gadjev, Weighted Approximation of Functions by the Szász–Mirakjan–Kantorovich Operator, Results in Mathematics , vol:76, issue:158, 2021, ISSN (print):1422-6383, ISSN (online):1420-9012, doi:10.1007/s00025-021-01472-9, Ref, Web of Science, IF (1.2 - 2020), Web of Science Quartile: Q1 (2021), SCOPUS, SJR (0.742 - 2020), SCOPUS Quartile: Q2 (2021)
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2021
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6
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Parvan E. Parvanov, Weighted Approximation of Functions in $L_p$-norm by Baskakov-Kantorovich Operator, Analysis Mathematica, vol:46, issue:4, 2020, pages:821-842, ISSN (print):0133-3852, ISSN (online):1588-273X, Ref, Web of Science, IF (0.527 - 2019), Web of Science Quartile: Q2 (Rank 108 / 339), SCOPUS, SJR (0.47 - ), SCOPUS Quartile: Q2 (2020)
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2020
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7
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Ivan Gadjev, Parvan E. Parvanov, Rumen Uluchev, Weighted approximation by Kantorovich type modification of Meyer-König and Zeller operator, Annual of Sofia University "St. Kliment Ohridski, vol:105, 2018, pages:75-95, ISSN (print):1313-9215, ISSN (online):2603-5529, Ref
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2018
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8
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Gadjev, Ivan, P. E. Parvanov, Weighted Approximation of Functions in L infinity[0,infinity), MEDITERRANEAN JOURNAL OF MATHEMATICS, vol:14, issue:6, 2017, ISSN (print):1660-5446, ISSN (online):1660-5454, doi:10.1007/s00009-017-1021-8
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2017
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9
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Borislav R. Draganov, Parvan E. Parvanov, On estimating the rate of best trigonometric approximation by a modulus of smoothnes, Acta Mathematica Hungarica , vol:131, issue:4, 2011, pages:360-379, ISSN (print):0236-5294, ISSN (online):1588-2632, doi:DOI: 10.1007/s10474-011-0072-8, Ref, Web of Science, IF (0.456 - 2011), Web of Science Quartile: Q3 (M 2011 186/289 Q3 35.813), SCOPUS, SJR (0.847 - 2011), SCOPUS Quartile: Q2 (Mathematics (Misc)
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2011
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10
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Draganov, B. R., Parvanov, P. E., On estimating the rate of best trigonometric approximation by a modulus of smoothness, ACTA MATHEMATICA HUNGARICA, vol:131, issue:4, 2011, pages:360-379, ISSN (print):0236-5294, doi:10.1007/s10474-011-0072-8
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2011
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11
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Parvan E. Parvanov, Weighted Approximation By A Class Of Bernstein-type Operators, Mathematica Balcanica(new series), vol:Vol.25, issue:Fasc.1-2, 2011, pages:31-38, ISBN:0205-3217, Ref
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2011
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12
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Kamen G. Ivanov, Parvan E. Parvanov, Weighted Approximation By Baskakov-type Operators, Acta Mathematica Hungarica, vol:Vol.133, issue:Numbers 1-2, 2011, pages:33-57, doi: DOI: 10.1007/s10474-011-0135-x , Ref, Web of Science, SCOPUS Quartile: Q3 (M 2011 186/289 Q3 35.813)
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2011
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13
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Kamen G. Ivanov, Parvan E. Parvanov, Weighted Approximation By The Goodman-Sharma Operators, East Journal Of Approximation, vol:Vol.15, issue:Number 4, 2009, pages:473-486, ISSN (print):1310-6236, Ref
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2009
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14
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I. A. Parvanova, 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:Vol.15, issue:Fasc.3-4, 2001, pages:303-316, ISSN (print):ISSN: 0205-3217, Ref
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2001
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15
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P. E. Parvanov, An Estimation Of Best Monotone Spline Approximation With Averaged Moduli Of Smoothness, Mathematica Balcanica(new series), vol:Vol.13, issue:Fasc.3-4, 1999, pages:421-424, ISSN (print):ISSN: 0205-3217, Ref
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1999
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16
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P. E. Parvanov, Characterization Of Best Algebraic Approximation From Below And From Above In The Multivariate Case, East Journal Of Approximation, vol: Vol.5, issue:Number 2, 1999, pages:125-149, ISSN (print):1310-6236, Ref
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1999
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17
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P. E. Parvanov, Characterization Of Best Multivariate Approximation From Below And From Above In Terms Of K-functional, Mathematica Balcanica(new series), vol:Vol.11, issue:Fasc.1-2, 1997, pages:37-50, ISSN (print):ISSN: 0205-3217, Ref
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1997
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18
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P. E. Parvanov, B. D. Popov, The Limit Case Of Bernstein’s Operators With Jacobi Weights, Mathematica Balcanica(new series), vol:Vol. 8, issue:Fasc.2-3, 1994, pages:165-177, ISSN (print):ISSN: 0205-3217, Ref
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1994
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| Статия в сборник (на конференция и др.) |
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1
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Parvan E. Parvanov, Rumen Uluchev, On a direct result for a family of modified Goodman-Sharma operators, Proceedings Book of the 7th Mediterranean International Conference of Pure & Applied Mathematics and Related Areas (MICOPAM 2024), editor/s:Y. Simsek, M. Alkan, I. Kucukoglu, O. Ones, 2024, pages:91-94, ISBN:978-625-00-1131-7
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2024
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2
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P. E. Parvanov, WEIGHTED APPROXIMATION BY THE GOODMAN–SHARMA-TYPE
OPERATORS, MATHEMATICS AND EDUCATION IN MATHEMATICS, 2012 Proceedings of the Forty First Spring Conference of the Union of Bulgarian Mathematicians Borovetz, April 9–12, 2012, 2012, pages:93-100, doi:ISSN 1313-3330, Ref
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2012
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3
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Kamen G. Ivanov, Parvan E. Parvanov, Weighted Approximation by Meyer-König and Zeller-Type Operators, Proceedings Volume of CTF-2010, Sozopol, Bulgaria ( dedicated to the memory of Borislav Bojanov)., editor/s:G. Nikolov and R. Uluchev, Publisher:Prof. Marin Drinov Academic Publishing House,, 2011, pages:150-160, Ref
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2011
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| Участие в конференция |
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1
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Секционен доклад, Първан Първанов, Weighted Approximation By A Class Of Baskakov-type Operators
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2013
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2
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Секционен доклад, Първан Първанов, Теглови апроцимации с оператори от тип на Гудман-Шарма
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2012
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3
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Секционен доклад, Parvan E. Parvanov, Weighted Approximation by Meyer-König and Zeller-Type Operators
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2010
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