Integral extensions on growth and higher derivatives of a polynomial

Turkish Journal of Mathematics, vol. 49, no. 4, pp. 491–517

Nirmal Kumar Sıngha, Fahreddin Abdullayev, Barchand Chanam

2025 Hakemli SCI-Expanded Link
On the behavior of m-th derivatives of polynomials in bounded and unbounded regions without zero angles in weighted Lebesgue spaces

Axioms, vol. 15, no. 3, pp. 1–34

Uğur Değer, Fahreddin Abdullayev, Meerim Imashkyzy, Meerim İmaş Kızı

2025 Hakemli SCI-Expanded Q1 Link
On the properties of hybrid Δh Legendre-Laguerre polynomials and their applications

Azerbaycan Journal of Mathematics, vol. 15, no. 2, pp. 1–14

W. A. Khan, S. A. Wani, Ketan Kotecha, Fahreddin Abdullayev

2025 Hakemli ESCI: Emerging Sources Citation Index
Asymptotic Growth of Moduli of m-th Derivatives of Algebraic Polynomials in Weighted Bergman Spaces on Regions Without Zero Angles

Axioms, vol. , no. , pp. –

Uğur Değer, Meerim Meerim Imashkyzy, Fahreddin Abdullayev

2025 Hakemli SCI-Expanded Q1 Link
On the behavior of the modulus of m-th derivatives of algebraic polynomials in the whole complex plane without recurrence formula in the weighted Lebesgue space

Filomat, vol. 39, no. 10, pp. 3365–3379

Fahreddin Abdullayev, Meerim Imashkyzy

2025 Hakemli SCI-Expanded Q2 Link
Dynamical behavior of solution of fifteenth-order rational difference equation

FILOMAT, vol. 38, no. 3, pp. 997–1008

Dağıstan Şimşek, Burak Oğul, Fahreddin Abdullayev

2024 Hakemli SCI-Expanded Q2 1 atıf Link
Fejér-type positive operator based on Takenaka-Malmquist system on unit circle

JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, vol. 529, no. 2, pp. 127298–127298

Fahreddin Abdullayev, Vıktor Savchuk

2024 Hakemli SCI-Expanded Q1 Link
Dynamical Behavior of Rational Difference Equation x_{n+1}=((x_{n-13})/(±1±x_{n-1}x_{n-3}x_{n-5}x_{n-7}x_{n-9}x_{n-11}x_{n-13}))

Ukr. Math. J., vol. 76, no. 7, pp. 1242–1260

Dağıstan Şimşek, Burak Oğul, Fahreddin Abdullayev

2024 Hakemli SCI-Expanded Q3 Link
Bernstein-Nikol'skii-Markov-type inequalities for algebraic polynomials in a weighted Lebesgue space in regions with cusps

TURKISH JOURNAL OF MATHEMATICS, vol. 48, no. 4, pp. 713–733

Uğur Değer, Fahreddin Abdullayev

2024 Hakemli SCI Q2 Link
On the growth of derivatives of algebraic polynomials in regions with a piecewise quasicircle with zero angles

FILOMAT, vol. 38, no. 10, pp. 3493–3522

Uğur Değer, Fahreddin Abdullayev

2024 Hakemli SCI Q3 1 atıf Link
On the behavior of derivatives of algebraic polynomials in regions with piecewise quasismooth boundary having cusps

FILOMAT, vol. 38, no. 10, pp. 3467–3492

Uğur Değer, Fahreddin Abdullayev

2024 Hakemli SCI Q3 1 atıf Link
ON THE GROWTH OF m-TH DERIVATIVES OF ALGEBRAIC POLYNOMIALS IN REGIONS WITH CORNERS IN A WEIGHTED BERGMAN SPACE

PROCEEDINGS OF THE INSTITUTE OF MATHEMATICS AND MECHANICS, vol. 49, no. 1, pp. 109–153

Naciye Pelin Özkartepe, Fahreddin Abdullayev

2023 Hakemli Scopus Link
Best approximation-preserving operators over Hardy space

ANALYSIS AND MATHEMATICAL PHYSICS, vol. 13, no. 4, pp. –

Fahreddin Abdullayev, Vıktor Savchuk, Marına Savchuk

2023 Hakemli SCI-Expanded Q1 Link
Bernstein-Nikolskii-Markov-type inequalities for algebraic polynomials in a weighted Lebesgue space

FILOMAT, vol. 37, no. 17, pp. 5701–5715

Naciye Pelin Özkartepe, Meerim İmaş Kızı, Fahreddin Abdullayev

2023 Hakemli SCI-Expanded Q3 1 atıf Link
Bernstein-Walsh-type inequalities for derivatives of algebraic polynomials on the regions of complex plane

TURKISH JOURNAL OF MATHEMATICS, vol. 46, no. 7, pp. 2572–2609

Naciye Pelin Özkartepe, Cevahir Doğanay Gün, Fahreddin Abdullayev

2022 Hakemli SCI-Expanded Q2 Link
On the growth of mth derivatives of algebraic polynomials in the weighted Lebesgue space

APPLIED MATHEMATICS IN SCIENCE AND ENGINEERING, vol. 30, no. 1, pp. 249–282

Fahreddin Abdullayev, Meerim İmaş Kızı

2022 Hakemli SCI-Expanded Q3 Link
On the Recursive Sequence of Some Difference Equation

Thai Journal of Mathematics, vol. 20, no. 1, pp. 111–119

Dağıstan Şimşek, Burak Oğul, Fahreddin Abdullayev, Li Faraczadeh

2022 Hakemli Scopus Link
On the Growth of Derivatives of Algebraic Polynomials in a Weighted Lebesgue Space

UKRAINIAN MATHEMATICAL JOURNAL, vol. 74, no. 5, pp. 664–684

Fahreddin Abdullayev, Meerim İmaş Kızı

2022 Hakemli SCI-Expanded Q4 Link
BERNSTEIN-WALSH TYPE INEQUALITIES FOR DERIVATIVES OF ALGEBRAIC POLYNOMIALS

BULLETIN OF THE KOREAN MATHEMATICAL SOCIETY, vol. 59, no. 1, pp. 45–72

Fahreddin Abdullayev, Cevahir Doğanay Gün

2022 Hakemli SCI-Expanded Q4 1 atıf Link
p-Bieberbach polynomials in regions with simultaneously exterior and interior zero angles/title

Quaestiones Mathematicae, vol. 44, no. 10, pp. 1409–1426

Fahreddin Abdullayev, Meerim İmaş Kızı, Naciye Pelin Özkartepe

2021 Hakemli SCI-Expanded Q1 Link
Bernstein-Walsh type inequalities for derivatives of algebraic polynomials in quasidisks

OPEN MATHEMATICS, vol. 19, no. 1, pp. 1847–1876

Fahreddin Abdullayev

2021 Hakemli SCI-Expanded Q3 7 atıf Link
DIRECT AND INVERSE APPROXIMATION THEOREMS OF FUNCTIONS IN THE MUSIELAK-ORLICZ TYPE SPACES

MATHEMATICAL INEQUALITIES & APPLICATIONS, vol. 24, no. 2, pp. 323–336

Fahreddin Abdullayev, Stanislav Chaichenko, Andrii Shidlich

2021 Hakemli SCI-Expanded Q2 2 atıf Link
Bernstein-Nikolskii-type inequalities for algebraic polynomials in Bergman space in regions of complex plane,

Ukrainian Mathematical Journal, vol. 73, no. 4, pp. 439–454

Fahreddin Abdullayev, Cevahir Doğanay Gün

2021 Hakemli SCI-Expanded Q4 Link
The use of the isometry of function spaces with different numbers of variables in the theory of approximation of functions

CARPATHIAN MATHEMATICAL PUBLICATIONS, vol. 13, no. 3, pp. 805–817

Dm Bushev, Fahreddin Abdullayev, Meerim İmash Kyzy, I. Kal'chuk

2021 Hakemli Scopus 6 atıf Link
Faber polynomials with common zero

ANALYSIS AND MATHEMATICAL PHYSICS, vol. 11, no. 1, pp. –

Fahreddin Abdullayev, Meerim Imashkyzy, Vıktor Savchuk

2021 Hakemli SCI-Expanded Q1 Link
JACKSON-TYPE INEQUALITIES AND WIDTHS OF FUNCTIONAL CLASSES IN THE MUSIELAK-ORLICZ TYPE SPACES

ROCKY MOUNTAIN JOURNAL OF MATHEMATICS, vol. 51, no. 4, pp. 1143–1155

Fahreddin Abdullayev, Stanislav Chaichenko, Meerim Imashkyzy, Andrii Shidlich

2021 Hakemli SCI-Expanded Q4 2 atıf Link
WIDTHS OF FUNCTIONAL CLASSES DEFINED BY THE MAJORANTS OF GENERALIZED MODULI OF SMOOTHNESS IN THE SPACES Sp

UKRAINIAN MATHEMATICAL JOURNAL, vol. 73, no. 6, pp. 841–858

Fahreddin Abdullayev, Anatoliy Serdyuk, Andrii Shidlich

2021 Hakemli SCI-Expanded Q4 2 atıf Link
On the Recursive Sequence x_(n+1) = x_(n*13)/(1+x_(n-1) x_(n-3) x_(n-5) 〖…x〗_(n-11) )

Applied Mathematics and Nonlinear Sciences, vol. 5, no. 1, pp. 485–494

Dağıstan Şimşek, Burak Oğul, Fahreddin Abdullayev

2020 Hakemli ESCI: Emerging Sources Citation Index
Direct and inverse approximation theorems in the weighted Orlicz-type spaceswith a variable exponent

TURKISH JOURNAL OF MATHEMATICS, vol. 44, no. 1, pp. 284–299

Fahreddin Abdullayev, Stanislav Chaichenko, Meerim İmaş Kızı, Andrii Shidlich

2020 Hakemli SCI-Expanded 5 atıf Link
Solution of the Maximum Difference Equation xn+1= xn􀀀13 1+xn-1xn-3xn-5xn-7xn-9xn-11

Applied Mathematics and Nonlinear Sciences, vol. 5, no. 1, pp. 275–282

Dağıstan Şimşek, Burak Oğul, Fahreddin Abdullayev

2020 Hakemli ESCI: Emerging Sources Citation Index
Approximation of the Classes CψβHα by Biharmonic Poisson Integrals

Ukr.Math. J., vol. 72, no. 1, pp. 21–38

Fahreddin Abdullayev, Yı Kharkevich

2020 Hakemli SCI-Expanded 22 atıf Link
The uniform and pointwise estimates for polynomials on the weighted Lebesgue spaces in the general regions of complex plane

Hacettepe Journal of Mathematics and Statistics, vol. 49, no. 1, pp. 87–101

Pelın Özkartepe, Fahreddin Abdullayev

2020 Hakemli SCI-Expanded 1 atıf Link
Isometry of the Subspaces of Solutions of Systems of Differential Equations to the Spaces of Real Functions

Ukrainian Mathematical Journal, vol. 71, no. 8, pp. 1153–1172

Fahreddin Abdullayev, Dm Bushev, Meerim İmaş Kızı, Yı Kharkevich

2019 Hakemli SCI-Expanded 4 atıf Link
Bernstein–Walsh-Type Polynomial Inequalities in Domains Bounded by Piecewise Asymptotically Conformal Curve with Nonzero Inner Angles in the Bergman Space

Ukrainian Mathematical Journal, vol. 71, no. 5, pp. 663–676

Fahreddin Abdullayev, Gülnara Abdullayev, Dağıstan Şimşek

2019 Hakemli SCI-Expanded Link
Direct and inverse approximation theorems of functions in the Orlicz type spaces Sm

Mathematica Slovaca, vol. 69, no. 6, pp. 1367–1380

Stanislav Chaichenko, Andrii Shidlich, Fahreddin Abdullayev

2019 Hakemli SCI-Expanded 7 atıf Link
Exact estimates for Faber polynomials and for norm of Faber operator

Complex Variables and Elliptic Equations, vol. 65, no. 2, pp. 293–305

Fahreddin Abdullayev, Vıktor Savchuk, Tuncay Tunç

2019 Hakemli SCI Q2 Link
Uniform and pointwise estimates for algebraic polynomials in regions with interior and exterior zero angles

Filomat, vol. 33, no. 2, pp. 403–413

Naciye Pelin Özkartepe, Pelın Özkartepe, Fahreddin Abdullayev, Tuncay Tunç

2019 Hakemli SCI Q3 4 atıf Link
Preface

Filomat, vol. 33, no. 5, pp. 1–1

Fahreddin Abdullayev, Ljubisa Koçinaç

2019 Hakemli SCI-Expanded Link
Best approximation of holomorphic functions from Hardy space in terms of Taylor coefficient

Filomat, vol. 33, no. 5, pp. 1417–1424

Fahreddin Abdullayev, Gülnara Abdullayev, Vıktor Savchuk

2019 Hakemli SCI-Expanded 1 atıf Link
Exact constants in direct and inverse approximation theorems for functions of several variables in the spaces Sp

Filomat, vol. 33, no. 5, pp. 1471–1484

Fahreddin Abdullayev, Naciye Pelin Özkartepe, Vıktor Savchuk, Andrii Shidlich

2019 Hakemli SCI-Expanded 6 atıf Link
Comparison of the best approximation of holomorphic functions from Hardy space

Journal of Nonlinear Sciences and Applications, vol. 12, no. 07, pp. 412–419

Fahreddin Abdullayev, Vıktor Savchuk, Dağıstan Şimşek

2019 Hakemli Scopus 1 atıf Link
Uniform Convergence of the Generalized Bieberbach Polynomials in Regions with Simultaneously Exterior and Interior Zero Angles

Complex Analysis and Operator Theory, vol. 13, no. 6, pp. 2881–2897

Fahreddin Abdullayev

2018 Hakemli SCI-Expanded Link
On the Recursive Sequence xn1=xn−k11xnxn−1…xn−k {x}_{n1}=\frac{x_{n-\left(k1\right)}}{1{x}_n{x}_{n-1}\dots {x}_{n-k}}

Journal of Mathematical Sciences, vol. 234, no. 1, pp. 73–81

Dağıstan Şimşek, Fahreddin Abdullayev

2018 Hakemli Scopus 5 atıf Link
Polynomial Inequalities in Regions with Piecewise Asymptotically Conformal Curve in the Weighted Lebesgue Space

Advances in Analysis, vol. 3, no. 2, pp. 100–112

Fahreddin Abdullayev, Dağıstan Şimşek, Nurzat Saipidinova, Zaripa Tashpaeva

2018 Hakemli Open Academic Journals Index (OAJI) Root Indexing Google Scholar CrossrefCNKI ScholarSciLitOpen J-G... 3 atıf Link
Application of Faber Polynomials in Proving Combinatorial Identities

Ukrainian Mathematical Journal, vol. 70, no. 2, pp. 165–181

Fahreddin Abdullayev, Meerim İmaş Kızı, Vıktor Savchuk

2018 Hakemli SCI-Expanded Link
Polynomial Inequalities in Regions with Zero Interior Angles in the Bergman Space

Ukrainian Mathematical Journal, vol. 70, no. 3, pp. 362–384

Sebahattin Balcı, Meerim İmaş Kızı, Fahreddin Abdullayev

2018 Hakemli SCI-Expanded 9 atıf Link
Polynomial Inequalities in Regions Bounded by Piecewise Asymptotically Conformal Curve with Nonzero Angles in the Bergman Space

Advances in Analysis, vol. 3, no. 4, pp. 143–153

Gülnara Abdullayev, Fahreddin Abdullayev, Anara Taylakova

2018 Hakemli Open Academic Journals Index (OAJI) Root Indexing Google Scholar CrossrefCNKI ScholarSciLitOpen J-G... Link
Bernstein–Walsh type inequalities in unbounded regions with piecewise asymptotically conformal curve in the weighted Lebesgue space

Journal of Mathematical Sciences, vol. 234, no. 1, pp. 35–48

Meerim İmaş Kızı, Gülnara Abdullayev, Fahreddin Abdullayev

2018 Hakemli Scopus 4 atıf Link
Міжнародна конференція „Математичний аналіз, диференціальні рівняння та їх застосування — MADEA-8”, присвячена 80-річчю від дня народження академіка А. М. Самойленка

Ukrainian Mathematical Zhurnal, vol. 70, no. 10, pp. 1439–1440

Fahreddin Abdullayev, Anatoliy Serdyuk, Vıktor Savchuk, Anatoliy Samoylenko

2018 Hakemli SCI-Expanded
On the interference of the weight and contour for algebraic polynomials in the weighted Lebesgue spaces I

Ukr.Math.J., vol. 68, no. 10, pp. 1574–1590

Pelin Özkartepe, Fahreddin Abdullayev

2017 Hakemli SCI-Expanded
Polynomial inequalities in regions with corners in the weighted Lebesgue spaces

Filomat, vol. 31, no. 18, pp. 5647–5670

Fahreddin Abdullayev

2017 Hakemli SCI-Expanded 5 atıf Link
An Introduction to Soft Cone Metric Spaces and Some Fixed Point Theorems

MANAS Journal of Engineering, vol. 5, no. 3, pp. 69–89

Dağıstan Şimşek, İsmet Altıntaş, Soley Ersoy, Fahreddin Abdullayev, Meerim İmaş Kızı, Kemal Taşköprü...

2017 Hakemli EBSCO Link
Uniform and pointwise polynomial inequalities in regions with asymptotically conformal curve on weighted Bergman space

Lobachevskii Journal of Mathematics, vol. 38, no. 2, pp. 193–205

Fahreddin Abdullayev, Tuncay Tunç

2017 Hakemli ESCI: Emerging Sources Citation Index 7 atıf Link
Interference of the weight and boundary contour for algebraic polynomials in weighted Lebesgue spaces I.

Ukr Math J, vol. 68, no. 10, pp. 1574–1590

Naciye Pelin Özkartepe, Fahreddin Abdullayev

2017 Hakemli SCI-Expanded 7 atıf Link
On the recursive sequence xn 1

Journal Math. Sci., vol. 222, no. 6, pp. 762–771

Dağıstan Şimşek, Fahreddin Abdullayev

2017 Hakemli Scopus
On the sharpness inequalities for orthonormal polynomials along a contour,

Complex Anal. Oper. Theory, vol. 11, no. 7, pp. 1569–1586

Fahreddin Abdullayev, Gülnara Abdullayev

2017 Hakemli SCI-Expanded 1 atıf Link
Polynomial inequalities in quasidisks on weighted Bergman space,

Ukr. Math. J., vol. 69, no. 5, pp. 675–695

Fahreddin Abdullayev, Tuncay Tunç, Gülnara Abdullayev, Gulnare Abdullayev

2017 Hakemli SCI-Expanded Q4 10 atıf Link
Polynomial inequalities in Lavrentiev regions with interior and exterior zero angles in the weighted Lebesgue space

Publications de l’xxInstitut Mathématique (Beograd), vol. 100, no. 114, pp. 209–227

Fahreddin Abdullayev, Pelin Özkartepe

2016 Hakemli Scopus 7 atıf Link
Uniform and pointwise Bernstein Walsh type inequalities on a quasidisk in the complex plane

Bulletin of Belg. Math.. Soc. Simon Stevin, vol. 23, no. 2, pp. 285–310

Fahreddin Abdullayev, Pelin Özkartepe

2016 Hakemli SCI-Expanded 7 atıf Link
The algebraic zero condition for orthogonal polynomials over a contour in the weighted Lebesgue spaces

Proc. IMM NASA,, vol. 42, no. 2, pp. 154–173

Fahreddin Abdullayev, Gülnara Abdullayev

2016 Hakemli ESCI: Emerging Sources Citation Index
On the some properties of the orthogonal polynomials over a contour with general Jacobi weight

Journal of Math. Sci., vol. 220, no. 5, pp. 533–553

Fahreddin Abdullayev, Gülnara Abdullayev

2016 Hakemli Scopus
Inequalıtıes for algebraıc polynomıals ın regıons wıth exterıor cusps

Journal of Nonlin. Func. Anal., vol. , no. 3, pp. 1–32

Fahreddin Abdullayev, Cevahir Doğanay Gün, Naciye Pelin Özkartepe

2015 Hakemli Scopus
Uniform and pointwise polynomial inequalities in regions with cusps in the weighted Lebesgue space Vol 7 No 2 2015 pp 231 261

Jaen Journal on Approximation,, vol. 7, no. 2, pp. 231–261

Fahreddin Abdullayev, Pelin Özkartepe

2015 Hakemli Scopus
Unıform Convergence of the P Bıeberbach Polynomıals in Domaıns wıth Zero Angles Vol 58 No 5 2015 pp 1063 1078

Science China Math,, vol. 58, no. 5, pp. 1063–1078

Fahreddin Abdullayev, Naciye Pelin Özkartepe

2015 Hakemli SSCI
On the growth of algebraic polynomials in the whole complex plane

Journal of Korean Math. Soc., vol. 52, no. 4, pp. 699–725

Fahreddin Abdullayev, Pelin Özkartepe

2015 Hakemli SCI-Expanded Link
On the Behavıor of the Algebraıc Polynomıal in Unbounded Regıons wıth Pıecewıse Dını Smooth Boundary

Ukr. Math. J., vol. 66, no. 5, pp. 645–665

Fahreddin Abdullayev, Pelin Özkartepe

2014 Hakemli SCI-Expanded 1 atıf
Uniform and pointwise polynomial inequalities in regions without cusps in the weighted Lebesgue space

Bulletin of Tbilisi ICMC,, vol. 18, no. 1, pp. 146–167

Fahreddin Abdullayev, Cevahir Doğanay Gün, Pelin Özkartepe

2014 Hakemli Scopus
On the behavior of algebraic polynomials in regions with piecewise smooth boundary without cusps

Annales Polonici Mathematici, vol. 111, no. 1, pp. 39–58

Fahreddin Abdullayev, Cevahir Doğanay Gün

2014 Hakemli SCI-Expanded 14 atıf Link
Tangent metric spaces to starlike sets on the plane

Journal of Nonlinear and Convex Analysis, vol. 14, no. 3, pp. 551–581

Dovgoshey Oleksiy, Oleksiy Dovgoshey, Fahreddin Abdullayev, Mehmet Küçükaslan, Erşan Arslan

2013 Hakemli SCI 1 atıf
An analogue of the Bernstein Walsh lemma in Jordan regions

Journal of Ineq. And Appl., vol. 1, no. 12, pp. 1–7

Fahreddin Abdullayev, Naciye Pelin Özkartepe

2013 Hakemli SCI-Expanded
On the ımprovement of the rate of convergence of the generalızed Bıeberbach polynomıals ın regıons wıth zero angles

UMJ, vol. 64, no. 5, pp. 653–671

Fahreddin Abdullayev, Özkartepepelin Özkartepe

2012 Hakemli SCI-Expanded
On the Bernsteın Walsh Type Lemma s in Regıons of the Complex Plane

UMJ, vol. 63, no. 3, pp. 337–350

Abdullayev Fahreddin, Aral D

2011 Hakemli SCI-Expanded 2 atıf
Convergence of the p Bieberbach polynomials in regions with zero angles

PROCEEDINGS OF THE ESTONIAN ACADEMY OF SCIENCES, vol. 60, no. 2, pp. 104–

Cem Koşar, Mehmet Küçükaslan, Fahreddin Abdullayev, Ayşen Özcan

2011 Hakemli SCI Link
On the approximation of analytic functions by Fejer sums of of Faber polynomials

Proc.AS of Bulgarian “Math. Anal. Dif . Equ. and Appl., vol. 2, no. 3, pp. 101–112

Abdullayev Fahreddin, Zaderey N, Zaderey P

2011 Hakemli
Uniform Convergence of the p Bierberbach Polynomials in Regions with Zero Angles

Proceeding of the Estonian Academy of Science, vol. 60, no. 2, pp. 104–114

Abdullayev Fahreddin, Koşar C, Küçükaslan M

2011 Hakemli SCI-Expanded
Metric spaces with unique pretangent spaces Conditions of the uniqueness

Ann. Acad. Sci. Fenn. Math, vol. 36, no. 4, pp. 353–392

Fahreddin Abdullayev, Dovgoshey Oleksiy, Oleksiy Oleksiy, Mehmet Küçükaslan

2011 Hakemli SCI-Expanded 11 atıf Link
Tangent space of metric spaces sequential approach C

Proc. Ukr Math . Cong, vol. 6, no. 5, pp. 5–20

Fahreddin Abdullayev, Mehmet Küçükaslan, Oleksıy Dovgoshey

2011 Hakemli Zentr.Blatt
One property of domains with corners

Zbirnik prats Institutu Matematiki NAN Uklrainu, vol. 8, no. 1, pp. 1–5

Abdullayev Fahreddin, I A Shevchuk, T M Zherebko

2011 Hakemli
Uniform Convergence of Extremal Polynomials when domain have corners and special cusps on the boundary

Advances in Pure Mathematics, vol. 01, no. 06, pp. 305–314

Fahreddin Abdullayev, Cem Koşar, Mehmet Küçükaslan

2011 Hakemli Math Review 2 atıf Link
Uniform Convergence of Extremal Polynomials in Domains with Corners and Special Cusps on the Adv

Adv. in Pure Math, vol. 1, no. 1, pp. 305–314

Abdullayev Fahreddin, Koşar C, Küçükaslan M

2011 Hakemli Math.Rew.,Scholar. 1 atıf
The Relation Between Different Norms of Algebraic Polynomials in the Regions of Complex Plane

Azerbaijan Journal of Mathematics, vol. 1, no. 1, pp. 1–13

Abdullayev Fahreddin, Aral D

2011 Hakemli
Bernstein Walsh type estimations for the unbounded regions of complex plane

Proc. AS of Bulgarian “Math. Anal. Dif . Equ. and Appl., vol. 2, no. 3, pp. 101–112

Abdullayev Fahreddin, Aral N D, Ozkartepe N P

2011 Hakemli
Uniform Convergence of Fourier series on Compact Subsetes

Sarajevo Journal of Mathematics, vol. 6, no. 18, pp. 203215–215

Mehmet Küçükaslan, Fahreddin Abdullayev

2010 Hakemli Math Reviews, Zentralblatt Math.
Compactness and boundedness of tangent spaces to metric spaces

Beitraege zur Algebra und Geometrie, vol. 51, no. 2, pp. 547–576

Fahreddin Abdullayev, Oleksıy Dovgoshey, Oleksiy Dovgoshey, Mehmet Küçükaslan

2010 Hakemli ESCI 26 atıf
Unıform Convergence of Some Extremal Polynomıals In Domaın Wıth Corners on the Boundary

Journal of Inequalities and Applications, vol. 10, no. 2, pp. 1–10

Mehmet Küçükaslan, Cem Koşar, Fahreddin Abdullayev

2010 Hakemli SCI-Expanded
On the orthogonal polynomials with weight having singularity on the boundary of regions of the complex plane

Bulletin of Belgian Mathematical Society, vol. 16, no. 2, pp. 235–250

Fahreddin Abdullayev, Uğur Değer

2009 Hakemli SCI-Expanded 6 atıf Link
New extremal polynomials and their approximation properties

NOVİ SAD J. MATH, vol. , no. , pp. –

Mehmet Küçükaslan, Fahreddin Abdullayev, Hafize Çalışkan

2009 Hakemli Diğer endeksler
New extremal polynomials and its approximations properties

Novisad Journal of Mathematics, vol. 39, no. 3, pp. 1–12

Abdullayev Fahreddin, Küçükaslan M

2009 Hakemli Scholar, Math. Rew. Zent.MATH 5 atıf
Tangent metric spaces to convex sets on the plane

Reports of the Dep. of Math. Univ. of Helsinki, Preprint, vol. 481, no. 2, pp. 1–32

Abdullayev Fahreddin, Dovgoshey A, Küçükaslan M

2008 Hakemli Math.Rew. Zentr.MATT 5 atıf
Compact tangent metric spaces

Reports of the Dep. of Math. Univ. of Helsinki, Preprint, vol. 482, no. 3, pp. 1–34

Abdullayev Fahreddin, Dovgoshey A, Küçükaslan M

2008 Hakemli Math.Rew., Scholar 1 atıf
On the convergence of the Bieberbach polynomials inside the domains of the complex plane

Bull. Belg. Math. Soc., vol. 13, no. 13, pp. 657671–671

Fahreddin Abdullayev, Mehmet Küçükaslan, Tuncay Tunç

2006 Hakemli SCI 1 atıf
Letter to the Editor

Math. Notes, vol. 80, no. 1, pp. 154–15

Abdullayev Fahreddin, Dovgoshey A

2006 Hakemli SCI-Expanded
Convergence of Bieberbach polynomials inside domains of the complex plane

BULLETIN OF THE BELGIAN MATHEMATICAL SOCIETY-SIMON STEVIN, vol. 13, no. 4, pp. 15–671

Mehmet Küçükaslan, Tuncay Tunç, Fahreddin Abdullayev

2006 Hakemli SCI Q4 Link
General Bıeberbach Polynomıals

Transactions of IAMM of NAS of Ukraine, vol. 13, no. 2, pp. 3–11

Abdullayev Fahreddin, Dovgoshey Oa

2006 Hakemli
Teorema Segö oblasti Caratheodory i ogranichennost vichislyayushix funktsionalov

Math. Notes, vol. 77, no. 1, pp. 3–15

Fahreddin Abdullayev, Oleksıy Dovgoshey

2005 Hakemli SCI-Expanded 1 atıf
The logarithmic asymptotic expansions for the norms of evaluation functionals

SIBERIAN MATHEMATICAL JOURNAL, vol. , no. , pp. –

Dovgoshey Oleksiy, Fahreddin Abdullayev, Mehmet Küçükaslan

2005 Hakemli SCI-Expanded
Bieberbach polynomials relatively of the Borel measure

Dok. NASU., vol. 2, no. 3, pp. 7–10

Fahreddin Abdullayev, Oleksiy Dovgoshey

2005 Hakemli Ref Journal, Scholar, Math.Rew., Zentr.Math
Logarithmic Asymptotic Behaviour of Norms of Point Evaluation Functionals

Sib. Math. J., vol. 4, no. 4, pp. 613–622

Abdullayev Fahreddin, Dovgoshey A, Küçükaslan M

2005 Hakemli SCI-Expanded
Uniform estimates for polynomial approximation in domains with corners

J. Approx. Theory, vol. 137, no. 34, pp. 143–165

Abdullayev Fahreddin, Shevchuk I A

2005 Hakemli SSCI 3 atıf
The properties of the orthogonal polynomials with weight having singularity on the boundary contour

Journal of Com. Anal. and its Appl., vol. 6, no. 1, pp. 43–60

Fahreddin Abdullayev

2004 Hakemli SCI-Expanded 8 atıf
On the interference of the weight and boundary contour for orthog polyn over the region

Journal of Com. Anal. and its Appl., vol. 4, no. 1, pp. 31–42

Abdullayev Fahreddin

2004 Hakemli SCI-Expanded 8 atıf
About an convergence of the Bieberbach Polynomials inside the domains of the complex plane Proc Ukr Math Cong 2001

Approx. Theory and Har. Analysis, vol. 5, no. 22, pp. 5–22

Abdullayev Fahreddin

2002 Hakemli
On the Szegö s Theorem Harmonic Measure and Caratheodory Domains

Dokl. Azerb. NAS, vol. 5, no. 6, pp. 472–477

Abdullayev Fahreddin, Dovgoshey A

2002 Hakemli
On some properties of orthogonal polynomials over an area with weight having singularity on the boundary contour

Constructive Theory of Functions, Proc. Int. Conf. Ded. to 70-th birt of B. Sendov, vol. 19, no. 23, pp. 178–183

Abdullayev Fahreddin

2002 Hakemli Math.rew.
On the convergence of the Fourier series with orthonormal polynomials inside and of the closure of a regionpp

Ukr. Math. J., vol. 54, no. 10, pp. 1567–1582

Abdullayev Fahreddin, Küçükaslan Mehmet

2002 Hakemli
General Bieberbach polynomials and point evaluations

Reports of the Dep. of Math. Univ. of Helsinki, vol. 33, no. 1, pp. 1–12

Abdullayev Fahreddin, Dovgoshey A

2002 Hakemli
On the properties of orthogonal polynomials over a region with analytic weight function

Inter. J. of Pure and Appl. Math., vol. 2, no. 4, pp. 379–391

Fahreddin Abdullayev, Mehmet Küçükaslan, M. Tayyar Karayiğit, Birol Korel Göymen, Yüksel Demirkaya

2002 Hakemli Diğer endeksler
On the questions of the convergence of the Bieberbach polynomials inside the domains

Dok. NAS Ukr, vol. 9, no. 9, pp. 10–17

Abdullayev Fahreddin

2001 Hakemli
On the convergence of Bieberbach polynomials in domains with interior zero angles Vol No 2 2001 pp 144 A Baki SCI Expanded

Complex Variables: Theor. and Appl., vol. 44, no. 2, pp. 131–144

Abdullayev Fahreddin, Baki A

2001 Hakemli SCI-Expanded 13 atıf
On the convergence of the Fourier series of orthonormal polynomials in the domain with piesewise smooth boundary

Proc. IMM NAN Azerb., vol. 14, no. 9, pp. 3–9

Abdullayev Fahreddin, Küçükaslan Mehmet

2001 Hakemli Ref. Journal, Math. Rew., Zentr. Math. 4 atıf
On some properties of orthogonal polynomials over an area in domains of the complex plane III

Ukr. Math. J., vol. 53, no. 12, pp. 1588–1599

Fahreddin Abdullayev

2001 Hakemli SCI-Expanded
Uniform convergence of the Bieberbach polynomials inside and closure the domains of the complex plane Vol 7 1 2001 pp 77 101

East J. Approx., vol. 7, no. 1, pp. 77–101

Abdullayev Fahreddin

2001 Hakemli Math.Rew., Zentr. MATH., Ref. Journal 13 atıf
Uniform convergence of the generalized Bieberbach polynomials in regions with zero angles

Czech. Math. J., vol. 51, no. 126, pp. 643–660

Abdullayev Fahreddin

2001 Hakemli SCI-Expanded 8 atıf
On the some properties on orthogonal polynomials over the regions of complex plane II

Ukr. Math. J., vol. 53, no. 1, pp. 1–14

Abdullayev Fahreddin

2001 Hakemli SCI-Expanded 1 atıf
On the uniform convergence of the generalized Bieberbach polynomials in regions with quasiconformal boundary

Proc. IMM AS Azerb.Rep, vol. 13, no. 21, pp. 25–32

Fahreddin Abdullayev, Çavuş A

2000 Hakemli Math.Rew., Ref.Journal, Zentr.Math. 4 atıf
On some properties on orthogonal polynomials over an area in domains of complex plane 1

Ukr. Math. J., vol. 52, no. 12, pp. 1587–1595

Fahreddin Abdullayev

2000 Hakemli SCI-Expanded 6 atıf
Uniform convergence of the generalized Bieberbach polynomials in domain of complex plane

Proc. IM NAS Ukrainian: "Approx. Theory and its Appl., vol. 31, no. 4, pp. 5–18

Abdullayev Fahreddin

2000 Hakemli
On the Convergence of the Fourier Series of the Orthonormal Polynomials in the Complex Plane

JOURNAL OF SCİENCE AND ENGİNEERİNG, vol. , no. , pp. –

Fahreddin Abdullayev, Mehmet Küçükaslan

1999 Hakemli Diğer endeksler
On the convergence of extremal polynomials in regions on complex plane

Proc. IAMM NAS Ukrainian " Theory appox. func." Ukraina, vol. 3, no. 14, pp. 23–27

Abdullayev Fahreddin

1998 Hakemli
Approximation properties of the generalized Bieberbach polynomials in domain with piecewise quasiconformal boundary

Dokl. Akad. Ukr, vol. 2, no. 5, pp. 23–28

Abdullayev Fahreddin

1997 Hakemli
Extremal polynomials and their approx properties in domains with zero angles

Proc. Ins. of Math. and Mech. Acad. Sci. Azerb. Rep., vol. 7, no. 2, pp. 12–20

Abdullayev Fahreddin

1997 Hakemli
Uniform convergence of the generalized Bieberbach polynomials in regions with non zero angles Acta Math Hungarica

Acta Math. Hungarica, vol. 77, no. 3, pp. 24–48

Fahreddin Abdullayev

1997 Hakemli SCI 26 atıf
On the convergence of Bieberbach polynomials in domain with zero angles

Dokl. Ukr. SSR, vol. 12, no. 4, pp. 4–9

Abdullayev Fahreddin

1989 Hakemli
On the convergence of Bieberbach polynomials in domain with picewise quasiconformal boundary

Izv. AS Azerb. SSR., vol. 4, no. 5, pp. 13–17

Abdullayev Fahreddin

1989 Hakemli
On the convergence of Fourier series in domain with zero angles

Dokl. AS Azerb. SSR, vol. 3, no. 14, pp. 15–19

Abdullayev Fahreddin

1988 Hakemli
On the properties of orthogonal polynomials in domain with piecewise quasiconform boundary

Izv. AS Azerb. SSR, vol. 6, no. 18, pp. 3–7

Abdullayev Fahreddin

1988 Hakemli
On the orthogonal polynomials with unique weight

Izv. AS Azerb. SSR, vol. 4, no. 12, pp. 7–10

Abdullayev Fahreddin

1986 Hakemli
On the orthogonal polynomials with shocks weight

Izv.AS Azerb. SSR, vol. 3, no. 15, pp. 3–7

Abdullayev Fahreddin

1985 Hakemli Math.Rew. Zentr.MATH., Ref.Jour. 4 atıf
On the convergence of Fourier series on orthonormal polynomials in domain with arbitrary K quasiconformal boundary

Izv. AS Azerb. SSR,, vol. 3, no. 7, pp. 3–7

Fahreddin Abdullayev

1983 Hakemli SCI 1 atıf
On the orthogonal polynomials in domain with quasiconformal boundary

Izv. AS Azerb. SSR, vol. 1, no. 23, pp. 7–11

Fahreddin Abdullayev, Vladimir Andrievskii

1983 Hakemli SCI 35 atıf
On the Poıntwıse Growth of Polynomıals in Unbounded Regıons wıth Quasıconformal Boundary

Cumh. Science Jornal, vol. 2, no. 2, pp. 1–2

Fahreddin Abdullayev, Nazlım Deniz Aral

2012 Hakemli TR DİZİN
On the convergence of the Fourier Series of orthogonal Polynomials in the compleks Plane

F.U. Fen ve Müh. Bilimleri Dergisi, vol. 11, no. 3, pp. 157–166

Fahreddin Abdullayev, Mehmet Küçükaslan

1999 Hakemli Ulakbim
Bernsteyn Nikolskii type inequality in domains with quasiconformal boundary

Proc. of IX Republican Conference of Young Scientist on Mathematics and Mechanics,, vol. 1, no. 1, pp. 8–9

Fahreddin Abdullayev

1989 Hakemli Ref. Journal
Representation of orthogonal polynomials on compact Dep

in VINITI, vol. 2756, no. 5, pp. 1–2

Abdullayev Fahreddin

1985 Hakemli
APPROXIMATE PROPERTIES OF THE p-BIEBERBACH POLYNOMIALS IN REGIONS WITH SIMULTANEOUSLY EXTERIOR AND INTERIOR ZERO ANGLES

QUAESTIONES MATHEMATICAE, vol. 44, no. 10, pp. 1409–1426

Abdullayev F. G., Imashkyzy M., Ozkartepe P.

2021 Link
Uniform convergence of the p-Bieberbach polynomials in domains with zero angles

SCIENCE CHINA-MATHEMATICS, vol. 58, no. 5, pp. 1063–1078

Abdullayev Fahreddin G., Ozkartepe Pelin N.

2015 2 atıf Link
On the improvement of the rate of convergence of the generalized Bieberbach polynomials in domains with zero angles

UKRAINIAN MATHEMATICAL JOURNAL, vol. 64, no. 5, pp. 653–671

Abdullayev F. G., Ozkartepe N. P.

2012 Link
ON BERNSTEIN-WALSH-TYPE LEMMAS IN REGIONS OF THE COMPLEX PLANE

UKRAINIAN MATHEMATICAL JOURNAL, vol. 63, no. 3, pp. 337–350

Abdullayev F. G., Aral N. D.

2011 11 atıf Link
Uniform Convergence of Some Extremal Polynomials in Domain with Corners on the Boundary

JOURNAL OF INEQUALITIES AND APPLICATIONS, vol. 2010, no. 1, pp. 716176–

Kucukaslan M., Kosar C., Abdullayev F. G.

2010 1 atıf Link
On the orthogonal polynomials with weight having singularities on the boundary of regions in the complex plane

BULLETIN OF THE BELGIAN MATHEMATICAL SOCIETY-SIMON STEVIN, vol. 16, no. 2, pp. 235–250

Abdullayev F. G., Deger U.

2009 11 atıf Link
Convergence of Bieberbach polynomials inside domains of the complex plane

BULLETIN OF THE BELGIAN MATHEMATICAL SOCIETY-SIMON STEVIN, vol. 13, no. 4, pp. 657–671

Kucukaslan M., Tunc T., Abdullayev F. G.

2006 Link
Untitled

MATHEMATICAL NOTES, vol. 80, no. 1-2, pp. 154–155

Abdullayev F. G., Dovgoshei A. A.

2006 Link
Szego theorem, caratheodory domains, and boundedness of calculating functionals

MATHEMATICAL NOTES, vol. 77, no. 1-2, pp. 3–14

Abdullayev Fg, Dovgoshei Aa

2005 Link
Uniform estimates for polynomial approximation in domains with corners

JOURNAL OF APPROXIMATION THEORY, vol. 137, no. 2, pp. 143–165

Abdullayev Fg, Shevchuk Ia

2005 Link
On the interference of the weight and boundary contour for orthogonal polynomials over the region

JOURNAL OF COMPUTATIONAL ANALYSIS AND APPLICATIONS, vol. 6, no. 1, pp. 31–41

Abdullayev Fg

2004 1 atıf Link
Uniform convergence of the generalized Bieberbach polynomials in regions with zero angles

CZECHOSLOVAK MATHEMATICAL JOURNAL, vol. 51, no. 3, pp. 643–660

Abdullayev Fg

2001 5 atıf Link