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Turkish Journal of Mathematics

Volume 43, Number 3 (2019)

Cover and Contents

Articles

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Numerical solutions of Black-Scholesintegro-differential equations with convergenceanalysis
AZIM RIVAZ, MAHMOUD MOHSENI MOGHADAM, and SAMANEH BANIASADI
Pages 1080-1094

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Companion sequences associated to the$r$-Fibonacci sequence: algebraic and combinatorial properties
SADJIA ABBAD, HACENE BELBACHIR, and BENALI BENZAGHOU
Pages 1095-1114

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Nonnegative integer solutions of the equation $F_{n}-F_{m}=5^{a}$
FATİH ERDUVAN and REFİK KESKİN
Pages 1115-1123

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On Wiener's Tauberian theorems and convolution for oscillatory integral operators
LUIS PINHEIRO DE CASTRO, RITA CORREIA GUERRA, and NGUYEN MINH TUAN
Pages 1124-1147

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$\alpha$-Associated metrics on rigged null hypersurfaces
FERDINAND NGAKEU and HANS FOTSING TETSING
Pages 1161-1181

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A new solution of pair matrix equations with arbitrary triangular fuzzy numbers
WAN SUHANA WAN DAUD, NAZIHAH AHMAD, and GHASSAN MALKAWI
Pages 1195-1217

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Multiplication alteration by two-cocycles for bialgebras with weak antipode
JOSE NICANOR ALONSO, JOSÉ MANUEL FERNANDEZ VILABOA, and RAMON GONZALEZ RODRIGUEZ
Pages 1218-1231

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The cissoid of Diocles in the Lorentz-Minkowski plane
ŞENAY BAYDAŞ and BÜLENT KARAKAŞ
Pages 1232-1240

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Legendre wavelet solution of high order nonlinear ordinary delay differential equations
SEVİN GÜMGÜM, DEMET ÖZDEK, and GÖKÇE ÖZALTUN
Pages 1339-1352

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Star-likeness associated with the exponential function
ADIBA NAZ, SUMIT NAGPAL, and V. RAVICHANDRAN
Pages 1353-1371

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Value sets of folding polynomials over finite fields
ÖMER KÜÇÜKSAKALLI
Pages 1407-1413

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On the Cohen-Macaulayness of tangent cones of monomial curves in $\mathbb{A}^{4}(K)$
SEFA FEZA ARSLAN, ANARGYROS KATSAMPEKIS, and MELİSSA NALBANDİYAN
Pages 1425-1446

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Generalized helices in three-dimensional Lie groups
ALEXANDER YAMPOLSKY and ANASTASIYA OPARIY
Pages 1447-1455

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On image summand coinvariant modules and kernel summand invariant modules
DERYA KESKİN TÜTÜNCÜ, YOSUKE KURATOMI, and YOSHIHARU SHIBATA
Pages 1456-1473

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On distribution of upper marginal records in bivariate random sequences
GÜLDER KEMALBAY and İSMİHAN BAYRAMOĞLU
Pages 1474-1491

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Construction of higher groupoids via matched pairs actions
KORAY YILMAZ and ERDAL ULUALAN
Pages 1492-1503

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On the distance formulae in the generalized taxicab geometry
HARUN BARIŞ ÇOLAKOĞLU
Pages 1578-1594

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On a new generalization of telephone numbers
URSZULA BEDNARZ and MA?GORZATA WO?OWIEC-MUSIA?
Pages 1595-1603

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On the solvability of the main boundary value problems for a nonlocal Poisson equation
VALERY KARACHIK, ABDIZHAHAN SARSENBI, and BATIRKHAN TURMETOV
Pages 1604-1625

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On the exponential Diophantine equation $P_n^x+P_{n+1}^x=P_m$
SALAH EDDINE RIHANE, BERNADETTE FAYE, FLORIAN LUCA, and ALAIN TOGBE
Pages 1640-1649

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On null submanifolds of generalized Robertson-Walker space forms
FORTUNE MASSAMBA, Mohamed H. A. Hamed, and SAMUEL SSEKAJJA
Pages 1650-1667

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The spectral expansion for the Hahn-Dirac system on the whole line
BİLENDER PAŞAOĞLU and HÜSEYİN TUNA
Pages 1668-1687

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Some ergodic properties of multipliers on commutative Banach algebras
HEYBETKULU MUSTAFAYEV and HAYRİ TOPAL
Pages 1721-1729

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On isotropic projective Ricci curvature of C-reducible Finsler metrics
LAYA GHAEMNEZHAD, BAHMAN REZAEI, and MEHRAN GABRANI
Pages 1730-1741

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Perfect numerical semigroups
MARÍA ÁNGELES MORENO FRÍAS and JOSE CARLOS ROSALES
Pages 1742-1754

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An involution of reals, discontinuous on rationals, and whose derivative vanishes a.e.
ABDURRAHMAN MUHAMMED ULUDAĞ and HAKAN AYRAL
Pages 1770-1775

Editors

Editor-in-Chief
Prof. Dr. Adnan TERCAN
Hacettepe University

Associate Editor-in-Chief
Prof. Dr. Aydın GEZER
Atatürk University

Editorial Board