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Turkish Journal of Mathematics

Volume 43, Number 4 (2019)

Cover and Contents

Articles

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On surfaces endowed with a canonical principal direction in Euclidean 4-spaces
ALEV KELLECİ, NURETTİN CENK TURGAY, and MAHMUT ERGÜT
Pages 1867-1877

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On uniformly $pr$-ideals in commutative rings
RABİA NAGEHAN ÜREGEN
Pages 1878-1886

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On hypercyclic fully zero-simple semihypergroups
MARIO DE SALVO, DOMENICO FRENI, and GIOVANNI LO FARO
Pages 1905-1918

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Some results related to the Berezin number inequalities
ULAŞ YAMANCI and MÜBARİZ TAPDIGOĞLU
Pages 1940-1952

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Some applications of differential subordination for certain starlike functions
RAHIM KARGAR and LUCYNA TROJNAR SPELINA
Pages 1979-1987

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Multiplication modules with prime spectrum
ORTAÇ ÖNEŞ and MUSTAFA ALKAN
Pages 2000-2009

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A description for the compactification of the orbit space
DÜNYA KARAPINAR and ALİ ARSLAN ÖZKURT
Pages 2025-2031

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Approximation by generalized Bernstein-Stancu operators
NURSEL ÇETİN and VOICHITA ADRIANA RADU
Pages 2032-2048

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On Hirano inverses in rings
HUANYIN CHEN and MARJAN SHEIBANI ABDOLYOUSEFI
Pages 2049-2057

Editors

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

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

Editorial Board