Turkish Journal of Mathematics
Volume 45, Number 3 (2021)
Cover and Contents
Articles
Solving fractional differential equations using collocation method based on hybrid of block-pulse functions and Taylor polynomials
YAO LU and YINGGAN TANG
Pages 1065-1078
Classification of genus-$1$ holomorphic Lefschetz pencils
NORIYUKI HAMADA and KENTA HAYANO
Pages 1079-1119
On ordered $\Gamma$-hypersemigroups and their relation to lattice ordered semigroups
NIOVI KEHAYOPULU
Pages 1120-1132
Soft $\beta$-rough sets and their application to determine COVID-19
MOSTAFA K. EL BABLY and ABD EL FATTAH A. EL ATIK
Pages 1133-1148
Existence results for a class of boundary value problems for fractional differential equations
ABDÜLKADİR DOĞAN
Pages 1149-1165
Repdigits as sums of two generalized Lucas numbers
SAI GOPAL RAYAGURU and JHON JAIRO BRAVO
Pages 1166-1179
On self-orthogonality and self-duality of matrix-product codes over commutative rings
ABDULAZIZ DEAJIM and MOHAMED BOUYE
Pages 1180-1194
Fekete-Szegö problem for a new subclass of analytic functions satisfying subordinate condition associated with Chebyshev polynomials
MUHAMMET KAMALİ, MURAT ÇAĞLAR, ERHAN DENİZ, and MIRZAOLIM TURABAEV
Pages 1195-1208
Yau-type ternary Hom-Lie bialgebras
ELKADRI ABDAOUI, SAMI MABROUK, ABDENACER MAKHLOUF, and SONIA MASSOUD
Pages 1209-1240
The $2$-rank of the class group of some real cyclic quartic number fields II
ABDELMALEK AZIZI, MOHAMMED TAMIMI, and ABDELKADER ZEKHNINI
Pages 1241-1269
Second Hankel determinant for Mocanu type bi-starlike functionsrelated to shell-shaped region
NİZAMİ MUSTAFA and GANGADHARAN MURUNGUSUNDARAMOORTHY
Pages 1270-1286
General rotational $\xi -$surfaces in Euclidean spaces
KADRİ ARSLAN, YILMAZ AYDIN, and BETÜL BULCA
Pages 1287-1299
A class of operators related to $m$-symmetric operators
FEI ZUO and SALAH MECHERI
Pages 1300-1309
Multipliers and $\mathcal{I}$-core for sequences
MUSTAFA GÜLFIRAT and NİLAY ŞAHİN BAYRAM
Pages 1310-1318
On 2-algebras: crossed R-modules and categorical R-algebras
ZEKERİYA ARVASİ and ELİF ILGAZ ÇAĞLAYAN
Pages 1319-1336
Banach algebra structure on strongly simple extensions
SARA EL KINANI
Pages 1337-1344
The extension of step-$N$ signatures
KISTOSIL FAHIM
Pages 1345-1367
Existence results and Ulam-Hyers stability to impulsive coupled system fractional differential equations
HADJER BELBALI and MAAMAR BENBACHIR
Pages 1368-1385
Solvability, stability, smoothness and compactness of the set of solutions for a nonlinear functional integral equation
NGUYEN DAT THUC, LE THI PHUONG NGOC, and NGUYEN THANH LONG
Pages 1386-1406
Liftings and covering morphisms of crossed modules in group-groupoids
SERAP DEMİR KARAKAŞ and OSMAN MUCUK
Pages 1407-1417
On the analytical development of incomplete Riemann-Liouville fractional calculus
ARRAN FERNANDEZ, CEREN USTAOĞLU, and MEHMET ALİ ÖZARSLAN
Pages 1418-1443
A short note on generic initial ideals
BEKİR DANIŞ
Pages 1444-1448
Certain subclasses of spirallike univalent functions related to Poisson distribution series
LAKSHMINARAYANAN VANITHA, CHELLAKUTTI RAMACHANDRAN, and TEODOR BULBOACA
Pages 1449-1458
Integer-valued polynomials satisfying the Lucas property
RATTIYA MEESA, VICHIAN LAOHAKOSOL, and TUANGRAT CHAICHANA
Pages 1459-1478
Extensions of the matrix-valued$\ q-$Sturm-Liouville operators
BİLENDER PAŞAOĞLU and HÜSEYİN TUNA
Pages 1479-1494
Editors
- Editor-in-Chief
- Prof. Dr. Adnan TERCAN Hacettepe University
- Associate Editor-in-Chief
- Prof. Dr. Aydın GEZER Atatürk University
