Turkish Journal of Mathematics
Volume 47, Number 1 (2023)
Cover and Contents
Articles
Bipolar soft ideal rough set with applications in COVID-19
HEBA I. MUSTAFA
Pages 1-36
Pell-Lucas collocation method for solving a class of second order nonlinear differential equations with variable delays
ŞUAYİP YÜZBAŞI and GAMZE YILDIRIM
Pages 37-55
An invariant of regular isotopy for disoriented links
İSMET ALTINTAŞ and HATİCE PARLATICI
Pages 56-74
A new approach to matrix isomorphisms of complex Clifford algebras via Cantor set
DERYA ÇELİK
Pages 75-86
Forming coupled dispersionless equations of families of Bertrand curves
KEMAL EREN
Pages 87-97
On a new subclass of biunivalent functions associated with the $(p,q)$-Lucas polynomials and bi-Bazilevic type functions of order $\rho+i\xi$
HALİT ORHAN, İBRAHİM AKTAŞ, and HAVA ARIKAN
Pages 98-109
Some fractional Dirac systems
YÜKSEL YALÇINKAYA
Pages 110-122
Global bifurcation of positive solutions for a class of superlinear first-order differential systems
LIJUAN YANG and RUYUN MA
Pages 123-134
On the properties of solutions for nonautonomous third-order stochastic differential equation with a constant delay
AYMAN MOHAMMED MAHMOUD and DOAA ALI MOHAMED BAKHIT
Pages 135-158
Existence and multiplicity for positive solutions of a system of first order differential equations with multipoint and integral boundary conditions
LE THI PHUONG NGOC and NGUYEN THANH LONG
Pages 159-184
Jackson-type theorem in the weak $L_{1}$-space
RASHID ALIEV and ELDOST ISMAYILOV
Pages 185-194
On the distribution of adjacent zeros of solutions to first-order neutral differential equations
EMAD R. ATTIA, OHOUD N. AL-MASARER, and IRENA JADLOVSKA
Pages 195-212
Novel correlation coefficients for interval-valued Fermatean hesitant fuzzy sets with pattern recognition application
İBRAHİM DEMİR
Pages 213-233
Geodesics and isocline distributions in tangent bundles of nonflat Lorentzian-Heisenberg spaces
MURAT ALTUNBAŞ
Pages 234-247
On the band functions and Bloch functions
OKTAY VELİEV
Pages 248-255
A note on "Some properties of second-order weak subdifferentials" [Turkish Journal of Mathematics (2021)45: 955-960]
QILIN WANG and MIN LIU
Pages 256-260
Geometric singularities and regularity of solution of the Stokes system in nonsmooth domains
YASIR NADEEM ANJAM
Pages 261-278
Separation, connectedness, and disconnectedness
MEHMET BARAN
Pages 279-295
Biharmonic PNMCV submanifolds in Euclidean 5-space
RÜYA ŞEN and NURETTİN CENK TURGAY
Pages 296-316
Hahn-Hamiltonian systems
BİLENDER PAŞAOĞLU and HÜSEYİN TUNA
Pages 317-332
Approximation results for the moments of random walk with normally distributed interference of chance
ZÜLFİYE HANALİOĞLU, AYNURA POLADOVA, and TAHİR KHANİYEV
Pages 333-350
Generalized elliptical quaternions with some applications
HARUN BARIŞ ÇOLAKOĞLU and MUSTAFA ÖZDEMİR
Pages 351-371
On the measure of noncompactness in $L_p(\mathbb{R}^+)$ and applications to a product of $n$-integral equations
MOHAMED M. A. METWALI and VISHNU NARAYAN MISHRA
Pages 372-386
The class of demi KB-operators on Banach lattices
HEDI BENKHALED and AREF JERIBI
Pages 387-396
Inverse nodal problem for the quadratic pencil of the Sturm$-$Liouville equations with parameter-dependent nonlocal boundary condition
YAŞAR ÇAKMAK and BAKİ KESKİN
Pages 397-404
Editors
- Editor-in-Chief
- Prof. Dr. Adnan TERCAN Hacettepe University
- Associate Editor-in-Chief
- Prof. Dr. Aydın GEZER Atatürk University
