Turkish Journal of Mathematics
Volume 44, Number 1 (2020)
Cover and Contents
Articles
Polarization of neural codes
KATIE CHRISTENSEN and HAMID KULOSMAN
Pages 1-18
Asymptotic properties of solutions to second-order difference equations
JANUSZ MIGDA
Pages 19-30
Submanifolds of almost poly-Norden Riemannian manifolds
SELCEN YÜKSEL PERKTAŞ
Pages 31-49
Nonabelian cocycles and the spectrum of a symmetric monoidal category
ANTONIO M. CEGARRA
Pages 50-84
Galerkin-like method for solving linear functional differential equations underinitial conditions
ŞUAYİP YÜZBAŞI and MURAT KARAÇAYIR
Pages 85-97
Coefficient estimation of a certain subclass of bi-close-to-convex functions analytic in the exterior of the unit disc
SARBESWAR BARIK
Pages 98-107
Weighted composition operators from the Bloch space to nth weighted-typespaces
EBRAHIM ABBASI, SONGXIAO LI, and HAMID VAEZI
Pages 108-117
Unimodality and linear recurrences associated with rays in the Delannoy triangle
SAID AMROUCHE and HACENE BELBACHIR
Pages 118-130
The $2$-adic and $3$-adic valuation of the Tripell sequence and an application
JHON JAIRO BRAVO, MARIBEL DÍAZ, and JOSÉ LUIS RAMÍREZ
Pages 131-141
On the product of dilation of truncated Toeplitz operators
ZOHRA BENDAOUD and NAFISSA SAOULI
Pages 142-151
Sensitivity analysis in parametric vector optimization in Banach spaces via ${\tau}^w$-contingent derivatives
THANH TUNG LE and THANH HUNG PHAM
Pages 152-168
Locally $d_\delta$-connected and locally $D_\delta$-compact spaces
HARSHIT MATHUR and DAVINDER SINGH
Pages 169-178
Geometric properties of partial sums of generalized Koebe function
ERHAN DENİZ and ERKAN YALÇIN
Pages 194-206
On ${\bf H}$-curvature of $(\alpha,\beta)$-metrics
AKBAR TAYEBI and MASOOME RAZGORDANI
Pages 207-222
A reduced computational matrix approach with convergence estimation for solving model differential equations involving specific nonlinearities of quartic type
ÖMÜR KIVANÇ KÜRKÇÜ
Pages 223-239
General coefficient estimates for bi-univalent functions: a new approach
OQLAH ALREFAI and MOHAMMED ALI
Pages 240-251
Conformally flat Willmore spacelike hypersurfaces in $\mathbb{R}^{n+1}_1$
ZONGGANG DENG and TONGZHU LI
Pages 252-273
Vector fields and planes in $\mathbb{E}^4$ which play the role of Darboux vector
MUSTAFA DÜLDÜL
Pages 274-283
Direct and inverse approximation theorems in the weighted Orlicz-type spaces with a variable exponent
FAHREDDİN ABDULLAYEV, STANISLAV CHAICHENKO, MEERIM IMASH KYZY, and ANDRII SHIDLICH
Pages 284-299
Ruled surfaces obtained by bending of curves
UĞUR GÖZÜTOK, HÜSNÜ ANIL ÇOBAN, and YASEMİN SAĞIROĞLU
Pages 300-306
Evaluation of sums of products of Gaussian $q$-binomial coefficients with rational weight functions
TALHA ARIKAN, EMRAH KILIÇ, and HELMUT PRODINGER
Pages 307-318
A generalization of the Minkowski distance and new definitions of the central conics
HARUN BARIŞ ÇOLAKOĞLU
Pages 319-333
Continuous dependence of solutions for damped improved Boussinesq equation
SEMA BAYRAKTAR and ŞEVKET GÜR
Pages 334-341
Coefficient estimates for the class of quasi q-convex functions
OSMAN ALTINTAŞ and SEHER MELİKE AYDOĞAN
Pages 342-347
Approximation by matrix transforms in weighted Orlicz spaces
SADULLA JAFAROV
Pages 179-193
Editors
- Editor-in-Chief
- Prof. Dr. Adnan TERCAN Hacettepe University
- Associate Editor-in-Chief
- Prof. Dr. Aydın GEZER Atatürk University
