Turkish Journal of Mathematics
Volume 45, Number 4 (2021)
Cover and Contents
Articles
On b-generalized skew derivations in Banach algebras
ABDUL NADIM KHAN
Pages 1495-1505
Statistically multiplicative convergence on locally solid Riesz algebras
ABDULLAH AYDIN and MİKAİL ET
Pages 1506-1516
Fundamental group of Galois covers of degree 5 surfaces
MEIRAV AMRAM, CHENG GONG, MINA TEICHER, and WAN-YUAN XU
Pages 1517-1542
Generalized Stevi\'c-Sharma type operators from Hardy spaces into $n$th weighted type spaces
EBRAHIM ABBASI, Yongmin LIU, and Mostafa HASSANLOU
Pages 1543-1554
b-Property of sublattices in vector lattices
ÖMER ŞAFAK ALPAY and SVETLANA GOROKHOVA
Pages 1555-1563
Theory and numerical approaches of high order fractional Sturm-Liouville problems
TAHEREH HOULARI, MOHAMMAD DEHGHAN, JAFAR BIAZAR, and ALIREZA NOURI
Pages 1564-1579
Logarithmic dimension and bases in Whitney spaces
ALEXANDER GONCHAROV and YASEMİN ŞENGÜL TEZEL
Pages 1580-1591
On congruences related to trinomial coefficients and harmonic numbers
NEŞE ÖMÜR, SİBEL KOPARAL, and LAID ELKHIRI
Pages 1592-1604
Relative conics and their Brianchon points
MAGDALENA LAMPA-BACZYNSKA and DANIEL WOJCIK
Pages 1605-1618
A refinement of the Bergström inequality
GÜLTEKİN TINAZTEPE, İLKNUR YEŞİLCE, and GABİL ADİLOV
Pages 1619-1625
Ranks of nilpotent subsemigroups of order-preserving and decreasing transformation semigroups
EMRAH KORKMAZ and HAYRULLAH AYIK
Pages 1626-1634
Ideal triangulation and disc unfolding of a singular flat surface
İSMAİL SAĞLAM
Pages 1635-1648
On the spectra of generalized Fibonomial and Jacobsthal-binomial graphs
HATİCE TOPCU and NURTEN YÜCEL
Pages 1649-1659
Decompositions of Complete Symmetric Directed Graphs into the Oriented Heptagons
UĞUR ODABAŞI
Pages 1660-1667
On the Local and Global Stability of an SIRS Epidemic Model with Logistic Growth and Information Intervention
İREM ÇAY
Pages 1668-1677
Mixed Lagrange Function in Minimax Fractional Programming Problems
SHUNCHIN HO
Pages 1678-1688
On Hilbert genus fields of imaginary cyclic quartic fields
MOULAY AHMED HAJJAMI and MOHAMED MAHMOUD CHEMS EDDIN
Pages 1689-1704
Conformal Bi-slant Submersions
SEZİN AYKURT SEPET
Pages 1705-1723
Relationship between lattice ordered semigroups and ordered hypersemigroups
NIOVI KEHAYOPULU
Pages 1724-1737
Global attractivity of delay difference equations in Banach spaces via fixed-point theory
ABDULLAH KALKAN
Pages 1738-1756
C_11 modules via left exact preradicals
RAMAZAN YAŞAR
Pages 1757-1766
A regularized trace formula for "weighted" Sturm-Liouville equation with point delta-interaction
MANAF MANAFLI
Pages 1767-1774
Domination parameters on Cayley digraphs of transformation semigroups with fixed sets
NUTTAWOOT NUPO and CHOLLAWAT POOKPIENLERT
Pages 1775-1788
Some Properties of the Semigroup $PG_Y(X)$: Green's Relations, Ideals, Isomorphism Theorems and Ranks
WORACHEAD SOMMANEE
Pages 1789-1800
New results on derivatives of the shape operator of a real hypersurface in a complex projective space
JUAN DE DIOS PEREZ and DAVID PÉREZ-LÓPEZ
Pages 1801-1808
General characteristics of a fractal Sturm-Liouville problem
FATMA AYÇA ÇETİNKAYA and ALIREZA KHALILI GOLMANKANEH
Pages 1835-1846
Half Inverse Problems For The Impulsive Quadratic Pencil With The Discontinouty Coefficient
RAUF AMİROV and SEVİM DURAK
Pages 1847-1870
On some nonlocal inverse boundary problem for partial differential equations of third order
ZIYATKHAN S. ALIYEV, YASHAR T. MEHRALIYEV, and ELMIRA H. YUSIFOVA
Pages 1871-1886
On Sense of Yamakawa family of meromorphic bi-univalent and bi-subordinate functions
FETHİYE MÜGE SAKAR
Pages 1887-1898
Normalized null hypersurfaces in non-flat Lorentzian space forms satisfying $L_r x =\mathcal U x +b$
HANS FOTSING TETSING
Pages 1809-1834
Editors
- Editor-in-Chief
- Prof. Dr. Adnan TERCAN Hacettepe University
- Associate Editor-in-Chief
- Prof. Dr. Aydın GEZER Atatürk University
