Turkish Journal of Mathematics
Volume 43, Number 5 (2019)
Cover and Contents
Articles
Categorified groupoid-sets and their Burnside ring
LAIACHI EL KAOUTIT and LEONARDO SPINOSA
Pages 2069-2096
Further results on the join graph of a finite group
ZAHRA BAHRAMI and BIJAN TAERI
Pages 2097-2113
On ps-Drazin inverses in a ring
HUANYIN CHEN and TUĞÇE ÇALCI
Pages 2114-2124
The boundedness of $h$-admissible Fourier integral operators on Bessel potential spaces
OMAR FAROUK AID and ABDERRAHMANE SENOUSSAOUI
Pages 2125-2141
Fibonacci and Lucas numbers as products of two repdigits
FATİH ERDUVAN and REFİK KESKİN
Pages 2142-2153
Some permutations and complete permutation polynomials over finite fields
PINAR ONGAN and BURCU GÜLMEZ TEMÜR
Pages 2154-2160
Positivity of continuous time irregular linear descriptor systems
MAHMOUD MANSOURI and KAMELEH NASSIRI
Pages 2161-2169
$(P,Q)$-Lucas polynomial coefficient inequalities of thebi-univalent function class
ARZU AKGÜL
Pages 2170-2176
Extending self-orthogonal codes
ALP BASSA and NESRİN TUTAŞ
Pages 2177-2182
Longest increasing subsequences in involutions avoiding patterns of length three
TOUFİK MANSOUR and GÖKHAN YILDIRIM
Pages 2183-2192
Approximation by generalized complex Szasz--Mirakyan operators in compact disks
DÖNE KARAHAN, SEVİLAY KIRCI SERENBAY, and AYDIN İZGİ
Pages 2193-2202
Asymptotic behavior of solutions of second-order difference equations of Volterra type
MALGORZATA MIGDA and ALDONA DUTKIEWICZ
Pages 2203-2217
Relative ranks of some partial transformation semigroups
EBRU YİĞİT, GONCA AYIK, and HAYRULLAH AYIK
Pages 2218-2225
A convergent two-level linear scheme for the generalizedRosenau-KdV-RLW equation
AYHAN AYDIN
Pages 2226-2245
On nonoscillatory solutions of three dimensional time-scale systems
ELVAN AKIN, TAHER S. HASSAN, ÖZKAN ÖZTÜRK, and İSMAİL UĞUR TİRYAKİ
Pages 2246-2261
Automorphisms of free metabelian Leibniz algebras of rank three
TUBA TAŞ ADIYAMAN and ZEYNEP ÖZKURT
Pages 2262-2274
A certain subclass of bi-univalent analytic functions introduced bymeans of the $q$-analogue of Noor integral operator and Horadam polynomials
ARZU AKGÜL and FETHİYE MÜGE SAKAR
Pages 2275-2286
Rational maps from Euclidean configuration spaces to spheres
URTZI BUIJS, ANTONIO GARVIN, and ANICETO MURILLO
Pages 2287-2298
On Walker 4-manifolds with pseudo bi-Hermitian structures
SİBEL TURANLI
Pages 2299-2307
Spectral analysis of some classes first-order normal differential operators
PEMBE IPEK AL
Pages 2308-2326
Modules in which semisimple fully invariant submodules are essential in summands
RAMAZAN YAŞAR
Pages 2327-2336
An approach to negative hypergeometric distribution by generatingfunction for special numbers and polynomials
İREM KÜÇÜKOĞLU, BURÇİN ŞİMŞEK, and YILMAZ ŞİMŞEK
Pages 2337-2353
A new subclass of starlike functions
HESAM MAHZOON, RAHIM KARGAR, and JANUSZ SOKOL
Pages 2354-2365
On operator systems generated by reducible projective unitary representations of compact groups
GRIGORI AMOSOV
Pages 2366-2370
On the $J$-reflexive sequences
PARVIZ SADAT HOSSEINI and BAHMANN YOUSEFI
Pages 2371-2376
Unpredictable solutions of linear differential and discrete equations
MARAT AKHMET, MEHMET ONUR FEN, MADINA TLEUBERGENOVA, and AKYLBEK ZHAMANSHIN
Pages 2377-2389
Quasi-idempotent ranks of some permutation groups and transformation semigroups
LEYLA BUGAY
Pages 2390-2395
On congruence equations arising from suborbital graphs
BAHADIR ÖZGÜR GÜLER, MURAT BEŞENK, and SERKAN KADER
Pages 2396-2404
On the cover ideals of chordal graphs
NURSEL EREY
Pages 2405-2414
On a class of nonself-adjoint multidimensional periodic Schrödinger operators
OKTAY VELİEV
Pages 2415-2432
Subclasses of uniformly convex and starlike functions associated withBessel functions
MUHAMMAD NAEEM, SAQIB HUSSAIN, FETHİYE MÜGE SAKAR, TAHIR MAHMOOD, and AKHTER RASHEED
Pages 2433-2443
The eternal solution to the cross curvature flow exists in 3-manifolds of negative sectional curvature
WEIHUNG LIAO
Pages 2444-2450
Existence of solutions of BVPs for impulsive fractional Langevin equations involving Caputo fractional derivatives
YUJI LIU and Ravi Agarwal
Pages 2451-2472
Some properties for a class of analytic functions defined by a higher-order differential inequality
OQLAH ALREFAI
Pages 2473-2493
A remark on a paper of P. B. Djakov and M. S. Ramanujan
ELİF UYANIK and MURAT HAYRETTİN YURDAKUL
Pages 2494-2498
Almost symmetric numerical semigroups with high type
PEDRO A. GARCIA-SANCHEZ and IGNACIO OJEDA
Pages 2499-2510
The generalized Picard groups for finite dimensional $C^*$-Hopf algebra coactions on unital $C^*$-algebras
KAZUNORI KODAKA
Pages 2511-2539
A geometric description for simple and damped harmonic oscillators
ZAHİDE OK BAYRAKDAR and TUNA BAYRAKDAR
Pages 2540-2548
Near-vector spaces determined by finite fields and their fibrations
KARIN-THERESE HOWELL
Pages 2549-2560
The exponential Diophantine equation $(3am^2-1)^x+(a(a-3)m^2+1)^y=(am)^z$
NAI-JUAN DENG, DAN-YAO WU, and PING-ZHI YUAN
Pages 2561-2567
Fekete-Szegö problem for a general subclass of analytic functions
NESLİHAN UYANIK
Pages 2568-2577
Po-groups and hypergroups in a topos
ALI MADANSHEKAF and ZEINAB KANJANZADEH
Pages 2578-2591
Lattice ordered semigroups and hypersemigroups
NIOVI KEHAYOPULU
Pages 2592-2601
On factorials in Perrin and Padovan sequences
NURETTİN IRMAK
Pages 2602-2609
Radii of starlikeness and convexity of $q$-Mittag-Leffler functions
EVRİM TOKLU
Pages 2610-2630
Ricci-Yamabe maps for Riemannian flows and their volume variation and volume entropy
SİNEM GÜLER and MIRCEA CRASMAREANU
Pages 2631-2641
On congruences for $q$-analogues of ballot numbers
SİBEL KOPARAL
Pages 2642-2648
Derivations of generalized quaternion algebra
EYÜP KIZIL and YASEMİN ALAGÖZ
Pages 2649-2657
Editors
- Editor-in-Chief
- Prof. Dr. Adnan TERCAN Hacettepe University
- Associate Editor-in-Chief
- Prof. Dr. Aydın GEZER Atatürk University
