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TURKISH JOURNAL OF MATHEMATICS
Turk J Math
E-ISSN: 1303-6149
ISSN: 1300-0098
Year: 2019 Volume: 43 Number: 5
  • Cover and Contents


    1. Categorified groupoid-sets and their Burnside ring
      LAIACHI EL KAOUTIT, LEONARDO SPINOSA
      Turk J Math, 43, (2019), 2069-2096
      Abstract   Full Text: PDF

    2. Further results on the join graph of a finite group
      ZAHRA BAHRAMI, BIJAN TAERI
      Turk J Math, 43, (2019), 2097-2113
      Abstract   Full Text: PDF

    3. On ps-Drazin inverses in a ring
      HUANYIN CHEN, TUĞÇE ÇALCI
      Turk J Math, 43, (2019), 2114-2124
      Abstract   Full Text: PDF

    4. The boundedness of $h$-admissible Fourier integral operators on Bessel potential spaces
      OMAR FAROUK AID, ABDERRAHMANE SENOUSSAOUI
      Turk J Math, 43, (2019), 2125-2141
      Abstract   Full Text: PDF

    5. Fibonacci and Lucas numbers as products of two repdigits
      FATİH ERDUVAN, REFİK KESKİN
      Turk J Math, 43, (2019), 2142-2153
      Abstract   Full Text: PDF

    6. Some permutations and complete permutation polynomials over finite fields
      PINAR ONGAN, BURCU GÜLMEZ TEMÜR
      Turk J Math, 43, (2019), 2154-2160
      Abstract   Full Text: PDF

    7. Positivity of continuous time irregular linear descriptor systems
      MAHMOUD MANSOURI, KAMELEH NASSIRI
      Turk J Math, 43, (2019), 2161-2169
      Abstract   Full Text: PDF

    8. $(P,Q)$-Lucas polynomial coefficient inequalities of the bi-univalent function class
      ARZU AKGÜL
      Turk J Math, 43, (2019), 2170-2176
      Abstract   Full Text: PDF

    9. Extending self-orthogonal codes
      ALP BASSA, NESRİN TUTAŞ
      Turk J Math, 43, (2019), 2177-2182
      Abstract   Full Text: PDF

    10. Longest increasing subsequences in involutions avoiding patterns of length three
      TOUFİK MANSOUR, GÖKHAN YILDIRIM
      Turk J Math, 43, (2019), 2183-2192
      Abstract   Full Text: PDF

    11. Approximation by generalized complex Szasz--Mirakyan operators in compact disks
      DÖNE KARAHAN, SEVİLAY KIRCI SERENBAY, AYDIN İZGİ
      Turk J Math, 43, (2019), 2193-2202
      Abstract   Full Text: PDF

    12. Asymptotic behavior of solutions of second-order difference equations of Volterra type
      MALGORZATA MIGDA, ALDONA DUTKIEWICZ
      Turk J Math, 43, (2019), 2203-2217
      Abstract   Full Text: PDF

    13. Relative ranks of some partial transformation semigroups
      EBRU YİĞİT, GONCA AYIK, HAYRULLAH AYIK
      Turk J Math, 43, (2019), 2218-2225
      Abstract   Full Text: PDF

    14. A convergent two-level linear scheme for the generalized Rosenau-KdV-RLW equation
      AYHAN AYDIN
      Turk J Math, 43, (2019), 2226-2245
      Abstract   Full Text: PDF

    15. On nonoscillatory solutions of three dimensional time-scale systems
      ELVAN AKIN, TAHER S HASSAN, ÖZKAN ÖZTÜRK, İSMAİL UĞUR TİRYAKİ
      Turk J Math, 43, (2019), 2246-2261
      Abstract   Full Text: PDF

    16. Automorphisms of free metabelian Leibniz algebras of rank three
      TUBA TAŞ ADIYAMAN, ZEYNEP ÖZKURT
      Turk J Math, 43, (2019), 2262-2274
      Abstract   Full Text: PDF

    17. A certain subclass of bi-univalent analytic functions introduced by means of the $q$-analogue of Noor integral operator and Horadam polynomials
      ARZU AKGÜL, FETHİYE MÜGE SAKAR
      Turk J Math, 43, (2019), 2275-2286
      Abstract   Full Text: PDF

    18. Rational maps from Euclidean configuration spaces to spheres
      URTZI BUIJS, ANTONIO GARVIN, ANICETO MURILLO
      Turk J Math, 43, (2019), 2287-2298
      Abstract   Full Text: PDF

    19. On Walker 4-manifolds with pseudo bi-Hermitian structures
      SİBEL TURANLI
      Turk J Math, 43, (2019), 2299-2307
      Abstract   Full Text: PDF

    20. Spectral analysis of some classes first-order normal differential operators
      PEMBE IPEK AL
      Turk J Math, 43, (2019), 2308-2326
      Abstract   Full Text: PDF

    21. Modules in which semisimple fully invariant submodules are essential in summands
      RAMAZAN YAŞAR
      Turk J Math, 43, (2019), 2327-2336
      Abstract   Full Text: PDF

    22. An approach to negative hypergeometric distribution by generating function for special numbers and polynomials
      İREM KÜÇÜKOĞLU, BURÇİN ŞİMŞEK, YILMAZ ŞİMŞEK
      Turk J Math, 43, (2019), 2337-2353
      Abstract   Full Text: PDF

    23. A new subclass of starlike functions
      HESAM MAHZOON, RAHIM KARGAR, JANUSZ SOKOL
      Turk J Math, 43, (2019), 2354-2365
      Abstract   Full Text: PDF

    24. On operator systems generated by reducible projective unitary representations of compact groups
      GRIGORI AMOSOV
      Turk J Math, 43, (2019), 2366-2370
      Abstract   Full Text: PDF

    25. On the $J$-reflexive sequences
      PARVIZ SADAT HOSSEINI, BAHMANN YOUSEFI
      Turk J Math, 43, (2019), 2371-2376
      Abstract   Full Text: PDF

    26. Unpredictable solutions of linear differential and discrete equations
      MARAT AKHMET, MEHMET ONUR FEN, MADINA TLEUBERGENOVA, AKYLBEK ZHAMANSHIN
      Turk J Math, 43, (2019), 2377-2389
      Abstract   Full Text: PDF

    27. Quasi-idempotent ranks of some permutation groups and transformation semigroups
      LEYLA BUGAY
      Turk J Math, 43, (2019), 2390-2395
      Abstract   Full Text: PDF

    28. On congruence equations arising from suborbital graphs
      BAHADIR ÖZGÜR GÜLER, MURAT BEŞENK, SERKAN KADER
      Turk J Math, 43, (2019), 2396-2404
      Abstract   Full Text: PDF

    29. On the cover ideals of chordal graphs
      NURSEL EREY
      Turk J Math, 43, (2019), 2405-2414
      Abstract   Full Text: PDF

    30. On a class of nonself-adjoint multidimensional periodic Schrödinger operators
      OKTAY VELİEV
      Turk J Math, 43, (2019), 2415-2432
      Abstract   Full Text: PDF

    31. Subclasses of uniformly convex and starlike functions associated with Bessel functions
      MUHAMMAD NAEEM, SAQIB HUSSAIN, FETHİYE MÜGE SAKAR, TAHIR MAHMOOD, AKHTER RASHEED
      Turk J Math, 43, (2019), 2433-2443
      Abstract   Full Text: PDF

    32. The eternal solution to the cross curvature flow exists in 3-manifolds of negative sectional curvature
      WEIHUNG LIAO
      Turk J Math, 43, (2019), 2444-2450
      Abstract   Full Text: PDF

    33. Existence of solutions of BVPs for impulsive fractional Langevin equations involving Caputo fractional derivatives
      YUJI LIU, Ravi Agarwal
      Turk J Math, 43, (2019), 2451-2472
      Abstract   Full Text: PDF

    34. Some properties for a class of analytic functions defined by a higher-order differential inequality
      OQLAH ALREFAI
      Turk J Math, 43, (2019), 2473-2493
      Abstract   Full Text: PDF

    35. A remark on a paper of P. B. Djakov and M. S. Ramanujan
      ELİF UYANIK, MURAT HAYRETTİN YURDAKUL
      Turk J Math, 43, (2019), 2494-2498
      Abstract   Full Text: PDF

    36. Almost symmetric numerical semigroups with high type
      PEDRO A. GARCIA-SANCHEZ, IGNACIO OJEDA
      Turk J Math, 43, (2019), 2499-2510
      Abstract   Full Text: PDF

    37. The generalized Picard groups for finite dimensional $C^*$-Hopf algebra coactions on unital $C^*$-algebras
      KAZUNORI KODAKA
      Turk J Math, 43, (2019), 2511-2539
      Abstract   Full Text: PDF

    38. A geometric description for simple and damped harmonic oscillators
      ZAHİDE OK BAYRAKDAR, TUNA BAYRAKDAR
      Turk J Math, 43, (2019), 2540-2548
      Abstract   Full Text: PDF

    39. Near-vector spaces determined by finite fields and their fibrations
      KARIN-THERESE HOWELL
      Turk J Math, 43, (2019), 2549-2560
      Abstract   Full Text: PDF

    40. The exponential Diophantine equation $(3am^2-1)^x+(a(a-3)m^2+1)^y=(am)^z$
      NAI-JUAN DENG, DAN-YAO WU, PING-ZHI YUAN
      Turk J Math, 43, (2019), 2561-2567
      Abstract   Full Text: PDF

    41. Fekete-Szegö problem for a general subclass of analytic functions
      NESLİHAN UYANIK
      Turk J Math, 43, (2019), 2568-2577
      Abstract   Full Text: PDF

    42. Po-groups and hypergroups in a topos
      ALI MADANSHEKAF, ZEINAB KANJANZADEH
      Turk J Math, 43, (2019), 2578-2591
      Abstract   Full Text: PDF

    43. Lattice ordered semigroups and hypersemigroups
      NIOVI KEHAYOPULU
      Turk J Math, 43, (2019), 2592-2601
      Abstract   Full Text: PDF

    44. On factorials in Perrin and Padovan sequences
      NURETTİN IRMAK
      Turk J Math, 43, (2019), 2602-2609
      Abstract   Full Text: PDF

    45. Radii of starlikeness and convexity of $q$-Mittag-Leffler functions
      EVRİM TOKLU
      Turk J Math, 43, (2019), 2610-2630
      Abstract   Full Text: PDF

    46. Ricci-Yamabe maps for Riemannian flows and their volume variation and volume entropy
      SİNEM GÜLER, MIRCEA CRASMAREANU
      Turk J Math, 43, (2019), 2631-2641
      Abstract   Full Text: PDF

    47. On congruences for $q$-analogues of ballot numbers
      SİBEL KOPARAL
      Turk J Math, 43, (2019), 2642-2648
      Abstract   Full Text: PDF

    48. Derivations of generalized quaternion algebra
      EYÜP KIZIL, YASEMİN ALAGÖZ
      Turk J Math, 43, (2019), 2649-2657
      Abstract   Full Text: PDF