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TURKISH JOURNAL OF MATHEMATICS
Turk J Math
E-ISSN: 1303-6149
ISSN: 1300-0098
Year: 2021 Volume: 45 Number: 3
  • Cover and Contents


    1. Solving fractional differential equations using collocation method based on hybrid of block-pulse functions and Taylor polynomials
      YAO LU, YINGGAN TANG
      Turk J Math, 45, (2021), 1065-1078
      Abstract   Full Text: PDF

    2. Classification of genus-$1$ holomorphic Lefschetz pencils
      NORIYUKI HAMADA, KENTA HAYANO
      Turk J Math, 45, (2021), 1079-1119
      Abstract   Full Text: PDF

    3. On ordered $\Gamma$-hypersemigroups and their relation to lattice ordered semigroups
      NIOVI KEHAYOPULU
      Turk J Math, 45, (2021), 1120-1132
      Abstract   Full Text: PDF

    4. Soft $\beta$-rough sets and their application to determine COVID-19
      MOSTAFA K. EL BABLY, ABD EL FATTAH A. EL ATIK
      Turk J Math, 45, (2021), 1133-1148
      Abstract   Full Text: PDF

    5. Existence results for a class of boundary value problems for fractional differential equations
      ABDÜLKADİR DOĞAN
      Turk J Math, 45, (2021), 1149-1165
      Abstract   Full Text: PDF

    6. Repdigits as sums of two generalized Lucas numbers
      SAI GOPAL RAYAGURU, JHON JAIRO BRAVO
      Turk J Math, 45, (2021), 1166-1179
      Abstract   Full Text: PDF

    7. On self-orthogonality and self-duality of matrix-product codes over commutative rings
      ABDULAZIZ DEAJIM, MOHAMED BOUYE
      Turk J Math, 45, (2021), 1180-1194
      Abstract   Full Text: PDF

    8. Fekete-Szegö problem for a new subclass of analytic functions satisfying subordinate condition associated with Chebyshev polynomials
      MUHAMMET KAMALİ, MURAT ÇAĞLAR, ERHAN DENİZ, MIRZAOLIM TURABAEV
      Turk J Math, 45, (2021), 1195-1208
      Abstract   Full Text: PDF

    9. Yau-type ternary Hom-Lie bialgebras
      ELKADRI ABDAOUI, SAMI MABROUK, ABDENACER MAKHLOUF, SONIA MASSOUD
      Turk J Math, 45, (2021), 1209-1240
      Abstract   Full Text: PDF

    10. The $2$-rank of the class group of some real cyclic quartic number fields II
      ABDELMALEK AZIZI, MOHAMMED TAMIMI, ABDELKADER ZEKHNINI
      Turk J Math, 45, (2021), 1241-1269
      Abstract   Full Text: PDF

    11. Second Hankel determinant for Mocanu type bi-starlike functions related to shell-shaped region
      NİZAMİ MUSTAFA, GANGADHARAN MURUNGUSUNDARAMOORTHY
      Turk J Math, 45, (2021), 1270-1286
      Abstract   Full Text: PDF

    12. General rotational $\xi -$surfaces in Euclidean spaces
      KADRİ ARSLAN, YILMAZ AYDIN, BETÜL BULCA
      Turk J Math, 45, (2021), 1287-1299
      Abstract   Full Text: PDF

    13. A class of operators related to $m$-symmetric operators
      FEI ZUO, SALAH MECHERI
      Turk J Math, 45, (2021), 1300-1309
      Abstract   Full Text: PDF

    14. Multipliers and $\mathcal{I}$-core for sequences
      MUSTAFA GÜLFIRAT, NİLAY ŞAHİN BAYRAM
      Turk J Math, 45, (2021), 1310-1318
      Abstract   Full Text: PDF

    15. On 2-algebras: crossed R-modules and categorical R-algebras
      ZEKERİYA ARVASİ, ELİF ILGAZ ÇAĞLAYAN
      Turk J Math, 45, (2021), 1319-1336
      Abstract   Full Text: PDF

    16. Banach algebra structure on strongly simple extensions
      SARA EL KINANI
      Turk J Math, 45, (2021), 1337-1344
      Abstract   Full Text: PDF

    17. The extension of step-$N$ signatures
      KISTOSIL FAHIM
      Turk J Math, 45, (2021), 1345-1367
      Abstract   Full Text: PDF

    18. Existence results and Ulam-Hyers stability to impulsive coupled system fractional differential equations
      HADJER BELBALI, MAAMAR BENBACHIR
      Turk J Math, 45, (2021), 1368-1385
      Abstract   Full Text: PDF

    19. Solvability, stability, smoothness and compactness of the set of solutions for a nonlinear functional integral equation
      NGUYEN DAT THUC, LE THI PHUONG NGOC, NGUYEN THANH LONG
      Turk J Math, 45, (2021), 1386-1406
      Abstract   Full Text: PDF

    20. Liftings and covering morphisms of crossed modules in group-groupoids
      SERAP DEMİR KARAKAŞ, OSMAN MUCUK
      Turk J Math, 45, (2021), 1407-1417
      Abstract   Full Text: PDF

    21. On the analytical development of incomplete Riemann-Liouville fractional calculus
      ARRAN FERNANDEZ, CEREN USTAOĞLU, MEHMET ALİ ÖZARSLAN
      Turk J Math, 45, (2021), 1418-1443
      Abstract   Full Text: PDF

    22. A short note on generic initial ideals
      BEKİR DANIŞ
      Turk J Math, 45, (2021), 1444-1448
      Abstract   Full Text: PDF

    23. Certain subclasses of spirallike univalent functions related to Poisson distribution series
      LAKSHMINARAYANAN VANITHA, CHELLAKUTTI RAMACHANDRAN, TEODOR BULBOACA
      Turk J Math, 45, (2021), 1449-1458
      Abstract   Full Text: PDF

    24. Integer-valued polynomials satisfying the Lucas property
      RATTIYA MEESA, VICHIAN LAOHAKOSOL, TUANGRAT CHAICHANA
      Turk J Math, 45, (2021), 1459-1478
      Abstract   Full Text: PDF

    25. Extensions of the matrix-valued$\ q-$Sturm-Liouville operators
      BİLENDER PAŞAOĞLU, HÜSEYİN TUNA
      Turk J Math, 45, (2021), 1479-1494
      Abstract   Full Text: PDF