1. Geometrical Conditions for the Existence of a Milnor Vector Field

   • Maico F. Ribeiro
   • Raimundo Nonato Araújo dos Santos

   OriginalPaper 17 September 2020 Pages: 771 - 789

2. Blow Up of Solutions of a Nonlinear Anomalous Reaction-Diffusion System

   • Aroldo Pérez
   • José Villa-Morales

   OriginalPaper 30 October 2020 Pages: 791 - 802

3. On the Arithmetic Behavior of Liouville Numbers Under Rational Maps

   • Ana Paula Chaves
   • Diego Marques
   • Pavel Trojovský

   OriginalPaper 05 November 2020 Pages: 803 - 813

4. Adapted Metrics for Singular Hyperbolic Flows

   • Vitor Araujo
   • Vinicius Coelho
   • Luciana Salgado

   OriginalPaper 01 November 2020 Pages: 815 - 840

   

5. Symmetric Properties for Choquard Equations Involving Fully Nonlinear Nonlocal Operators

   • Pengyan Wang
   • Li Chen
   • Pengcheng Niu

   OriginalPaper 01 January 2021 Pages: 841 - 862

6. Classification Theorems of Complete Space-Like Lagrangian \(\xi \)-Surfaces in the Pseudo-Euclidean Space \({\mathbb R}^4_2\)

   • Xingxiao Li
   • Ruina Qiao
   • Yangyang Liu

   OriginalPaper 02 January 2021 Pages: 863 - 878

7. Product Property of Equivariant Degree Under the Action of a Compact Abelian Lie Group

   • Bartosz Kamedulski

   OriginalPaper 23 November 2020 Pages: 879 - 891

8. The \({\theta }\)-Congruent Number Elliptic Curves via Fermat-type Algorithms

   • Sajad Salami
   • Arman Shamsi Zargar

   OriginalPaper 25 November 2020 Pages: 893 - 908

9. On Explicit Expressions for Moments of Gamma Order Statistics

   • Fredy Castellares
   • Artur J. Lemonte

   OriginalPaper 09 January 2021 Pages: 909 - 913

10. Odd Pfaffian Forms

    • Daniel Cibotaru
    • Sergiu Moroianu

    OriginalPaper 20 February 2021 Pages: 915 - 976

11. Boundedness and Compactness of the Spherical Mean Two-Wavelet Localization Operators

    • Hatem Mejjaoli
    • Slim Omri

    OriginalPaper 19 January 2021 Pages: 977 - 1004

12. Algebraic Properties of Edge Ideals of Some Vertex-Weighted Oriented m-Partite Graphs

    • Guangjun Zhu
    • Hong Wang
    • Jiaqi Zhang

    OriginalPaper 17 February 2021 Pages: 1005 - 1023

    

13. Fibonacci or Lucas Numbers Which are Products of Two Repdigits in Base b

    • Zafer Şiar
    • Refik Keskin
    • Fatih Erduvan

    OriginalPaper 11 February 2021 Pages: 1025 - 1040

14. On the Coefficients of Certain Subclasses of Harmonic Univalent Mappings with Nonzero Pole

    • Bappaditya Bhowmik
    • Santana Majee

    OriginalPaper 09 February 2021 Pages: 1041 - 1053

15. On Free-Boundary Minimal Surfaces in the Riemannian Schwarzschild Manifold

    • Rafael Montezuma

    OriginalPaper 19 February 2021 Pages: 1055 - 1071

16. A Note on the Geometry of Certain Classes of Linear Operators

    • Diogo Diniz
    • Anselmo Raposo Jr

    OriginalPaper 27 February 2021 Pages: 1073 - 1080