Volume: 49 Issue: 4, 8/6/20

Year: 2020

Mathematics

Research Article

2. P, T, and PT−symmetries of impulsive Dirac systems

Research Article

3. A new double-step method for solving complex Helmholtz equation

Research Article

4. Ulam-Hyers stability for a nonlinear Volterra integro-differential equation

Review

5. Topological structures in rough set theory: A survey

Research Article

6. Eigenvalues and eigenvectors for a $G$-frame operator

Research Article

8. Some results on higher orders quasi-isometries

Research Article

9. Some new oscillation criteria for second-order hybrid differential equations

Research Article

10. A new subclass of analytic functions

Research Article

17. Generalization of $z$-ideals in right duo rings

Research Article

18. On topological homotopy groups and relation to Hawaiian groups

Statistics