Rahimeh Pourkhandani

Fixed points of covering upper and lower approximation operators

Mehdi Vatandoost, Ali Akbar Estaji, Rahimeh Pourkhandani, 2019, Soft Comput..

A generalized modal logic in causal structures

Mehdi Vatandoost, Ali Akbar Estaji, Rahimeh Pourkhandani, 2019, Theor. Comput. Sci..

Causally simple spacetimes and naked singularities

Mehdi Vatandoost, Rahimeh Pourkhandani, Neda Ebrahimi, 2021, 2105.03730.