Mehdi Vatandoost

Counterexamples on some articles on quasi-variational inclusion problems

H. Mohebi, Mehdi Vatandoost, H. Mohebi, 2011, J. Glob. Optim..

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..

The Cosmological Time Functions and Lightlike Rays

Mehdi Vatandoost, Fatemeh Koohestani, Neda Ebrahimi, 2020, Bulletin of the Iranian Mathematical Society.

Causally simple spacetimes and naked singularities

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