We consider higher-order derivative gauge field corrections that arise in the fundamental
context of dimensional reduction of string theory and Lovelock-inspired gravities and obtain …

This manuscript investigates a Schwarzschild black hole surrounded by perfect fluid dark
matter embedded in a cloud of strings. The effects of its surroundings on thermodynamics …

In this work, we study the gravitating lensing Euler-Heisenberg black hole surrounded by
perfect fluid dark matter. This kind of black hole solution enables us to investigate the …

In the present thesis, we examine black hole solutions in non-linear theories of gravity and
electromagnetism and we analyze their properties. At first, we examine f (R) modified gravity …