aside from internal historical and intellectual factors contributing to the stagnation of the islamic civilization in the last two decades, this civilization has faced a challenge in the fast growing and spreading civilization of the west. islamic thinkers, in tandem with reconstructing religious thought, have made strenuous efforts to find an internal religious answer for the emancipation of i...

discussion about islamic culture and civilization and elements of its evolution and development is complex and needs comprehensive review. why and how islam emerged among arabs who in comparison with other nations had not enjoyed considerable background and civilization and could develop and unite them, is a basic issue and deserves a separate review. but the issue that development and evolutio...

Contrary with the opinion and idea that the civilization difference induces the civilization conflicts, the commonness of civilization is more important in fact. In the various past researches about the civilization comparison, most scholars emphasized to review and look the differences among different civilizations, and deduced that the differences induced the conflicts. However, the differenc...

We investigate the connectedness of clash-free timetables with respect to the Kempe-exchange operation. This investigation is related to the connectedness of the search space of timetabling problem instances, which is a desirable property, for example for two-step algorithms using the Kempe-exchange during the optimization step. The theoretical framework for our investigations is based on the s...