About The Author

Dr. Abdul Rehman Kashif has completed his PhD degree in the symmetries of spacetimes in General Relativity from the Quad-i-Azam University, Islamabad, in 2004 and joined as an Assistant Professor in the College of Electrical and Mechanical Engineering (NUST) Islamabad in the same year. He has worked as a Postdoctoral fellow in the University of Aberdeen, Scotland, UK. He has vast teaching experience in undergraduate and graduate teaching in Mathematics. Currently, he is working in N-Body Problem and restricted 5 or 6 body problems in Celestial Mechanics.

Rhomboidal And Triangular Four- And Five-body Problems: Planar Central Configurations

Researchers established that many stars are part of multiple–star systems. Moreover, the ratio of multiple-star systems in our galaxy is assumed to be about two-thirds. Looking at stars can lead us into believing that stars are solitary, isolated objects, but in fact, no star is born in isolation. The stellar systems can be modeled applying