the theory of varitional symmetry group and conservation laivs

Abstract

I would like to express my deepest sincere gratitude and honest appreciation to my supervisor professor Mohammed Ali Bashir for helping me with enthusiasm and ideas .Also express my gratefulness to Al Neelain University for providing us with facilities to work together. Also special thanks are due to my friends who push me all the time to finish this work .Finally , I wish to express my heartfelt thanks to my family and special thanks to my mother .