TY - BOOK AU - Hanan Hussein Hassan Farg AU - Atef M. Abdelmoneim , AU - Hegazy Zaher , AU - Tawfik Yonis , TI - A graph theory approach for optimizing the cirulation problem in networks / PY - 2011/// CY - Cairo : PB - Hanan Hussein Hassan Farg , KW - Flow KW - Graph theory KW - Network N1 - Thesis (M.Sc.) - Cairo University - Institute of Statistical Studies and Research - Department of Operation Research; Issued also as CD N2 - In this thesis we used an approach to define and apply graph theory different form of the classical one in the literature , then we use this approach to illustrate and represent different circulation problems in network . We will show that the new definition is more appropriate to put the network circulation problem in more rigors formal expression which will make a computer based technique to solve these problem more adequate ER -