Wafaa Hussein Mohammed Ahmed Ali2018-07-032018-07-032018-01http://hdl.handle.net/123456789/12121In this study we handled the qualitative behaviour of solutions of Evolution equa- tions.We have utilized the characteristic theory of second order partial di erential equations and Maximum-Minimum principle.In fact we treated several types of Evo- lution equations such as Di usionlike Evolution equations,Wavelike Evolution equa- tions and Evolution problems associated to Linear growth functional.At the end of this study we considered a numerical analysis that is related to our types of problem.enMolecular differential equationsThesis