DAGNAW TESHOME2025-12-082021-08-01wkuhttps://rps.wku.edu.et/handle/123456789/46532This Project will serve as a basic introduction to semigroups of linear operators. It will define a semigroup in the context of a physical problem which will serve to motivate further theoretical development of linear semigroups. Applications and examples will also be discussed.en-USThesis