Wu, Yel-Chiang.2009-04-172009-04-1719641964Source: Masters Abstracts International, Volume: 45-06, page: 3175.http://hdl.handle.net/10393/10902http://dx.doi.org/10.20381/ruor-17062In this thesis, we prove the following result: the category of sheaves with values in a Grothendieck category with a small generator and arbitrary products has enough injectives. The result remains valid if we replace the value-category by a Grothendieck category with a noetherian projective generator. The proofs are based on a theorem on transported structures which is due to J.M. Maranda.44 p.Mathematics.Thesis