Sonel, Serkan2018-09-272018-09-272018-092018-092018-09-26http://hdl.handle.net/11693/48026Cataloged from PDF version of article.Thesis (M.S.): Bilkent University, Department of Mathematics, İhsan Doğramacı Bilkent University, 2018.Includes bibliographical references (leaves 68-69).We partially determine the necessary and su cient conditions on the entries of the intersection matrix of the transcendental lattice of algebraic K3 surface with Picard number 18 (X) 19 for the surface to doubly cover an Enriques surface.vii, 69 leaves ; 30 cm.Englishinfo:eu-repo/semantics/openAccessK3 SurfaceEnriques SurfaceLatticeThesisB159030