Kara, Orhun2016-01-082016-01-081998-081998-08http://hdl.handle.net/11693/18012Cataloged from PDF version of article.Thesis (Master's): The Department of Mathematics and the Institute of Engineering and Sciences, Bilkent Univ., 1998.Includes bibliographical references (leaves 63-64).In this work, we have described the singularities of plane model of Z subscript 0 (l) of the modular curve Yo (l) in a field of both characteristic 0 and positive characteristic p>3 for prime l's not equal to p. Also, we have counted the number of those singularities.vii, 64 leaves ; 30 cm.Englishinfo:eu-repo/semantics/openAccessModular curveElliptic curveSogenyEndomorphism ringSingularitySelf intersectionSupersingular elliptic curveReductionLiftingCuspThesis