Ünal, Deniz2016-07-012016-07-012002http://hdl.handle.net/11693/29239Cataloged from PDF version of article.We consider some models of classical statistical mechanics with their random perturbations and investigate the phase diagrams of this models. By using uniqueness theorem we prove the absence of phase transitions in this models.vii, 60 leavesEnglishinfo:eu-repo/semantics/openAccessGround StateGibbs StateLimiting Gibbs StatePhase TransitionsHamiltonianQC20.7 .U53 2002Probabilities.ThesisBILKUTUPB069031