Kırdar, Mehmet2016-01-082016-01-081994http://hdl.handle.net/11693/17550Cataloged from PDF version of article.Includes bibliographical refences.In this work, we summarized an approach to obstruction tlieory developed by E. Thomas. We gave some illustrative examples to demonstrate the method. These are : 2-plane fields on manifolds revi(iwing works of Thotnas, 3 and 4 fields on (4k-f3)-dimensional manifolds.vii, 43leavesEnglishinfo:eu-repo/semantics/openAccessPostnikov resolutioncohomology operationdistributionspanQA612.79 .K57 1994Icncludes bibliographical references (leaves 42-43).Obstruction theory.Thesis