EXTENSION SPACES

Abstract

It is a pleasure to acknowledge my indebtedness to Eiy research supervisor, Professor B. Banaschevrski, for his assistance in the preparation of this thesis. In particular I an indebted to him for the suggestion of the problem (EA) and for his constructive criticisms which led me to formulate the concept of a process. In addition to my supervisor, I am indebted to the Chief Librarian of the University of Toronto ^or permission to use the library facilities. I would like to thank the National Research Council of Canada arid the Ontario Research Foundation for financial assistance during the academic years 1955-59 and 1959-60 respectively. Finally, I am most grateful to Kiss Regina Bears for the care with which she performed the difficult and tedious job of tyring out the manuscript.