In addition, let I be the set of positive integers, J the set of non-negative integers, I(n) C I , be such that if k E l(n) then k < n, J(n) C J , be such that if k E J(n) then k < n. W(n) C 0 n is such that if K E W(n), where K = [k l9 k 2
Contains table of contents for Section 2, an introduction, reports on twenty research projects and a list of publications.