MT-1620 al.2002 in general nm -m mn n (m=1, 2, 3) no sum and n46G6 n45G5=n54G G n6565 general nm m (m =4, 5, 6 no sum Paul A Lagace @2001 Unit 5-p. 8MIT - 16.20 Fall, 2002 in general: ηnm Em = ηmn Gn (m = 1, 2, 3) no sum (n = 4, 5, 6) and η46 G6 = η64 G4 η45 G5 = η54 G4 η56 G6 = η65 G5 in general: ηnm Gm = ηmn Gn (m = 4, 5, 6) no sum (m ≠ n) Paul A. Lagace © 2001 Unit 5 - p. 8