1 Table of Contents: “... curvature for gravitational and Yang-Mills fields -- Harmonic maps from ?P1 to ?Pn -- Vector cross products...”

2 Table of Contents: “... of rings and groups -- On representations of infinite groups -- Integral manifolds, harmonic mappings...”

3 Table of Contents: “... -- Instantons and Harmonic Maps -- A Coxeter Group Approach to Schubert Varieties -- Constructing Groups...”

4 Table of Contents: “... on convolution algebras -- Distance and volume decreasing theorems for a family of harmonic mappings...”

5 “... geometry, including 4-manifolds, quaternionic and octonionic geometry, twistor spaces, harmonic maps...”