- Multiplicative Forms on Algebras and the Group Determinant. - Further GroupMatrices and Group Determinants. - Norm Forms and Group Determinant Factors. - S-Rings, Gelfand Pairs and Association Schemes. - The 2-Characters of a Group and theWeak Cayley Table. - The Extended k-Characters. - Fourier Analysis on Groups, Random Walks and Markov Chains. - K-Characters and n-Homomorphisms. - K-Characters and n-Homomorphisms. - Other Situations Involving Group Matrices. - Spherical Functions on Groups. - The Personal Characteristics of Frobenius.