The author was born in Manchester, England. He has an undergraduate degree from Trinity College, Oxford and a doctorate from Queen Mary College, London. He taught at the University of The West Indies in Jamaica from 1971-1984 and has been teaching at Penn State Abington from 1984 until the present, with visiting positions (a) Iowa State University (1988-90) , (b)  Queens College, CUNY, (first   Gorenstein Professor, Spring 1998) and Brigham Young University (Spring 2006).

“The book is clearly written and presents many little known facts about group matrices. No other book deals so thoroughly with this topic.” (John D. Dixon, zbMATH 1458.20001, 2021)

• - 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.

The author was born in Manchester, England. He has an undergraduate degree from Trinity College, Oxford and a doctorate from Queen Mary College, London. He taught at the University of The West Indies in Jamaica from 1971-1984 and has been teaching at Penn State Abington from 1984 until the present, with visiting positions (a) Iowa State University (1988-90) , (b)  Queens College, CUNY, (first   Gorenstein Professor, Spring 1998) and Brigham Young University (Spring 2006).

“The book is clearly written and presents many little known facts about group matrices. No other book deals so thoroughly with this topic.” (John D. Dixon, zbMATH 1458.20001, 2021)

• - 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.