The Peripheral Character of Central Elements of a Lattice
Alexander Doniphan Wallace · Proceedings of the American Mathematical Society · 1957
where the L,-are nonsingular square matrices and where L,-is the transpose of Lm-i-Moreover, Lm 0.is the matrix of the symmetric bilinear function over E2k relative to £«,.By Lemma 1 we have t(E) =t^(£«,)• This concludes the proof of our theorem.