Université Denis Diderot 2012-2013 Mathématiques M1 Spectral ...
Corrigé de l'examen duu 16 janvier 2013. Durée 3 ... (b) Prove that if P(A)=0, then
SpA is contained in the set of roots of P. Answer ? If ..... The reason for this other
modification of the hypothesis (we set ? = 1 in the original exam) is that, if P.