The multiplicative anomaly of three or more commuting elliptic operators

Victor Castillo-Garate, Eduardo Friedman, Marius Mantoiu

Zeta-regularized determinants are well-known to fail to be multiplicative. Hence one is lead to study the n-fold multiplicative anomaly M_n(A_1,...,A_n) :=\frac{\det_ζ\Big(\prod_{i…