Differential equations and matrix inequalities on isospectral families
The author develops a set of inequalities that bounds the size of \(\langle[X, N],[X,M]\rangle\) in terms of eigenvalues of skew-Hermitian matrices \(X\), \(M\) and \(N\). These results apply to elements of matrix Lie algebras.
scientific article; zbMATH DE number 614151