A note on the Davis-Kahan sin Ξβ theorem
β
Jianjun Xie
π
Article
π
1997
π
Elsevier Science
π
English
β 181 KB
By using a series of inequalities for singular values of matrix products, we obtain perturbation theorems for invariant subspaces of Hermitian matrices, which are sharper than the second Davis-Kahan sin O theorem.