This paper applies a technique previously described by the author for obtaining perturbation expansions and kth-order perturbation estimations for invariant subspaces of a matrix.
机构:
St Petersburg State Univ, Dept Math, St Petersburg 198504, Petrodvorets, RussiaSt Petersburg State Univ, Dept Math, St Petersburg 198504, Petrodvorets, Russia
机构:
N Carolina State Univ, Dept Math, Ctr Res Sci Computat, Raleigh, NC 27695 USAN Carolina State Univ, Dept Math, Ctr Res Sci Computat, Raleigh, NC 27695 USA