Re: Decompsition of a linear operator.


Robert Israel написав:
..
Yes, with H positive semidefinite and U unitary. However, U is no
longer unique: its restriction to ker(A) can be any unitary operator
from ker(A) to ker(A*).

Robert Israel israel@xxxxxxxxxxx
Department of Mathematics http://www.math.ubc.ca/~israel
University of British Columbia Vancouver, BC, Canada


Thanks. Where I can read about a proof of this decomposition?

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