Glasnik matematički, Vol. 38 No. 1, 2003.
Original scientific paper
A note on quasi-isometries II
S. M. Patel
Abstract
An operator A on a complex Hilbert space H is called a quasi-isometry if A*2 A2 = A* A. In the present article, some structural properties of quasi-isometries are established with the help of operator matrix representation.
Keywords
Hilbert space; isometry; spectrum; operator matrix
Hrčak ID:
1338
URI
Publication date:
1.6.2003.
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