International Journal of Mathematics and Mathematical Sciences
Volume 28 (2001), Issue 4, Pages 223-230
http://dx.doi.org/10.1155/S0161171201006287
Proper contractions and invariant subspaces
1Catholic University of Rio de Janeiro, Rio de Janeiro, RJ 22453-900, Brazil
2University of California at Los Angeles, Los Angeles, CA 90024-1594, USA
Received 4 December 2000
Copyright © 2001 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Let