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Spectral analysis of linear operators has always been one of the more active and important fields of operator theory, and of extensive interest to many operator theorists. Its devel opments usually are closely related to certain important problems in contemporary mathematics and physics. In the last 20 years, many new theories and interesting results have been discovered. Now, in this direction, the fields are perhaps wider and deeper than ever. This book is devoted to the study of hyponormal and semi-hyponormal operators. The main results we shall present are those of the author and his collaborators and colleagues, as well as some concerning related topics. To some extent, hyponormal and semi-hyponormal opera tors are "close" to normal ones. Although those two classes of operators contain normal operators as a subclass, what we are interested in are, naturally, nonnormal operators in those classes. With the well-studied normal operators in hand, we cer tainly wish to know the properties of hyponormal and semi-hypo normal operators which resemble those of normal operators. But more important than that, the investigations should be concen trated on the phenomena which only occur in the nonnormal cases.
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Book Description Birkh?user, 1983. Condition: Good. 1st Edition. Ships from the UK. Former Library book. Shows some signs of wear, and may have some markings on the inside. Seller Inventory # GRP94573069
Book Description BirkhÃ¤user, 1983. Hardcover. Condition: Good. Ex-library copy with usual markings. Cover shows minor wear. Pages are clean, text and pictures are intact and unmarred. Seller Inventory # mon0001489145
Book Description Birkhauser, Basel/Boston/Stuttgart, 1983. Hardcover. Condition: Good+. general wear, particularly to covers. out of print. Seller Inventory # 026643
Book Description Birkhauser, Secaucus, New Jersey, U.S.A., 1983. Condition: Very Good. Mm 165x285 Operator theory: advances and applications vol. 10. Volume rilegato di pp. XIV-241, in ottimo stato. SPEDIZIONE IN 24 ORE DALLA CONFERMA DELL'ORDINE. Seller Inventory # 047838
Book Description BirkhÃ¤user, 1983. Hardcover. Condition: Good. 1. Ships with Tracking Number! INTERNATIONAL WORLDWIDE Shipping available. May not contain Access Codes or Supplements. May be ex-library. Shipping & Handling by region. Buy with confidence, excellent customer service!. Seller Inventory # 3764315415