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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(e) ISSN 0002-9939(p)

     

Correction to ``The ghost of an index theorem''

Author(s): Robin Harte
Journal: Proc. Amer. Math. Soc. 128 (2000), 3145-3148.
MSC (2000): Primary 46B42; Secondary 47A10, 47A53
Posted: June 9, 2000
Original article: Proc. Amer. Math. Soc. 106 (1989), 1031-1033.
MathSciNet review: 1769453
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Abstract | References | Similar articles | Additional information

Abstract:

The ``ghost of an index theorem" is an isomorphism between products of the kernel spaces and the cokernel spaces of a pair of bounded operators and their product, valid when each operator and also the product is assumed to have a generalized inverse. In this note we correct an error in the original proof, and extend the result to operators with closed range.


References:

1.
R. E. Harte, The ghost of an index theorem, Proc. Amer. Math. Soc. 106 (1989) 1031-1033. MR 92j:47029

2.
R. E. Harte and M. Gonzalez, The death of an index theorem, Proc. Amer. Math. Soc. 108 (1990) 151-156. MR 90k:47022

3.
R. E. Harte and W.Y. Lee, An index formula for chains, Studia Math. 116 (1995) 283-294. MR 96i:47021

4.
K.-W. Yang, Index of Fredholm operators, Proc. Amer. Math. Soc. 41 (1973) 329-330. MR 47:7492

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Additional Information:

Robin Harte
Affiliation: School of Mathematics, Trinity College, University of Dublin, Dublin 2, Ireland
Email: rharte@maths.tcd.ie

DOI: 10.1090/S0002-9939-00-05885-8
PII: S 0002-9939(00)05885-8
Received by editor(s): March 10, 1999
Received by editor(s) in revised form: June 3, 1999
Posted: June 9, 2000
Communicated by: David R. Larson
Copyright of article: Copyright 2000, American Mathematical Society




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