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Stability in the Gromov-Shubin index theorem


Author: Lih-chung Wang
Journal: Proc. Amer. Math. Soc. 125 (1997), 1399-1405
MSC (1991): Primary 46E99, 58G10
DOI: https://doi.org/10.1090/S0002-9939-97-03719-2
MathSciNet review: 1363439
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Abstract: We investigate the upper semicontinuity of the dimension of the solution space for an elliptic equation with conditions on a compact nowhere dense set.


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Additional Information

Lih-chung Wang
Affiliation: Department of Mathematical Sciences, University of Durham, Science Laboratories, South Road, Durham, DH1 3LE, England
Address at time of publication: Department of Mathematics, University of California, Riverside, California 92521
Email: Lih-Chung.Wang@durham.ac.uk, lwang@math.ucr.edu

DOI: https://doi.org/10.1090/S0002-9939-97-03719-2
Keywords: Distribution, elliptic operator, Fredholm operator, rigged divisor, Sobolev space, index, Riemann-Roch theorem, semicontinuity
Received by editor(s): September 19, 1995
Received by editor(s) in revised form: November 14, 1995
Communicated by: Palle E. T. Jorgensen
Article copyright: © Copyright 1997 American Mathematical Society