Abstract
This paper presents three computer-assisted procedures for verifying the invertibility of second-order linear elliptic operators and for computing a bound on the norm of its inverse. One of these procedures is an improvement of a theorem by Nakao et al. (Computing 75:1–14, 2005) that uses projection and constructive a priori error estimates and was proposed by two of the authors of this paper. Results verifying these procedures are presented for several numerical examples.
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Acknowledgments
The authors heartily thank the two anonymous referees for their thorough reading and valuable comments. This work was supported by Grants-in-Aid from the Ministry of Education, Culture, Sports, Science and Technology of Japan (Nos. 24340018, 23740074, and 24540151).
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Nakao, M.T., Watanabe, Y., Kinoshita, T. et al. Some considerations of the invertibility verifications for linear elliptic operators. Japan J. Indust. Appl. Math. 32, 19–31 (2015). https://doi.org/10.1007/s13160-014-0160-6
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DOI: https://doi.org/10.1007/s13160-014-0160-6