Abstract
The eigenvalues and eigenfunctions of the twisted bi-Laplacian are studied in the context of analytic number theory. The essential self-adjointness and the global hypoellipticity in terms of a new family of Sobolev spaces are also studied.
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The research of M. W. Wong has been supported by the Natural Sciences and Engineering Research Council of Canada.
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Gramchev, T., Pilipović, S., Rodino, L. et al. Spectral properties of the twisted bi-Laplacian. Arch. Math. 93, 565–575 (2009). https://doi.org/10.1007/s00013-009-0073-9
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DOI: https://doi.org/10.1007/s00013-009-0073-9