Abstract
In this paper we shall obtain the best possible estimates for the remainder term in the asymptotic formula for the spectral function of an arbitrary elliptic (pseudo-)differential operator. This is achieved by means of a complete description of the singularities of the Fourier transform of the spectral function for low frequencies.
This paper was written while the author was a member of the Institute for Advanced Study, Princeton, N. J.
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© 1994 Springer-Verlag Berlin Heidelberg
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Hörmander, L. (1994). The Spectral Function of an Elliptic Operator. In: Brüning, J., Guillemin, V.W. (eds) Mathematics Past and Present Fourier Integral Operators. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-03030-1_4
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DOI: https://doi.org/10.1007/978-3-662-03030-1_4
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