Abstract
It is possible to consider anaplectic analysis on the real line as a special case of a oneparameter family of analyses. The parameter \(\nu\) is a complex number mod 2, subject to the restriction that it should not be an integer: anaplectic analysis, as considered until now, corresponds to the case when \(\nu = - \frac{1}{2}\). There is a natural \(\nu\)-anaplectic representation of some cover of SL(2,ℝ) in some space \(\mathfrak{A}_\nu\), compatible in the usual way with the Heisenberg representation; the \(\nu\)-anaplectic representation is pseudounitarizable in the case when \(\nu\) is real. Depending on \(\nu\), the even or odd part of the \(\nu\)-anaplectic representation coincides in this case with a representation taken from the unitary dual of the universal cover of SL(2,ℝ), as completely described by Pukanszky [24]. In \(\nu\)-anaplectic analysis, the spectrum of the harmonic oscillator is the arithmetic sequence \(\nu + \frac{1}{2} + \mathbb{Z}\). Much of the theory subsists in the case when \(\nu \equiv 0 \) mod 2, which leads to a nontrivial enlargement of usual analysis. However, as we shall make clear, while the ascending pseudodifferential calculus extends to the case of \(\nu\)-anaplectic analysis when \(\nu \in \mathbb{C}\backslash\mathbb{Z}\), it is impossible to extend it to the usual analysis environment.
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© 2008 Springer-Verlag Berlin Heidelberg
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Unterberger, A. (2008). From Anaplectic Analysis to Usual Analysis. In: Alternative Pseudodifferential Analysis. Lecture Notes in Mathematics, vol 1935. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-77911-7_4
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DOI: https://doi.org/10.1007/978-3-540-77911-7_4
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-77910-0
Online ISBN: 978-3-540-77911-7
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