Asymptotics of singular values for quantum derivatives
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- by Rupert L. Frank, Fedor Sukochev and Dmitriy Zanin HTML | PDF
- Trans. Amer. Math. Soc. 376 (2023), 2047-2088
Abstract:
We obtain Weyl type asymptotics for the quantised derivative $\dj \mkern 1muf$ of a function $f$ from the homgeneous Sobolev space $\dot {W}^1_d(\mathbb {R}^d)$ on $\mathbb {R}^d.$ The asymptotic coefficient $\|\nabla f\|_{L_d(\mathbb R^d)}$ is equivalent to the norm of $\dj \mkern 1muf$ in the principal ideal $\mathcal {L}_{d,\infty },$ thus, providing a non-asymptotic, uniform bound on the spectrum of $\dj \mkern 1muf.$ Our methods are based on the $C^{\ast }$-algebraic notion of the principal symbol mapping on $\mathbb {R}^d$, as developed recently by the last two authors and collaborators.References
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Additional Information
- Rupert L. Frank
- Affiliation: Mathematisches Institut, Ludwig-Maximilans Universität München, Theresienstr. 39, 80333 München, Germany; Munich Center for Quantum Science and Technology, Schellingstr. 4, 80799 München, Germany; and Mathematics 253-37, Caltech, Pasadena, California 91125
- MR Author ID: 728268
- ORCID: 0000-0001-7973-4688
- Email: r.frank@lmu.de
- Fedor Sukochev
- Affiliation: School of Mathematics and Statistics, University of New South Wales, Kensington, 2052 NSW, Australia
- MR Author ID: 229620
- Email: f.sukochev@unsw.edu.au
- Dmitriy Zanin
- Affiliation: School of Mathematics and Statistics, University of New South Wales, Kensington, 2052 NSW, Australia
- MR Author ID: 752894
- Email: d.zanin@unsw.edu.au
- Received by editor(s): March 22, 2022
- Received by editor(s) in revised form: September 12, 2022
- Published electronically: January 4, 2023
- Additional Notes: This work was partially supported through U.S. National Science Foundation grant DMS-1954995 and through the German Research Foundation grant EXC-2111-390814868 (R.L.F.)
- © Copyright 2023 by the authors
- Journal: Trans. Amer. Math. Soc. 376 (2023), 2047-2088
- MSC (2020): Primary 14C05; Secondary 58B34
- DOI: https://doi.org/10.1090/tran/8827
- MathSciNet review: 4549699