On a class of sharp multiplicative Hardy inequalities
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- by D. Guzu, T. Hoffmann-Ostenhof and A. Laptev
- St. Petersburg Math. J. 32, 523-530
- DOI: https://doi.org/10.1090/spmj/1659
- Published electronically: May 11, 2021
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Abstract:
A class of weighted Hardy inequalities is treated. The sharp constants depend on the lowest eigenvalues of auxiliary Schrödinger operators on a sphere. In particular, for some block radial weights these sharp constants are given in terms of the lowest eigenvalue of a Legendre type equation.References
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Bibliographic Information
- D. Guzu
- Affiliation: Imperial College London, 180 Queen’s Gate, London SW7 2AZ, United Kingdom
- Email: dorian.guzu12@imperial.ac.uk
- T. Hoffmann-Ostenhof
- Affiliation: University of Vienna
- Email: thoffmann@tbi.univie.ac.at
- A. Laptev
- Affiliation: Imperial College London, 180 Queen’s Gate, London SW7 2AZ, United Kingdom; and St. Petersburg University, 14-ya Liniya V.O., 29B, 199178 St. Petersburg, Russia
- Email: a.laptev@imperial.ac.uk
- Received by editor(s): August 7, 2019
- Published electronically: May 11, 2021
- Additional Notes: The third author was partially supported by the RSF grant 19-71-30002.
- © Copyright 2021 American Mathematical Society
- Journal: St. Petersburg Math. J. 32, 523-530
- MSC (2020): Primary 35P15; Secondary 81Q10
- DOI: https://doi.org/10.1090/spmj/1659
- MathSciNet review: 4099098
Dedicated: Dedicated to Nina Nikolaevna Ural’tseva on the occasion of her $85$th birthday.