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St. Petersburg Mathematical Journal

This journal is a cover-to-cover translation into English of Algebra i Analiz, published six times a year by the mathematics section of the Russian Academy of Sciences.

ISSN 1547-7371 (online) ISSN 1061-0022 (print)

The 2020 MCQ for St. Petersburg Mathematical Journal is 0.68.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.

 

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

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.

  • Dedicated: Dedicated to Nina Nikolaevna Ural’tseva on the occasion of her $85$th birthday.
  • © 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