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20232026
most citedPólya's conjecture for Dirichlet eigenvalues of annuli

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math.CA2024

Uniform enclosures for the phase and zeros of Bessel functions and their derivatives

Nikolay Filonov, Michael Levitin, Iosif Polterovich +1

We prove explicit uniform two-sided bounds for the phase functions of Bessel functions and of their derivatives. As a consequence, we obtain new enclosures for the zeros of Bessel…