Chebyshev constants for the unit circle Academic Article uri icon

abstract

  • It is proven that for any system of n points z1,..., z n on the (complex) unit circle, there exists another point z of norm 1, such that Two proofs are presented: one uses a characterization of equioscillating rational functions, while the other is based on Bernstein's inequality. 2012 London Mathematical Society.

published proceedings

  • BULLETIN OF THE LONDON MATHEMATICAL SOCIETY

altmetric score

  • 3.5

author list (cited authors)

  • Ambrus, G., Ball, K. M., & Erdelyi, T.

citation count

  • 15

complete list of authors

  • Ambrus, Gergely||Ball, Keith M||Erdelyi, Tamas

publication date

  • April 2013

publisher