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Uniform approximation of sgn x by polynomials and entire functions

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Author notes

  1. Peter Yuditskii

    Present address: Institut für Analysis, Johannes Kepler Universität Linz, 4020, Linz, Austria

Authors and Affiliations

  1. Department of Mathematics, Purdue University, West Lafayette, IN, 47907-2067, USA

    Alexandre Eremenko

  2. Department of Mathematics, Bar Ilan University, 52900, Ramat Gan, Israel

    Peter Yuditskii

Authors
  1. Alexandre Eremenko
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  2. Peter Yuditskii
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Additional information

Dedicated to the memory of Boris Yakovlevich Levin

Supported by NSF grants DMS-0555279, DMS-244547.

Partially supported by Marie Curie Intl. Fellowship within the 6-th EC Framework Progr. Contract MIF1-CT-2005-006966.

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Eremenko, A., Yuditskii, P. Uniform approximation of sgn x by polynomials and entire functions. J Anal Math 101, 313–324 (2007). https://doi.org/10.1007/s11854-007-0011-3

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  • DOI: https://doi.org/10.1007/s11854-007-0011-3

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