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Smoothness conditions for functions of two variables

Smoothness conditions for functions of two variables AbstractIn this paper, necessary, sufficient, and necessary and sufficient conditions are given for the smoothness of functions of two variables. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Georgian Mathematical Journal de Gruyter

Smoothness conditions for functions of two variables

Georgian Mathematical Journal , Volume 28 (6): 7 – Dec 1, 2021

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Publisher
de Gruyter
Copyright
© 2021 Walter de Gruyter GmbH, Berlin/Boston
ISSN
1572-9176
eISSN
1572-9176
DOI
10.1515/gmj-2021-2093
Publisher site
See Article on Publisher Site

Abstract

AbstractIn this paper, necessary, sufficient, and necessary and sufficient conditions are given for the smoothness of functions of two variables.

Journal

Georgian Mathematical Journalde Gruyter

Published: Dec 1, 2021

Keywords: Smooth functions of two variables; 42B05

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