Abstract
Different authors have tried to used other forms of measuring the smoothness of functions. In the first section of this chapter we present some of the ideas associated to the works of Potapov. In the second section we analyze the circle of ideas developed by Butzer and his collaborators.
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© 2012 Springer Basel AG
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Bustamante, J. (2012). Looking for New Moduli. In: Algebraic Approximation: A Guide to Past and Current Solutions. Frontiers in Mathematics. Springer, Basel. https://doi.org/10.1007/978-3-0348-0194-2_3
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DOI: https://doi.org/10.1007/978-3-0348-0194-2_3
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Publisher Name: Springer, Basel
Print ISBN: 978-3-0348-0193-5
Online ISBN: 978-3-0348-0194-2
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