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Partielle Differentialgleichungen und reelle Funktionen. (Portuguese) Zbl 0044.09401

In this short expository paper the author stresses the relationship between real variable theory and partial differential equations with non-analytic Cauchy data. For instance, it is shown how the heat equation leads to the consideration of a certain class of functions which have derivatives of all orders but are not analytic.

MSC:

35A99 General topics in partial differential equations
26A99 Functions of one variable
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