Other Theories
These include: the convolution quotient theory of Jan Mikusinski, based on the field of fractions of convolution algebras that are integral domains; and the theories of hyperfunctions, based (in their initial conception) on boundary values of analytic functions, and now making use of sheaf theory.
Read more about this topic: Generalized Function
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—Erich Fromm (1900–1980)
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—Ian Hacking (b. 1936)