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math.FAJul 6, 2007
42
citations (OpenAlex)
authors
  • M. Oberguggenberger
  • H. Vernaeve
institutions
  • Universität Innsbruck
arXiv abstractPDF
paper

Internal sets and internal functions in Colombeau theory

arXiv:0707.0994 · doi:10.1016/j.jmaa.2007.10.030

Abstract

Inspired by nonstandard analysis, we define and study internal subsets and internal functions in algebras of Colombeau generalized functions. We prove a saturation principle for internal sets and provide applications to Colombeau algebras.

References in corpus (2)

  • Isomorphisms of algebras of Colombeau generalized functions
  • Spherical completeness of the non-archimedean ring of Colombeau generalized numbers

Cited by in corpus (12)

  • On the Geroch-Traschen class of metrics
  • Pointwise characterizations in generalized function algebras
  • Generalized analytic functions on generalized domains
  • Characterization of distributions having a value at a point in the sense of Robinson
  • Classes of generalized functions with finite type regularities
  • Microlocal analysis in generalized function algebras based on generalized points and generalized directions
  • Hilbert $\widetilde{\C}$-modules: structural properties and applications to variational problems
  • Dirac delta as a generalized holomorphic function
  • Banach C-algebras
  • Symplectic modules over Colombeau-generalized numbers
  • Regular generalized solutions to semilinear wave equations
  • An axiomatic approach to non-linear theory of generalized functions
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