Distributions and regular holonomic systems

  • Jan-Erik Björk
Part of the Mathematics and Its Applications book series (MAIA, volume 247)


The first section treats analytic D-module theory on real analytic manifolds and some basic results concerned with extendible distributions is presented in section 2 as a preparation to section 3. There we prove that every regular holonomic D X -module on a complex manifold is locally a cyclic module generated by a distribution on the underlying real manifold. The main result is Theorem 7.3.5 which gives an exact functor from RH(D X ) into the category of regular holonomic modules on the conjugate complex manifold defined by

We refer to К X as Kashiwara’s conjugation functor. Reversing the roles between X and there exists the conjugation functor from . We prove that the compsed functor is the identity on RH(D X ).

Distributions whose cyclic D X -modules are regular holonomic will be called regular holonomic distributions. Various examples of regular holonomic distributions are given in subsequent sections. In particular we mention the principal value distribu?tions defined by
where Ψ is any test-form on X R and fO(X). Meromorphic continuations of distributions are also discussed.

In the final sections we use the conjugation functor to exhibit an inverse functor to the de Rham functor in the Riemann-Hilbert correspondence. The inverse functor is obtained from a temperate Hom-functor composed with the 6-complex. This leads to properties of regular holonomic modules which go beyond those in Chapter V. The main results occur at the end of section 9. The last section contains a discussion about D-module theory related to Hodge theory.


Complex Manifold Left Ideal Direct Image Natural Morphism Real Manifold 
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Copyright information

© Springer Science+Business Media Dordrecht 1993

Authors and Affiliations

  • Jan-Erik Björk
    • 1
  1. 1.Department of MathematicsStockholm UniversityStockholmSweden

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