Kohn decomposition for forms on coverings of complex manifolds constrained along fibres
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Abstract:
The classical result of J.J. Kohn asserts that over a relatively compact subdomain $D$ with $C^\infty$ boundary of a Hermitian manifold whose Levi form has at least $n-q$ positive eigenvalues or at least $q+1$ negative eigenvalues at each boundary point, there are natural isomorphisms between the $(p,q)$ Dolbeault cohomology groups defined by means of $C^\infty$ up to the boundary differential forms on $D$ and the (finite-dimensional) spaces of harmonic $(p,q)$-forms on $D$ determined by the corresponding complex Laplace operator. In the present paper, using Kohn’s technique, we give a similar description of the $(p,q)$ Dolbeault cohomology groups of spaces of differential forms taking values in certain (possibly infinite-dimensional) holomorphic Banach vector bundles on $D$. We apply this result to compute the $(p,q)$ Dolbeault cohomology groups of some regular coverings of $D$ defined by means of $C^\infty$ forms constrained along fibres of the coverings.References
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Additional Information
- A. Brudnyi
- Affiliation: Department of Mathematics and Statistics, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
- MR Author ID: 292684
- Email: abrudnyi@ucalgary.ca
- D. Kinzebulatov
- Affiliation: The Fields Institute, 222 College Street, Toronto, Ontario M5T 3J1, Canada
- Email: dkinzebu@fields.utoronto.ca
- Received by editor(s): March 5, 2014
- Received by editor(s) in revised form: November 4, 2014, and December 16, 2014
- Published electronically: February 12, 2016
- Additional Notes: The authors’ research was partially supported by NSERC
- © Copyright 2016 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 369 (2017), 167-186
- MSC (2010): Primary 32A38, 32K99
- DOI: https://doi.org/10.1090/tran/6633
- MathSciNet review: 3557771