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 Sibirsk. Mat. Zh., 2017, Volume 58, Number 2, Pages 406–416 (Mi smj2869)

Connection between holomorphic vector bundles and cohomology on a Riemann surface and conjugation boundary value problems

E. V. Semenko

Novosibirsk State Pedagogical University, Novosibirsk, Russia

Abstract: This paper studies interconnections between holomorphic vector bundles on compact Riemann surfaces and the solution of the homogeneous conjugation boundary value problem for analytic functions on the one hand, and cohomology and the solution of the inhomogeneous problem on the other. We establish that constructing the general solution to the homogeneous problem with arbitrary coefficients in the boundary conditions is equivalent to classifying holomorphic vector bundles. Solving the inhomogeneous problem is equivalent to checking the solvability of $1$-cocycles with coefficients in the sheaf of sections of a bundle; in particular, the solvability conditions in the inhomogeneous problem determine obstructions to the solvability of $1$-cocycles, i.e. the first cohomology group. Using this connection, we can apply the methods of boundary value problems to vector bundles. The results enable us to elucidate the role of boundary value problems in the general theory of Riemann surfaces.

Keywords: Riemann surface, holomorphic vector bundle, first cohomology group, boundary value problem on a Riemann surface.

DOI: https://doi.org/10.17377/smzh.2017.58.214

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English version:
Siberian Mathematical Journal, 2017, 58:2, 310–318

Bibliographic databases:

UDC: 517.53/55
MSC: 35R30

Citation: E. V. Semenko, “Connection between holomorphic vector bundles and cohomology on a Riemann surface and conjugation boundary value problems”, Sibirsk. Mat. Zh., 58:2 (2017), 406–416; Siberian Math. J., 58:2 (2017), 310–318

Citation in format AMSBIB
\Bibitem{Sem17} \by E.~V.~Semenko \paper Connection between holomorphic vector bundles and cohomology on a~Riemann surface and conjugation boundary value problems \jour Sibirsk. Mat. Zh. \yr 2017 \vol 58 \issue 2 \pages 406--416 \mathnet{http://mi.mathnet.ru/smj2869} \crossref{https://doi.org/10.17377/smzh.2017.58.214} \elib{http://elibrary.ru/item.asp?id=29160437} \transl \jour Siberian Math. J. \yr 2017 \vol 58 \issue 2 \pages 310--318 \crossref{https://doi.org/10.1134/S0037446617020148} \isi{http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&DestLinkType=FullRecord&DestApp=ALL_WOS&KeyUT=000400087100014} \elib{http://elibrary.ru/item.asp?id=29502482} \scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85018803273} 

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Citing articles on Google Scholar: Russian citations, English citations
Related articles on Google Scholar: Russian articles, English articles

This publication is cited in the following articles:
1. E. V. Semenko, “Reduction of vector boundary value problems on Riemann surfaces to one-dimensional problems”, Siberian Math. J., 60:1 (2019), 153–163
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