Extremal Decomposition Problems in the Space of Riemann Surfaces |
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Authors: | E G Emel'yanov |
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Institution: | (1) St.Petersburg University for Economics and Finances, Russia |
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Abstract: | An extension of a theorem on extremal decomposition of a Riemann surface is obtained. The problem of extremal decomposition is extended from the case of a Riemann surface
with a prescribed set
of distinguished points to the case of the Teichmüller space
corresponding to
under quasiconformal homeomorphisms f. For the functional
of our problem on extremal decomposition of a surface
, we consider a function
expressing the dependence of the extremal value of
on a point
. Differentiation formulas for the function
are derived. These formulas are different and depend on the genus g of the surface
. The case where the function
is pluriharmonic is considered. Bibliography: 8 titles. |
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Keywords: | |
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