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Convergence of Kähler to real polarizations on flag manifolds via toric degenerations
In this paper, we construct a family of complex structures on a complex flag manifold that converge to the real polarization coming from the Gelfand–Cetlin integrable system, in the sense that holomorphic sections of a prequantum line bundle converge to delta-function sections supported on the Bohr–...
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Published in: | Journal of symplectic geometry 2014, Vol.12 (3), p.473-509 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Citations: | Items that cite this one |
Online Access: | Get full text |
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Summary: | In this paper, we construct a family of complex structures on a
complex flag manifold that converge to the real polarization coming
from the Gelfand–Cetlin integrable system, in the sense that holomorphic
sections of a prequantum line bundle converge to delta-function
sections supported on the Bohr–Sommerfeld fibers. Our construction
is based on a toric degeneration of flag varieties and a deformation of
Kähler structure on toric varieties by symplectic potentials. |
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ISSN: | 1527-5256 1540-2347 |
DOI: | 10.4310/JSG.2014.v12.n3.a3 |