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Explicit Pseudo-Kähler Metrics On Flag Manifolds, Thomas A. Mason Iii
Explicit Pseudo-Kähler Metrics On Flag Manifolds, Thomas A. Mason Iii
Electronic Theses and Dissertations
The coadjoint orbits of compact Lie groups each carry a canonical (positive definite) Kähler structure, famously used to realize the group's irreducible representations in holomorphic sections of certain line bundles (Borel-Weil theorem). Less well-known are the (indefinite) invariant pseudo-Kähler structures they also admit, which can be used to realize the same representations in higher cohomology of the sections (Bott), and whose analogues in a non-compact setting lead to new representations (Kostant-Langlands). The purpose of this thesis is to give an explicit description of these metrics in the case of the unitary group G=Un.