Degenerate Flag Varieties of Type A and C are Schubert Varieties
Giovanni Cerulli Irelli, Martina Lanini
Abstract
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Giovanni Cerulli Irelli, Martina Lanini
Abstract
Open-access reader
We show that any type A or C degenerate flag variety is, in fact, isomorphic to a Schubert variety in an appropriate partial flag manifold.
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We show that any type A or C degenerate flag variety is, in fact, isomorphic to a Schubert variety in an appropriate partial flag manifold.
Key concepts: Flag (linear algebra), Generalized flag variety, Schubert variety, Mathematics, Degenerate energy levels, Variety (cybernetics), Schubert polynomial, Schubert calculus