Embeddings of Spherical Homogeneous Spaces |
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Authors: | Gandini Jacopo |
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Institution: | Scuola Normale Superiore, Piazza dei Cavalieri 7, 56126 Pisa, Italy |
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Abstract: | We review in these notes the theory of equivariant embeddings of spherical homogeneous spaces. Given a spherical homogeneous space G/H, the normal equivariant embeddings of G/H are classified by combinatorial objects called colored fans, which generalize the fans appearing in the classification of toric varieties and which encode several geometric properties of the corresponding variety. |
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Keywords: | Spherical varieties homogeneous spaces |
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