The discriminants associated to isotropy representations of symmetric spaces |
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Authors: | Claudio Gorodski |
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Institution: | 1. Instituto de Matem??tica e Estat??stica, Universidade de S?o Paulo, Rua do Mat?o, 1010, S?o Paulo, SP, 05508-090, Brazil
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Abstract: | We consider a generalized discriminant associated to a symmetric space which generalizes the discriminant of real symmetric
matrices, and note that it can be written as a sum of squares of real polynomials. A method to estimate the minimum number
of squares required to represent the discrimininant is developed and applied in examples. |
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Keywords: | |
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