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On representations of special orthogonal groups over fields of positive characteristics

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Abstract

Let G be the special orthogonal group. Let T be a maximal torus in G and B be a Borel subgroup of G containing T. Let λ be a dominant weight with respect to T. Let LΛ denote the line bundle on G/B corresponding to the dominant weight weight λ. We determine bounds and constraints on p for which H0(G/B, Lλ) is irreducible as a G module. We solve the problem in the case when λ = 1,m > 0, and the cases when λ = 2ω2, 3ω2. For our proof we make use of ideas from standard monomial theory developed by Seshadri and his school.

Dedicated to Prof. C. S. Seshadri on his 70th birthday

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V. Lakshmibai V. Balaji V. B. Mehta K. R. Nagarajan K. Pranjape P. Sankaran R. Sridharan

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© 2003 Hindustan Book Agency

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Kannan, S.S., Subrahmanyam, K.V. (2003). On representations of special orthogonal groups over fields of positive characteristics. In: Lakshmibai, V., et al. A Tribute to C. S. Seshadri. Hindustan Book Agency, Gurgaon. https://doi.org/10.1007/978-93-86279-11-8_28

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