Browsing Department of Pure Mathematics and Mathematical Statistics (DPMMS) by Subject "reductive groups"

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  • Non-reductive automorphism groups, the Loewy filtration and K-stability 

    Codogni, Giulio; Dervan, Ruadhai (l'Institut FourierAnnales de l'Institut Fourier, 2016-03-18)
    We study the K-stability of a polarised variety with non-reductive automorphism group. We associate a canonical filtration of the co-ordinate ring to each variety of this kind, which destabilises the variety in several ...