Browsing by Author "1bab07cf-788e-4245-b247-99fb9a651135"

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    • A non perverse Soergel bimodule in type A 
      Libedinsky Silva, Nicolás; Williamson, Geordie (Elsevier, 2017)
      A basic question concerning indecomposable Soergel bimodules is to understand their en-domorphism rings. In characteristic zero all degree-zero endomorphisms are isomorphisms (afact proved by Elias and the second author) ...
    • Standard objects in 2-braid groups 
      Libedinsky, Nicolas; Williamson, Geordie (Oxford University Press, 2013)
      © 2014 London Mathematical Society. For any Coxeter system, we establish the existence (conjectured by Rouquier) of analogues of standard and costandard objects in 2-braid groups. This generalizes a known extension vanishing ...