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The Parthasarathy formula and a spectral triple for the quantum Lagrangian Grassmannian of rank two (1810.06456v2)
Published 15 Oct 2018 in math.QA and math.KT
Abstract: We show that the Dolbeault--Dirac operator on the quantum Lagrangian Grassmannian of rank two, an example of a quantum irreducible flag manifold, satisfies an appropriate version of the Parthasarathy formula. We use this result to complete the proof that the candidate spectral triple for this space, as defined by Kr\"ahmer, is a spectral triple.