Reducedness conjecture for Kazhdan–Lusztig ideal initial schemes

Let v,wSnv,w\in S_n, let Iv,wI_{v,w} be the associated Kazhdan–Lusztig ideal, and let v,w,π\prec_{v,w,\pi} be one of the term orders determined by a generalized antidiagonal permutation π\pi. The initial ideal initv,w,πIv,w{\rm init}_{\prec_{v,w,\pi}}I_{v,w} defines a scheme. Reducedness conjecture for Kazhdan–Lusztig ideals. For some π\pi, initv,w,πIv,w{\rm init}_{\prec_{v,w,\pi}}I_{v,w} defines a reduced and equidimensional scheme, so the hypothesis and consequently the conclusion of Theorem~ (V) hold. This conjecture is presented as a complement to the paper's main theorem and is part of the proposed degenerations of Kazhdan–Lusztig ideals; the supplied text gives no resolution.

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Primary source

Li Li and Alexander Yong, “Some degenerations of Kazhdan-Lusztig ideals and multiplicities of Schubert varieties”, arXiv:1001.3437 (2010).

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