2021
DOI: 10.1016/j.aim.2020.107524
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Rewriting modulo isotopies in Khovanov-Lauda-Rouquier's categorification of quantum groups

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Cited by 6 publications
(7 citation statements)
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“…For this, we declare that the generators are in degree given by the monomial written below them in Eq. (11), where the monomial h a q b`cβ :" h a q b λ c means the element is in homological degree a, q-degree b and λ-degree c.…”
Section: Dg-enhanced Klrw Algebrasmentioning
confidence: 99%
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“…For this, we declare that the generators are in degree given by the monomial written below them in Eq. (11), where the monomial h a q b`cβ :" h a q b λ c means the element is in homological degree a, q-degree b and λ-degree c.…”
Section: Dg-enhanced Klrw Algebrasmentioning
confidence: 99%
“…One proves following the proof of convergence for the KLR algebras of [11], that all these critical branchings are confluent modulo braid-like isotopies. As a consequence, P is a convergent presentation of NH n and the monomials in normal form with respect to P yield a linear basis of NH n , recovering the usual basis for the nilHecke algebra (see for example given by setting δ " 0.…”
mentioning
confidence: 94%
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“…This was formulated originally as the nondegeneracy condition by Khovanov and Lauda in [27, §3.2.3]. It was proved by them in finite type A, and it was proved in general in [41]; see also [18] for a completely different approach.…”
Section: Kac-moody Gcqsmentioning
confidence: 99%
“…Lemma 5. 18 The module P belongs to mod lfd -H Z (m|n) κ . Moreover, under the categorical action of U(g) just defined, we have isomorphisms…”
Section: Lemma 511mentioning
confidence: 99%