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Mathematics > Representation Theory

Title: Unbounded $\mathfrak{sl}_3$-laminations around punctures

Abstract: We continue to study the unbounded $\mathfrak{sl}_3$-laminations [IK22], with a focus on their structures at punctures. A key ingredient is their relation to the root data of $\mathfrak{sl}_3$. After giving a classification of signed $\mathfrak{sl}_3$-webs around a puncture, we describe the tropicalization of the Goncharov--Shen's Weyl group action in detail. We also clarify the relationship with several other approaches by Shen--Sun--Weng [SSW23] and Fraser--Pylyavskyy [FP21]. Finally, we discuss a formulation of unbounded $\mathfrak{g}$-laminations for a general semisimple Lie algebra $\mathfrak{g}$ in brief.
Comments: 57 pages, 26 figures. v2: added a comment on the Roger--Yang relations in p.42. arXiv admin note: text overlap with arXiv:2204.08947
Subjects: Representation Theory (math.RT); Geometric Topology (math.GT); Quantum Algebra (math.QA)
Cite as: arXiv:2404.18236 [math.RT]
  (or arXiv:2404.18236v2 [math.RT] for this version)

Submission history

From: Tsukasa Ishibashi [view email]
[v1] Sun, 28 Apr 2024 16:29:31 GMT (79kb)
[v2] Tue, 7 May 2024 05:17:22 GMT (79kb)

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