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math.GT2026
The -character variety of an arborescent knot
Haimiao Chen
We describe a procedure for computing the -character variety of an arborescent knot. Along the way, we clarify several facts about representations of arbore…
math.GT2026
On skein algebras of planar surfaces
Haimiao Chen
Let be a commutative ring with identity and a fixed invertible element . Let denote the Kauffman bracket skein algebra of the -holed disk $Î…
math.GT2024
The -character variety of the Borromean link
Haimiao Chen, Tiantian Yu
For the Borromean link, we determine its irreducible -character variety, and find a formula for the twisted Alexander polynomial as a function on the charac…
math.GT2024
Integral structure of the skein algebra of the 5-punctured sphere
Haimiao Chen
We give an explicit presentation for the Kauffman bracket skein algebra of the -punctured sphere over any commutative unitary ring.