Doubly-graded exponential growth of colored torus knot homology
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866915692776783872 |
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| author | Conners, Luke |
| author_facet | Conners, Luke |
| contents | We give an invariant construction of reduced HOMFLY homology for arbitrary links reduced at components of arbitrary color and prove some structural properties relating this invariant to unreduced HOMFLY homology. Combined with previous results, this gives a recursive formula for the reduced HOMFLY homology of colored positive torus knots and some colored positive torus links. We prove that after forgetting the quantum grading, the resulting doubly-graded invariant of positive torus knots grows exactly exponentially in the color, resolving a 2013 conjecture of Gorsky--Gukov--Stošić. Finally, we verify the ``color-shifting" conjecture of Gukov--Nawata--Saberi--Stošić--Sułkowski in many examples. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_20597 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Doubly-graded exponential growth of colored torus knot homology Conners, Luke Geometric Topology Quantum Algebra We give an invariant construction of reduced HOMFLY homology for arbitrary links reduced at components of arbitrary color and prove some structural properties relating this invariant to unreduced HOMFLY homology. Combined with previous results, this gives a recursive formula for the reduced HOMFLY homology of colored positive torus knots and some colored positive torus links. We prove that after forgetting the quantum grading, the resulting doubly-graded invariant of positive torus knots grows exactly exponentially in the color, resolving a 2013 conjecture of Gorsky--Gukov--Stošić. Finally, we verify the ``color-shifting" conjecture of Gukov--Nawata--Saberi--Stošić--Sułkowski in many examples. |
| title | Doubly-graded exponential growth of colored torus knot homology |
| topic | Geometric Topology Quantum Algebra |
| url | https://arxiv.org/abs/2512.20597 |