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math.QA2026
A Note on Universal Positivity of Rank-Two Quantum Greedy Elements
Qiyue Tang
We prove universal positivity of rank-two quantum greedy elements when or , resolving a conjecture of Lee, Li,Rupel and Zelevinsky.
math.QA2026
Quantum Laurent positivity in rank three
Qiyue Tang
We prove Laurent positivity for skew-symmetrizable quantum cluster algebras of rank three, with arbitrary integral compatible quantizations and invertible frozen variables. The pro…