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math.CO2026
The Schur positivity of
Dun Qiu, Minhao Zhang
Bergeron, Garsia, Haiman and Tesler conjectured in 1999 that, for all partitions , the polynomial has nonnegative in…
math.CO2026
The nonsymmetric compositional Delta theorem
Dun Qiu, Minhao Zhang
Extending the symmetric framework of D'Adderio and Mellit, we establish a nonsymmetric generalization of the compositional Delta theorem. Building on Blasiak et al.'s theory of fla…