Family 043Algebraic and complex geometryNo LeanNot yet digested
P = W for fixed-determinant SL moduli spaces
Proves on the full rational cohomology of smooth coprime fixed-determinant, trace-free Higgs moduli spaces and their character varieties for composite ranks over smooth projective complex curves of genus at least two. This includes variant cohomology and, together with the known prime-rank theorems, establishes the fixed-determinant P = W conjecture in every coprime rank.
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P=W in composite rank for fixed determinant
Sep 24, 2026·P-equals-W-in-composite-rank-for-fixed-determinant-September-24-2026.pdf
We prove the P = W conjecture on the full rational cohomology of fixed-determinant, trace-free Higgs moduli spaces in composite rank and coprime degree, for smooth projective complex curves of genus at least two. Together with the established prime-rank cases, this gives the equality in every coprime rank.