2026-01-27 17:10
Mathlib/Analysis/SpecialFunctions/Trigonometric/Chebyshev/Orthogonality.lean
feat(Chebyshev/Orthogonality): Chebyshev T polynomials are orthogonal (#33676) …
Added Polynomial.Chebyshev.integral_eval_T_real_mul_eval_T_real_measureT_of_ne