Sigma qexp deriv bound generic
sigma_qexp_deriv_bound_generic
Plain-language statement
Generic derivative bound for σ_k q-series on compact sets. Uses σ_k(n) ≤ n^(k+1) (sigma_bound) and iter_deriv_comp_bound3 for exponential decay.
Source project: Sphere Packing in Dimension 8
Person-level attribution pending.