🪄Fourier Multipliers as OperatorsFourier Multipliers as Operators Fourier analysis is especially useful for linear, translation-invariant operators. In physical space, such an operator may involve derivatives…2026-08-23Mathematics
🪄Gaussian Integrals and Related Fourier–Bessel IdentitiesWe collect closed-form formulas for one- and \(n\)-dimensional Gaussian integrals with linear and oscillatory terms, derive even-moment integrals, and list several useful…2025-01-29Mathematics