A short proof of Lagrange-Good formula using Dirac delta function

2023/11/08 by Minh-Toan Nguyen, Nguyen, Minh-Toan
Mathematics · Physics and Astronomy · #Algebraic and Geometric Analysis #Combinatorics (math.CO) #FOS: Mathematics #Quantum Mechanics and Applications #Relativity and Gravitational Theory

paper · pdf · doi:10.48550/arxiv.2311.05654

openalex publication_date 2023/11/08 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We give a half-page proof of the Lagrange-Good formula, using the Fourier representation of Dirac delta function.

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