PathIntegrals In Quantum Mechanics, Statistics, Polymer Physics, And Financial Markets (5Th Edition)
量子力学，统计学，高分子物理和金融市场中的路径积分（第5版）
2
In this paper the fundamental concepts and methods of the Feynman pathintegrals are presented. Their applications are explained by harmonic oscillator as an example.
本文介绍了费曼路径积分的基本概念和方法，并以谐振子为例说明了它的应用。
3
Functional integration successfully entered physics as pathintegrals in the 1942 Ph. D. dissertation of Richard P. Feynman, but it made no sense at all as a mathematical definition.