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弗里曼·戴森(Freeman Dyson),是美国普林斯顿高等研究院的理论物理学家兼数学家。他最著名的科学工作,当属在1949年对变分法(朱利安·施温格和朝永振一郎)与路径积分法(理查德·费曼)之间等价性的证明,从而为量子电动力学
Freeman Dyson is a theoretical physicist and mathematician at the Princeton Institute for Advanced Studies in the United States. His most famous scientific work belonged to the proof of equivalence between the method of variances (Julian Schwinger and Ichiro Chosen) and the path integration method (Richard Feynman) in 1949, Quantum Electrodynamics