Last Updated
：2025/11/25
resummation
Noun
countable
uncountable
Japanese Meaning
数学や物理学において、発散する級数（関数の和）から有限な結果を得るため、収束する別の関数の積分変換を利用し、元の関数を構成する各項を再スケールして処理する手法を指す。
（ plural ）
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(mathematics, physics) A procedure to obtain a finite result from a divergent sum (series) of functions, involving the integral transformation of another (convergent) function in which the individual terms defining the original function are rescaled.
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resummation
The physicist explained how resummation can recover meaningful predictions from a perturbative series that otherwise diverges.
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The physicist explained how resummation can recover meaningful predictions from a perturbative series that otherwise diverges.
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