英和和英

名詞

subdivergence (plural subdivergences)

1. (mathematics) a subset of a graph (or a subdiagram) that causes a divergence in an otherwise complex, multiloop calculation
   • 2016, Anirban Basu, “Non--analytic terms from nested divergences in maximal supergravity”, in arXiv‎:

     The contribution from ${\displaystyle {\mathcal {E}}_{D^{2}{\mathcal {R}}^{4}}}$, the coefficient function of an amplitude that vanishes onshell, arises from a two loop nested subdivergence of the three loop amplitude..