subdivergence
nounEtymology From sub- + divergence.
1
Mathematics, Sciences a subset of a graph (or a subdiagram) that causes a divergence in an otherwise complex, multiloop calculation
- The contribution from #92;mathcal#123;E#125;#95;#123;D²#92;mathcal#123;R#125;⁴#125;, the coefficient function of an amplitude that vanishes onshell, arises from a two loop nested subdivergence of the three loop amplitude..2016, Anirban Basu, “Non--analytic terms from nested divergences in maximal supergravity”, in arXiv: