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On Overlapping Divergences

High Energy Physics - Theory 2009-10-31 v4 Quantum Algebra

Abstract

Using set-theoretic considerations, we show that the forest formula for overlapping divergences comes from the Hopf algebra of rooted trees.

Cite

@article{arxiv.hep-th/9810022,
  title  = {On Overlapping Divergences},
  author = {Dirk Kreimer},
  journal= {arXiv preprint arXiv:hep-th/9810022},
  year   = {2009}
}

Comments

25p, latex, epsf for figures, final version, to appear in Comm.Math.Phys