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oaioai:iris.uniroma1.it:11573/132717

Sums over graphs and integration over discrete groupoids

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Publication date
1 January 2006
Publisher
SPRINGER
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    Abstract

    We show that sums over graphs such as appear in the theory of Feynman diagrams can be seen as integrals over discrete groupoids. From this point of view, basic combinatorial formulas of the theory of Feynman diagrams can be interpreted as pull-back or push-forward formulas for integrals over suitable groupoids

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    Archivio della ricerca- Università di Roma La Sapienza

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    Last time updated on 12/11/2016

    This paper was published in Archivio della ricerca- Università di Roma La Sapienza.

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