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Volume 303 - Loops and Legs in Quantum Field Theory (LL2018) - Parallel 9
The corolla polynomial: a graph polynomial on half-edges
D. Kreimer
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Published on: 2018 October 02
The study of Feynman rules is much facilitated by the two Symanzik polynomials, homogeneous polynomials based on edge variables for a given Feynman graph. We review here the role of a
recently discovered third graph polynomial based on half-edges which facilitates the transition from scalar to gauge theory amplitudes: the corolla polynomial. We review in particular the use of graph homology in the construction of this polynomial.
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