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hep-th2003★ 3 cited
Diagrammatic Young Projection Operators for U(n)
Henriette Elvang, Predrag Cvitanović, Anthony D. Kennedy
We utilize a diagrammatic notation for invariant tensors to construct the Young projection operators for the irreducible representations of the unitary group U(n), prove their uniq…
hep-th1996
A Simple Proof of the BPH Theorem
A. D. Kennedy
A new formalism is given for the renormalization of quantum field theories to all orders of perturbation theory, in which there are manifestly no overlapping divergences. We prove…