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Renormalization Theory based on Flow Equations | | Christoph Kopper
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19 Aug 2005 | | Subject: | hep-th | | Abstract: | I give an overview over some work on rigorous renormalization theory based on the differential flow equations of the Wilson-Wegner renormalization group. I first consider massive Euclidean $phi_4^4$-theory. The renormalization proofs are achieved through inductive bounds on regularized Schwinger functions. I present relatively crude bounds which are easily proven, and sharpened versions (which seem to be optimal as regards large momentum behaviour). Then renormalizability statements in Minkowski space are presented together with analyticity properties of the Schwinger functions. Finally I give a short description of further results. | | Source: | arXiv, hep-th/0508143 | | Services: | Forum | Review | PDF | Favorites | |
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