Abstract
We present the main ideas and techniques of the proof that the duality-covariant four-dimensional non-commutative Φ4-model is renormalisable to all orders. This includes the reformulation as a dynamical matrix model, the solution of the free theory by orthogonal polynomials as well as the renormalisation byflow equations involving power-counting theorems for ribbon graphs drawn on Riemann surfaces
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Grosse, H., Wulkenhaar, R. Renormalisation of Φ4-Theory on Non-Commutative \(\mathbb{R}^{4}\) to All Orders. Lett Math Phys 71, 13–26 (2005). https://doi.org/10.1007/s11005-004-5116-3
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DOI: https://doi.org/10.1007/s11005-004-5116-3