Abstract
We describe a self-interacting scalar field on a truncated sphere and perform the quantization using the functional (path) integral approach. The theory possesses full symmetry with respect to the isometries of the sphere. We explicitly show that the model is finite and that UV regularization automatically takes place.
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Grosse, H., Klimčík, C. & Prešnajder, P. Finite quantum field theory in noncommutative geometry. Int J Theor Phys 35, 231–244 (1996). https://doi.org/10.1007/BF02083810
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DOI: https://doi.org/10.1007/BF02083810