# On Maximal, Universal and Complete Extensions of Yang-Mills-Type Theories

@article{Martins2020OnMU, title={On Maximal, Universal and Complete Extensions of Yang-Mills-Type Theories}, author={Y. X. Martins and L. F. A. Campos and Rodney Josu'e Biezuner}, journal={arXiv: Mathematical Physics}, year={2020} }

In this paper we continue the program on the classification of extensions of the Standard Model of Particle Physics started in arXiv:2007.01660. We propose four complementary questions to be considered when trying to classify any class of extensions of a fixed Yang-Mills-type theory $S^G$: existence problem, obstruction problem, maximality problem and universality problem. We prove that all these problems admits a purely categorical characterization internal to the category of extensions of $S… Expand

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