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**Exceptional Quantum Geometry and Particle Physics**

**Posted by John Baez**

**https://golem.ph.utexas.edu/category/2018/08/exceptional_quantum_geometry_a.html**

and the following discussion? It also includes links to the original papers.

**Exceptional quantum geometry and particle physics**

https://arxiv.org/abs/1604.01247

**Exceptional quantum geometry and particle physics II**

https://arxiv.org/abs/1808.08110

It talks about how they get the gauge group of the Standard Model from the symmetry group of the exceptional Jordan algebra. They are talking about SU(3) x SU(2) x U(1)/Z/6 instead of SU(3) x SU(2) x U(1).