Lisi's model attempts to describe all known fields—the gravitational spin connection, frame, Higgs, gauge bosons, and three generations of fermions—as different parts of a single superconnection over a four-dimensional base manifold.
In Lisi's model, the base is a four-dimensional surface—our spacetime—and the fiber is the E8 Lie group, a complicated 248 dimensional shape, which some mathematicians consider to be the most beautiful shape in mathematics.
Lisi describes several deficiencies in this model. The most important deficiency is noted as "poorly understood," inclusion of the second and third generations of fermions in E8, relying on triality.
Lisi presented the diagrammatic connection of particles. These diagrammatic presentations are similar to Shree Yantras.
Lisi's Theory details
http://en.wikipedia.org/wiki/An_Exceptionally_Simple_Theory_of_Everything
http://arxiv.org/PS_cache/arxiv/pdf/0711/0711.0770v1.pdf
Shree Yantra
http://simple.wikipedia.org/wiki/Shri_Yantra
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