2 papers
math-ph1999
The Universal Covering Group of U(n) and Projective Representations
M. A. Aguilar, M. Socolovsky
Using fibre bundle theory we construct the universal covering group of U(n), , and show that is isomorphic to the semidirect product $SU(n)\bigcirc {\s…
hep-th1998
On the Topology of the Symmetry Group of the Standard Model
M. A. Aguilar, M. Socolovsky
We study the topological structure of the symmetry group of the standard model, . Locally, . For SU(3)…