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hep-th1994
Geometry of the Frenkel-Kac-Segal cocycle
Nikolaos Kalogeropoulos
We present an analysis of the cocycle appearing in the vertex operator representation of simply-laced, affine, Kac-Moody algebras. We prove that it can be described in the context…
hep-th1993
Comments on the Gribov Ambiguity
Nikolaos Kalogeropoulos
We discuss the existence of Gribov ambiguities in gauge theories over the spheres. We achieve our goal by showing that there is exactly one conjugacy class o…