%0 Journal Article %T Simplified proof of the Theorem of Varopoulos in the commutative case %A Marco Thill %J Mathematics %D 2008 %I arXiv %X We give continuity properties of bitraces on (possibly non-commutative) Banach *-algebras based on the Closed Graph Theorem, leading to a simplified proof of the Theorem of Varopoulos in the commutative case. %U http://arxiv.org/abs/0802.0246v2