%0 Journal Article %A Castrillón López, Marco %A Muñoz Masqué, Jaime %T A Report On Gauge Invariant Forms And Variational Problems On The Bundle Of Connections Of A Principal U(1)-Bundle And On Associated Vector Bundles %D 2004 %@ 0219-8878 %U https://hdl.handle.net/20.500.14352/50767 %X Basic results on gauge invariance of differential forms on the bundle of connections of an arbitrary principal U(1)-bundle and its associated bundles, are reviewed in terms of the underlying geometry to such bundles, within the framework of classical electromagnetism. %~