35 citations · 271 across the 24 of their papers we have counts for
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math-ph2008★ 35 cited
Quantum charges and spacetime topology: The emergence of new superselection sectors
Romeo Brunetti, Giuseppe Ruzzi
In which is developed a new form of superselection sectors of topological origin. By that it is meant a new investigation that includes several extensions of the traditional framew…
math.KT2008
Net bundles over posets and K-theory
J. E. Roberts, G. Ruzzi, E. Vasselli
We continue studying net bundles over partially ordered sets (posets), defined as the analogues of ordinary fibre bundles. To this end, we analyze the connection between homotopy,…