19D55 $K$-theory and homology; cyclic homology and cohomology (3 articles)
Vogt, R. M.: Introduction to algebra over “brave new rings”.
(English).
In:
Slovák, Jan
and Čadek, Martin (eds.): Proceedings of the 18th Winter School "Geometry and Physics".
Circolo Matematico di Palermo, Palermo, 1999.
pp. 49-82
Cap, Andreas; Schichl, Hermann: Characteristic classes for $A$-bundles.
(English).
In:
Bureš, J.
and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Physics".
Circolo Matematico di Palermo, Palermo, 1996.
pp. [57]-71