| |
|
Bernhard Burgstaller
Equivariant KK-theory for semimultiplicative sets
|
|
| Published: |
November 30, 2009
|
| Keywords: |
Equivariant KK-theory, semimultiplicative set, semigroup |
| Subject: |
19K35, 20N02 |
|
|
Abstract
A semimultiplicative set G is a set which has a partially defined
associative multiplication. We associate a reduced C*-algebra
C*r(G) to G and define reduced crossed products A \rtimes G.
Moreover, we introduce a G-equivariant KK-theory
and show the existence of a Kasparov product.
|
|
| Acknowledgements
The author was supported by the Marie Curie Network MRTN-CT-2006-031962.
|
|
| Author information
Doppler Institute for mathematical physics, Trojanova 13, 12000 Prague, Czech Republic
|
|
