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A family of crystallographic groups with 2-torsion in K0 of the rational group algebra

Published online by Cambridge University Press:  20 January 2009

P. H. Kropholler  and
B. Moselle
P. H. Kropholler
Affiliation:
School of Mathematical SciencesQueen Mary and Westfield CollegeMile End RoadLondon E1 4NS
B. Moselle
Affiliation:
School of Mathematical SciencesQueen Mary and Westfield CollegeMile End RoadLondon E1 4NS
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We calculate K0 of the rational group algebra of a certain crystallographic group, showing that it contains an element of order 2. We show that this element is the Euler class, and use our calculation to produce a whole family of groups with Euler class of order 2.

Type
Research Article
Information
Proceedings of the Edinburgh Mathematical Society , Volume 34 , Issue 2 , June 1991 , pp. 325 - 331
Copyright
Copyright © Edinburgh Mathematical Society 1991

References

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