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Rational Euler Characteristics

Published online by Cambridge University Press:  24 October 2008

C. T. C. Wall
C. T. C. Wall
Affiliation:
Trinity CollegeCambridge
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Extract

Let ℒ be the class of discrete groups G which admit a finite complex X as classifying space. On ℒ we may define the Euler characteristic χ(G) = χ(X); that this is independent of X follows from the homological interpretation of characteristics.

Type
Research Notes
Information
Mathematical Proceedings of the Cambridge Philosophical Society , Volume 57 , Issue 1 , January 1961 , pp. 182 - 184
Copyright
Copyright © Cambridge Philosophical Society 1961

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