[ALGTOP-L] question from Ziegler

jim stasheff jds at math.upenn.edu
Thu Apr 5 08:49:59 EDT 2012


Does anyone have a reference for:

The Euler-class for an open non-compact
manifold possibly with twisted coefficients (if the
group action on the manifold does not preserve
orientation) and/or for a compactification
e.g. the one point compactification

jim



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