A rational torsion invariant
Authors: John Ewing, Peter Löffler and Erik Kjaer Pedersen
Journal: Proc. Amer. Math. Soc. 102 (1988), 731-736
MSC: Primary 57Q10; Secondary 55P62, 57Q12
MathSciNet review: 929012
Abstract: We show that for spaces with rational cohomology an exterior algebra on odd dimensional generators, one can define a torsion invariant which is a rational number. This may be interpreted as an absolute version of the multiplicative Euler characteristic associated to a rational homotopy equivalence.
Keywords: Reidemeister torsion, rational homotopy equivalence
Article copyright: © Copyright 1988 American Mathematical Society