Author:
CONWAY ANTHONY,CROWLEY DIARMUID,POWELL MARK,SIXT JOERG
Abstract
Abstract
For every
$k \geq 2$
and
$n \geq 2$
, we construct n pairwise homotopically inequivalent simply connected, closed
$4k$
-dimensional manifolds, all of which are stably diffeomorphic to one another. Each of these manifolds has hyperbolic intersection form and is stably parallelisable. In dimension four, we exhibit an analogous phenomenon for spin
$^{c}$
structures on
$S^2 \times S^2$
. For
$m\geq 1$
, we also provide similar
$(4m-1)$
-connected
$8m$
-dimensional examples, where the number of homotopy types in a stable diffeomorphism class is related to the order of the image of the stable J-homomorphism
$\pi _{4m-1}(SO) \to \pi ^s_{4m-1}$
.
Publisher
Cambridge University Press (CUP)
Cited by
1 articles.
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