2 papers
math.SP2019
Spectral theory of a class of nilmanifolds attached to clifford modules
Wolfram Bauer, Kenro Furutani, Chisato Iwasaki +1
We determine the spectrum of the sub-Laplacian on pseudo H-type nilmanifolds and present pairs of isospectral but non-diffeomorphic nilmanifolds with respect to the sub-Laplacian.…
math.DG2016
A co-dimensional 3 sub-Riemannian structure on Gromoll-Meyer exotic sphere
Wolfram Bauer, Kenro Furutani, Chisato Iwasaki
We construct a co-dimension completely non-holonomic sub-bundle on the Gromoll-Meyer exotic sphere based on its realization as a base space of a Sp(2)-principal bundle with…