The e-invariant and the spectrum of the Lapacian for compact nilmanifolds covered by Heisenberg groups.
Page 1
W. Singhof, Ch. Deninger (1984)
Inventiones mathematicae
P.B. Gilkey (1984)
Inventiones mathematicae
Nestke, A., Zickermann, F. (1985)
Proceedings of the Winter School "Geometry and Physics"
Malakhaltsev, M.A. (1999)
Lobachevskii Journal of Mathematics
Nigel J. Hitchin (1982/1983)
Séminaire Bourbaki
Page 1