On the Geometries of Non-orientable Fibre-bundles with Base and Fibre Euclidean Surfaces
Robin J. Cobb
Research Report 97-30
Date: 4 November 1997
We show that closed 4-manifolds which fibre over the torus or Klein bottle
with fibre a torus or Klein bottle are geometric in the sense of Thurston.
4-manifold. fibre-bundle. geometry. group extension.
AMS Subject Classification (1991)
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Sydney Mathematics and Statistics