Mathematics – Differential Geometry
Scientific paper
2009-12-04
Mathematics
Differential Geometry
To appear in Portugaliae Mathematicae
Scientific paper
For a local Lie group M we define odd order cohomology classes. The first
class is an obstruction to globalizability of the local Lie group. The third
class coincides with Godbillon-Vey class in a particular case. These classes
are secondary as they emerge when curvature vanishes.
Abadoğlu Ender
Ortacgil Ercument
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