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Category Archives: cohomology
The Gelfand-Fuchs cocycle
Let be a vector field on the Euclidean line . Expressed in a coordinate the vector field is . The logarithm of the component value at each point of the vector field is the fundamental Euclidean invariant We now let … Continue reading
Posted in cohomology
Tagged differentials, Lie algebras, projective line, Schwarzian derivative
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