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The definition says "sheaf of vector spaces" but then the example mentions vector fields. It would be good to clarify these basic concepts. 134.157.10.42 (talk) 12:34, 14 October 2015 (UTC)
It would be better to give more references, more examples, some more explicit examples.
Should the definition of the Dubrovin connection be included? MelchiorG (talk) 20:02, 16 October 2010 (UTC)