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Hongseok Chang

Publications and source records attributed to Hongseok Chang.

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Obstructions of extension of vector bundles

In the holomorphic or algebraic setting we consider a vector bundle E on a smooth subvariety X in a smooth variety Y over a field of characteristic zero. Assuming E extends to the l-th neighborhood of X in Y, we study cohomological obstructions to extending it further to the k-th neighborhood, for k > l.

math.AG