We now turn to the study of finer—microlocal—properties of distributions and, closely related, to non-elliptic phenomena. We develop the notion of wave front set from the following observation about the local nature of full symbolic expansions.

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Microlocalization

  • Peter Hintz

摘要

We now turn to the study of finer—microlocal—properties of distributions and, closely related, to non-elliptic phenomena. We develop the notion of wave front set from the following observation about the local nature of full symbolic expansions.