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arXiv · 1609.03303

Strong ultra-regularity properties for positive elements in the twisted convolutions

Yuanyuan Chen
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Abstract

We show that positive elements with respect to the twisted convolutions, belonging to some ultra-test function space of certain order at origin, belong to the ultra-test function space of the same order everywhere. We apply the result to positive semi-definite Weyl operators.

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Yuanyuan Chen. 2016-09-12. Strong ultra-regularity properties for positive elements in the twisted convolutions. https://arxiv.org/abs/1609.03303

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