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Banach spaces, function spaces, real functions, integral transforms, theory of distributions, measure theory.

27 votes
1 answer
1k views

The dual of $\mathrm{BV}$

$\DeclareMathOperator\BV{BV}\DeclareMathOperator\SBV{SBV}$I'm going to let $\BV := \BV(\mathbb{R}^d)$ denote the space of functions of bounded variation on $\mathbb{R}^d$. My question concerns the pro …
Gary Moon's user avatar
  • 683
3 votes
2 answers
334 views

Reference for commutator estimate

I'm interested in Sobolev space estimates for commutators involving a pseudodifferential operator and a Fourier multiplier. More specifically, suppose $p = p(x,\xi) \in S_{1,0}^{m_1}$ and let $q = q(\ …
Gary Moon's user avatar
  • 683
4 votes
0 answers
58 views

Conditions ensuring that the paraproduct remainder is well-defined

In short, my question is: are there conditions that one can impose on two tempered distributions $u$ and $v$ that will guarantee that the paraproduct remainder $R(u,v)$ is well-defined and is "weaker" …
Gary Moon's user avatar
  • 683