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T1 - Off-diagonal and two-sided commutator bounds
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UR - URN:ISBN:978-951-51-8188-6; http://hdl.handle.net/10138/343583
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A1 - Oikari, Tuomas
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PB - Helsingin yliopisto
Y1 - 2022
LA - en
AB - Singular integrals quantify regularity in partial differential equations and geometric measure theory, while commutators of these singular integrals are tied to factorizations of Hardy spaces, div-curl lemmas and to the Jacobian problem; all relevant examples in contemporary analysis.
Our commutators are formed by commuting a singular integral with a function (symbol) acting as a pointwise multiplication. In this dissertation we are concerned with both the qualitative and quantitative properties...
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KW - matematiikka
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