Ode to commutator operators

2007/02/15 by Stephen Semmes, Semmes, Stephen
Mathematics · #Classical Analysis and ODEs (math.CA) #FOS: Mathematics #math.CA

paper · pdf · doi:10.48550/arxiv.math/0702462

10 pages, latex-2e. some additions, changes, and corrections

arxiv created 2007/11/23 · arxiv updated 2011/11/09

Abstract

These brief remarks have been prepared in connection with a conference in honor of my thesis advisor, Richard Rochberg.

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• The Commutator as Least Fixed Point of a Closure Operator
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• Commutators on L_p, 1≤ p<∞
• Commutativity up to a factor for bounded and unbounded operators