Title: On Necessary and Sufficient Conditions for L^p-estimates of Riesz Transforms Associated to Elliptic Operators on R^n and Related Estimates (Memoirs of the American Mathematical Society)
Subjects: Singular integrals, Littlewood-Paley theory, Calderón-Zygmund operator, Elliptic operators, Semigroups, Operadores, Semigrupos, Singuliere integralen, Elliptische differentiaalvergelijkingen, Semigroepen, Calderón-Zygmund-Operator, Elliptischer Differentialoperator, Littlewood-Paley-Theorem, Operatorhalbgruppe, Singuläres Integral