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Interpolation Theorems For Self-Adjoint Operators, Shijun Zheng

Department of Mathematical Sciences Faculty Publications

We prove a complex and a real interpolation theorems on Besov spaces and Triebel-Lizorkin spaces associated with a self adjoint operator L, without assuming the gradient estimate for its spectral kernel. The result applies to the cases where L is a uniformly elliptic operator or a Schrödinger operator with electro-magnetic potential.