Stein--Tomas Restriction Theorem Analysis Open Mapping Theorem for Holomorphic Functions Complex Analysis Components of a Locally Connected Space Are Open Topology Wirtinger Form of the Cauchy-Riemann Equations Complex Analysis Structure Theorem For BV Geometric Measure Theory RESET THEOREM Partial Differential Equations Eberlein-Smulian Theorem Analysis Adjoint Operator Norm Inequality Functional Analysis Analysis Area