REAL ANALYSIS - USTC
Chapter 5. Hilbert Spaces: Several Examples 207 1 The Fourier transform on L2 207 2 The Hardy space of the upper half-plane 213 3 Constant coe–cient partial difierential equations 221 3.1 Weak solutions 222 3.2 The main theorem and key estimate 224 4* The Dirichlet principle 229 4.1 Harmonic functions 234
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