Operator theory and analytic function spaces form a rich interface between functional analysis, complex analysis and mathematical physics. At its core, operator theory studies linear maps on Hilbert ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American On our most recent episode of My Favorite ...

Real and complex functions both arise from the fundamental idea of mapping points in a domain to real or complex values, yet their theories display distinctive features. Real functions—mappings ...