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The Depletion Ratio

Chuck Groetsch (charles.groetsch@citadel.edu) is the Traubert Professor of Science and Mathematics at The Citadel in Charleston, South Carolina. His chief mathematical interest is approximation theory for ill-posed inverse problems, and he likes to blend analysis, physical science, and history in his teaching. Born and bred in New Orleans, he finds the Charleston humidity quaint after a long sojourn in the Midwest.