Lek-Heng Lim uses tools from algebra, geometry and topology to answer questions in machine learning. The post An Applied Mathematician With an Unexpected Toolbox first appeared on Quanta Magazine

Lek-Heng Lim longs for a renaissance that would reunite pure and applied mathematics. He points out that the distinction, which in modern math appears to be elemental, is in fact recent. “This break between pure and applied math happened in the last 80 years,” Lim said. “I would argue for a return to the old days.” Lim’s research moves us closer to this reunion. He studies machine learning and…

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