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Paul Balmer (born 1970) is a Swiss mathematician, working in algebra. He is a professor of mathematics at the University of California, Los Angeles. Balmer received his Ph.D. from the University of Lausanne in 1998, under the supervision of , with a thesis entitled Groupes de Witt dérivés des Schémas (in French). Balmer was an Invited Speaker at the International Congress of Mathematicians in Hyderabad in 2010, with a talk on Tensor Triangular Geometry. In 2012, he became a fellow of the American Mathematical Society. He was awarded the Humboldt Prize in 2015.