Pascal Auscher is a French mathematician working at

University of Paris-Sud Paris-Sud University (French: ''Université Paris-Sud''), also known as University of Paris — XI (or as Université d'Orsay before 1971), was a French research university distributed among several campuses in the southern suburbs of Paris, in ...

. Specializing in

harmonic analysis Harmonic analysis is a branch of mathematics concerned with the representation of functions or signals as the superposition of basic waves, and the study of and generalization of the notions of Fourier series and Fourier transforms (i.e. an e ...

and

operator theory In mathematics, operator theory is the study of linear operators on function spaces, beginning with differential operators and integral operators. The operators may be presented abstractly by their characteristics, such as bounded linear oper ...

, he is mostly known for, together with Steve Hofmann,

Michael Lacey Michael Lacey may refer to: * Michael Lacey (mathematician) (born 1959), an American mathematician * Michael Lacey (editor), American newspaper editor * Michael Pearse Lacey (1916–2014), Canadian bishop * Mick Lacey, Irish hurler See also * M ...

, Alan McIntosh and Philippe Tchamitchian, solving the famous Kato's conjecture.

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* Living people Year of birth missing (living people) 21st-century French mathematicians {{France-mathematician-stub