John N. Mather

John N. Mather
Mather at Oberwolfach in 2005
Born
John Norman Mather

(1942-06-09)June 9, 1942
DiedJanuary 28, 2017(2017-01-28) (aged 74)
Alma materHarvard University
Princeton University
Known forSmooth functions
Topologically stratified space
Aubry–Mather theory
Mather theory
Mather division theorem
AwardsJohn J. Carty Award for the Advancement of Science (1978)
National Order of Scientific Merit (Brazil) (2000)
George David Birkhoff Prize (2003)
Brouwer Medal (2014)
Scientific career
FieldsMathematics
InstitutionsInstitut des Hautes Études Scientifiques
Harvard University
Princeton University
Doctoral advisorJohn Milnor
Doctoral studentsGiovanni Forni (1993)
Vadim Kaloshin (2001)
Alfonso Sorrentino (2008)

John Norman Mather (June 9, 1942 – January 28, 2017) was a mathematician at Princeton University known for his work on singularity theory and Hamiltonian dynamics.