Pierre Lelong (14 March 1912 Paris – 12 October 2011)
at the académie des sciences was a French mathematician who introduced the
Poincaré–Lelong equation, the
Lelong number In mathematics, the Lelong number is an invariant of a point of a complex analytic variety that in some sense measures the local density at that point. It was introduced by . More generally a closed positive (''p'',''p'') current ''u'' on a comple ...
and the concept of
plurisubharmonic functions.
Career
Lelong earned his doctorate in 1941 from the
École Normale Supérieure
École may refer to:
* an elementary school in the French educational stages normally followed by secondary education
Secondary education or post-primary education covers two phases on the International Standard Classification of Education sca ...
, under the supervision of
Paul Montel. On 5 June 1981 Lelong received an
honorary doctorate
An honorary degree is an academic degree for which a university (or other degree-awarding institution) has waived all of the usual requirements. It is also known by the Latin phrases ''honoris causa'' ("for the sake of the honour") or '' ad ho ...
from the Faculty of
Mathematics and Science at
Uppsala University
Uppsala University ( sv, Uppsala universitet) is a public research university in Uppsala, Sweden. Founded in 1477, it is the oldest university in Sweden and the Nordic countries still in operation.
The university rose to significance durin ...
,
Sweden.
He became a member of the
French Academy of Sciences
The French Academy of Sciences (French: ''Académie des sciences'') is a learned society, founded in 1666 by Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French scientific research. It was at th ...
in 1985.
Personal life
He married another mathematician,
Jacqueline Ferrand, in 1947; they separated in 1977.
[.]
References
{{DEFAULTSORT:Lelong, Pierre
École Normale Supérieure alumni
20th-century French mathematicians
21st-century French mathematicians
Members of the French Academy of Sciences
Complex analysts
Mathematical analysts
2011 deaths
1912 births