Peter Ladislaw Hammer
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Peter Ladislaw Hammer (December 23, 1936, Timișoara – December 27, 2006, Princeton, New Jersey) was an American mathematician native to Romania. He contributed to the fields of operations research and applied
discrete mathematics Discrete mathematics is the study of mathematical structures that can be considered "discrete" (in a way analogous to discrete variables, having a bijection with the set of natural numbers) rather than "continuous" (analogously to continuous f ...
through the study of pseudo-Boolean functions and their connections to graph theory and data mining..


Biography

Hammer was born in Timișoara, Romania, into a Hungarian speaking Jewish family. He did both his undergraduate and graduate studies at the University of Bucharest, earning a diploma in 1958 and a doctorate in 1965 under the supervision of Grigore Moisil. For a while in the 1960s he published under the name of Petru L. Ivănescu. In 1967, he and his wife (Anca Ivănescu) escaped Romania and defected to Israel. Hammer taught at the Technion from 1967 to 1969, then moved to Canada at McGill University in Montreal from 1969 to 1972, at the University of Waterloo from 1972 to 1983, and finally at Rutgers University in
New Brunswick, New Jersey New Brunswick is a city (New Jersey), city in and the county seat, seat of government of Middlesex County, New Jersey, Middlesex County, in the U.S. state of New Jersey. Hammer founded the Rutgers University Center for Operations Research, and created and edited the journals ''
Discrete Mathematics Discrete mathematics is the study of mathematical structures that can be considered "discrete" (in a way analogous to discrete variables, having a bijection with the set of natural numbers) rather than "continuous" (analogously to continuous f ...
'', ''Discrete Applied Mathematics'', ''Discrete Optimization'', ''Annals of Discrete Mathematics'', ''Annals of Operations Research'', and ''SIAM Monographs on Discrete Mathematics and Applications''.


Publications

Hammer's publications include 19 books and over 240 papers. They include: * * 2008. ''Boolean Functions in Computer Science and Engineering'' (with Y. Crama). Cambridge University Press. 2008. * 2009. ''Boolean Functions in Pure and Applied Mathematics'' (with Y. Crama). Cambridge University Press, 2009. * 2010. ''PseudoBoolean Functions'' (with E. Boros and Y. Crama). Cambridge University Press, 2010. *


Awards and honors

In 1966, as a recent doctorate, Hammer won the "Gheorghe Țițeica" prize of the Romanian Academy of Science. He became a fellow of the
American Association for the Advancement of Science The American Association for the Advancement of Science (AAAS) is an American international non-profit organization with the stated goals of promoting cooperation among scientists, defending scientific freedom, encouraging scientific respons ...
in 1974. In 1986 he was awarded his first honorary doctorate, from the École Polytechnique Fédérale de Lausanne; subsequently, he was awarded two more, by the University of Rome La Sapienza in 1998 and the University of Liège in 1999. He also won the Euler Medal of the Institute of Combinatorics and its Applications in 1999, and was a founding fellow of the institute.


See also

* List of University of Waterloo people


References


External links

* {{DEFAULTSORT:Hammer, Peter 1936 births 2006 deaths Scientists from Timișoara 20th-century American mathematicians 21st-century American mathematicians American people of Hungarian-Jewish descent Romanian emigrants to Israel American operations researchers University of Bucharest alumni Rutgers University faculty Technion – Israel Institute of Technology faculty McGill University faculty Road incident deaths in New Jersey University of Waterloo faculty