George E. Collins
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George Edwin Collins | |
|---|---|
| Born | January 10, 1928 Stuart, Iowa, U.S. |
| Died | November 21, 2017 (aged 89) Madison, Wisconsin, U.S. |
| Alma mater | Cornell University |
| Known for | Garbage collection (computer science) |
| Scientific career | |
| Institutions | University of Wisconsin–Madison, Ohio State University, RISC-Linz, University of Delaware, North Carolina State University |
| Doctoral advisor | J. Barkley Rosser |
| Doctoral students | Ellis Horowitz |
George E. Collins (January 10, 1928 in Stuart, Iowa – November 21, 2017 in Madison, Wisconsin)[1] was an American mathematician and computer scientist. He is the inventor of garbage collection by reference counting[G60][2] and of the method of quantifier elimination by cylindrical algebraic decomposition.[G75][3]
He received his PhD from Cornell University in 1955.[4] He worked at IBM, the University of Wisconsin–Madison (1966–1986) Ohio State University, RISC-Linz, University of Delaware, and North Carolina State University.[1]
Selected publications
[edit]| G60. | George E. Collins: A Method for Overlapping and Erasure of Lists, Commun. ACM, volume 3, number 12, 1960.
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| G75. | George E. Collins: Quantifier elimination for the elementary theory of real closed fields by cylindrical algebraic decomposition, Second GI Conf. Automata Theory and Formal Languages, Springer LNCS 33, 1975.
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References
[edit]- ^ a b "In Memoriam: Professor Emeritus George E. Collins". Archived from the original on 2018-09-09. Retrieved 2017-12-12.
- ^ Jones, Richard; Lins, Rafael (1996), Garbage collection: algorithms for automatic dynamic memory management, Wiley, p. 40, ISBN 9780471941484,
The first, though cumbersome and error-prone, reference counting technique was described by H. Gelertner, J.R. Hansen, and C.L. Gerberich [Gelernter et al, 1960] but the standard reference counting algorithm is due to George Collins [Collins, 1960].
- ^ Caviness, Bob F.; Johnson, Jeremy R., eds. (1998), Quantifier elimination and cylindrical algebraic decomposition, Springer, p. v, ISBN 9783211827949,
A symposium on Quantifier Elimination and Cylindrical Algebraic Decomposition was held October 6–8, 1993 ... the symposium celebrated the 20th anniversary of George Collins' discovery of Cylindrical Algebraic Decomposition (CAD) as a method for Quantifier Elimination (QE) for the elementary theory of real closed fields (Collins 1973b), and was devoted to the many advances in this subject since Collins' discovery.
- ^ "George Collins - the Mathematics Genealogy Project".
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