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George E. Collins

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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
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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,
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real closed fields (Collins 1973b), and was devoted to the many advances in this subject since Collins' discovery.
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George E. Collins: A Method for Overlapping and Erasure of Lists, Commun. ACM, volume 3, number 12, 1960.
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The first, though cumbersome and error-prone, reference counting technique was described by
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Garbage collection: algorithms for automatic dynamic memory management
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Quantifier elimination and cylindrical algebraic decomposition
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2004 fellows of the Association for Computing Machinery
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Index

Stuart, Iowa
Madison, Wisconsin
Cornell University
Garbage collection (computer science)
University of Wisconsin–Madison
Ohio State University
RISC-Linz
University of Delaware
North Carolina State University
Doctoral advisor
J. Barkley Rosser
Ellis Horowitz
Stuart, Iowa
Madison, Wisconsin
mathematician
computer scientist
garbage collection
reference counting
quantifier elimination
cylindrical algebraic decomposition
Cornell University
IBM
University of Wisconsin–Madison
Ohio State University
RISC-Linz
University of Delaware
North Carolina State University


"In Memoriam: Professor Emeritus George E. Collins"

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