Howard Jerome Keisler
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December 3, 1936|
Seattle, United States
|Known for||Non-standard analysis|
|Institutions||University of Wisconsin-Madison|
|Doctoral advisor||Alfred Tarski|
|Doctoral students||Frederick Rowbottom|
Howard Jerome Keisler (born 3 December 1936) is an American mathematician, currently professor emeritus at University of Wisconsin–Madison. His research has included model theory and non-standard analysis.
Following Abraham Robinson's work resolving what had long been thought to be inherent logical contradictions in the literal interpretation of Leibniz's notation that Leibniz himself had proposed, that is, interpreting "dx" as literally representing an infinitesimally small quantity, Keisler published Elementary Calculus: An Infinitesimal Approach, a first-year calculus textbook conceptually centered on the use of infinitesimals, rather than the epsilon, delta approach, for developing the calculus.
He held the named chair of Vilas Professor of Mathematics at Wisconsin.
Among Keisler's graduate students, several have made notable mathematical contributions, including Frederick Rowbottom who discovered Rowbottom cardinals. Several others have gone on to careers in computer science research and product development, including: Michael Benedikt, a professor of computer science at the University of Oxford, Kevin J. Compton, a professor of computer science at the University of Michigan, Curtis Tuckey, a developer of software-based collaboration environments; Joseph Sgro, a neurologist and developer of vision processor hardware and software, and Edward L. Wimmers, a database researcher at IBM Almaden Research Center.
- Chang, C. C.; Keisler, H. J. Continuous Model Theory. Annals of Mathematical Studies, 58, Princeton University Press, 1966. xii+165 pp.
- Model Theory for Infinitary Logic, North-Holland, 1971
- Chang, C. C.; Keisler, H. J. Model theory. Third edition. Studies in Logic and the Foundations of Mathematics, 73. North-Holland Publishing Co., Amsterdam, 1990. xvi+650 pp. ISBN 0-444-88054-2; 1st edition 1973; 2nd edition 1977
- Elementary Calculus: An Infinitesimal Approach. Prindle, Weber & Schmidt, 1976/1986. Available online at .
- An Infinitesimal Approach to Stochastic Analysis, American Mathematical Society Memoirs, 1984
- Keisler, H. J.; Robbin, Joel. Mathematical Logic and Computability, McGraw-Hill, 1996
- Fajardo, Sergio; Keisler, H. J. Model Theory of Stochastic Processes, Lecture Notes in Logic, Association for Symbolic Logic. 2002
- Criticism of non-standard analysis
- Non-standard calculus
- Elementary Calculus: An Infinitesimal Approach
- Influence of non-standard analysis
- G. Weaver (2001) , "Henkin construction", in Hazewinkel, Michiel, Encyclopedia of Mathematics, Springer Science+Business Media B.V. / Kluwer Academic Publishers, ISBN 978-1-55608-010-4
- George Weaver (1997). Henkin-Keisler models. Springer. ISBN 978-0-7923-4366-0.
- List of Fellows of the American Mathematical Society, retrieved 2013-01-27.
- Makkai, M. (1976). "Review: Model theory by C. C. Chang and H. J. Keisler" (PDF). Bull. Amer. Math. Soc. 82 (3): 433–446. doi:10.1090/s0002-9904-1976-14035-9.
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