Rohit Jivanlal Parikh
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|Rohit Jivanlal Parikh|
November 20, 1936 |
Palanpur, British India (now Gujarat, India)
|Nationality||India, United States|
|Fields||Mathematics, logic, philosophy, computer sciences, economics|
|Institutions||City University of New York|
|Alma mater||Harvard University, PhD Mathematics, 1962; Harvard College, AB with highest honors in Physics, 1957|
|Doctoral advisor||Hartley Rogers, Jr
|Doctoral students||Former: Horacio Arlo-Costa, Can Baskent, Alessandra Carbone, Samir Chopra, David Ellerman, Amy Greenwald, Pawel Krasucki, Gilbert Ndjatou, Eric Pacuit, Laxmi Parida, Shlomit Pinter, R. Ramanujam, Samer Salame, Farishta Satari, Thomas Sibley, Rick Statman, Chris Steinsvold, Maria Weiss, Ruili Ye, Mark Zelcer, Loes Olde Loohuis.
Current: Yunqi Xue, Todd Stambaugh, Jongjin Kim.
|Known for||his work in recursion theory, proof theory, non-standard analysis, ultrafinitism, dynamic logic, logic of knowledge, philosophical logic, social software, Parikh's theorem.|
William Lowell Putnam Mathematical Competition Prize Winner, 1955, 1956, 1957; William Lowell Putnam Fellow 1957; Phi Beta Kappa, Harvard 1957.Gibbs Prize, Bombay University, 1954.
Rohit Jivanlal Parikh (born November 20, 1936) is a mathematician, logician, and philosopher who has worked in many areas in traditional logic, including recursion theory and proof theory. His catholic attitude towards logic has led to work on topics like vagueness, ultrafinitism, belief revision, logic of knowledge, game theory and social software (social procedure). This last area seeks to combine techniques from logic, computer science (especially logic of programs) and game theory to understand the structure of social algorithms. Examples of such are elections, transport systems, lectures, conferences, and monetary systems, all of which have properties of interest to those who are logically inclined.
Rohit Parikh was married from 1968 to 1994 to Carol Parikh (née Geris), who is best known for her prize-winning stories and for her influential biography of Oscar Zariski, The Unreal Life of Oscar Zariski. They have two children, Vikram (born 1969) and Uma (born 1974).
Parikh's theorem, stating that regular languages and context-free languages have the same sets of letter frequency vectors, is named after him. Among his other contributions is the introduction of bounded arithmetic and the logic of games.
- Editor, International Journal of the Foundations of Computer Science, 1990–1995
- Editor, Journal of Philosophical Logic, 2000–2003
Awards and recognition
- William Lowell Putnam Mathematical Competition Prize Winner, 1955, 1956, 1957
- Gibbs Prize, Bombay University, 1954
Academic and research appointments
- Distinguished Professor, City University of New York, (Brooklyn College and CUNY Graduate Center), 1982–present
- Professor, Mathematics, Boston University, 1972–1982
- Visiting Professor, Mathematics, Courant Institute, 1981
- Associate Professor,Mathematics, Boston University, 1967–1972
- Visiting Associate Professor, Mathematics, SUNY at Buffalo, 1971–1972
- Lecturer, Bristol University, 1965–1967
- Reader, Panjab University, 1964–1965
- Instructor, Stanford University 1961–1963
- Visiting Appointments at Stanford, TIFR Bombay, ETH Zurich, and Caltech
- Existence and Feasibility in Arithmetic, Jour. Symbolic Logic 36 (1971) 494–508.
- On the Length of Proofs, Transactions of the Amer. Math. Soc. 177 (1973) 29–36.
- (With M. Parnes) Conditional Probability can be Defined for Arbitrary Pairs of Sets of Reals, Advances in Math 9 (1972) 520–522.
- (With D.H.J. de Jongh) Well Partial Orderings and Hierarchies, Proc. Kon. Ned. Akad. Sci Series A 80 (1977) 195–207.
- (With D. Kozen) An Elementary Completeness Proof for PDL Theoretical Computer Science 14 (1981) 113–118.
- The Problem of Vague Predicates, in Logic, Language and Method Ed. Cohen and Wartofsky, Reidel (1982) 241–261.
- The Logic of Games and its Applications, Annals of Discrete Math., 24 (1985) 111–140.
- (With R. Ramanujam) Distributed Processing and the Logic of Knowledge, in Logics of Programs, Springer Lecture Notes in Computer Science, 193 pp. 256–268.
- Communication, Consensus and Knowledge, (with P. Krasucki), Jour. Economic Theory 52 (1990) pp. 178–189.
- Knowledge and the Problem of Logical Omniscience ISMIS- 87 (International Symp. on Methodology for Intelligent Systems), North Holland (1987) pp. 432–439.
- Finite and Infinite Dialogues, in the Proceedings of a Workshop on Logic from Computer Science, Ed. Moschovakis, MSRI publications, Springer 1991 pp. 481–498.
- Vagueness and Utility: the Semantics of Common Nouns in Linguistics and Philosophy 17 1994, 521–35.
- Topological Reasoning and The Logic of Knowledge (with Dabrowski and Moss) Annals of Pure and Applied Logic 78 (1996) 73–110.
- Belief revision and language splitting, in Proc. Logic, Language and Computation, Ed. Moss, Ginzburg and de Rijke, CSLI 1999, pp. 266–278 (earlier version appeared in 1996 in the preliminary proceedings).
- (with Samir Chopra), Relevance Sensitive Belief Structures, Annals of Mathematics and Artificial Intelligence, 28(1-4): 259–285 (2000).
- Social Software, Synthese, 132, Sep 2002, 187–211.
- (with Jouko Vaananen), Finite information logic, Annals of Pure and Applied Logic, 134 (2005) 83–93.
- (With R. Ramanujam), A Knowledge based Semantics of Messages, Jour. Logic, Language and Information, 12 2003, 453–467.
- Levels of Knowledge, Games, and Group Action, Research in Economics, 57 2003, 267–281.
- Parikh's archive on the CUNY Philosophy Commons
- Rohit Parikh's Curriculum Vitae
- Brooklyn College home page
- Philosophy Dept. CUNY home page
- An Interview with Rohit Parikh
- Knowledge, Games and Belief Group, Graduate Center City University of New York