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Forking in VC-minimal theories

Published online by Cambridge University Press:  12 March 2014

Sarah Cotter
Affiliation:
University of Notre Dame, Department of Mathematics, Notre Dame, IN 46556, USA, E-mail: scotter1@nd.edu
Sergei Starchenko
Affiliation:
University of Notre Dame, Department of Mathematics, Notre Dame, IN 46556, USA, E-mail: starchenko.1@nd.edu

Abstract

We consider VC-minimal theories admitting unpackable generating families, and show that in such theories, forking of formulae over a model M is equivalent to containment in global types definable over M, generalizing a result of Dolich on o-minimal theories in [4].

Type
Research Article
Copyright
Copyright © Association for Symbolic Logic 2012

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References

REFERENCES

[1]Adler, H., Theories controlled by formulas of Vapnik–Chervonenkis codimension 1, preprint, 2008.Google Scholar
[2]Adler, H., Introduction to theories without the independence property, Archive for Mathematical Logic, to appear.Google Scholar
[3]Chernikov, A. and Kaplan, I., Forking and dividing in NTP2 theories, this Journal, vol. 77 (2012), no. 1, pp. 120.Google Scholar
[4]Dolich, A., Forking and independence in o-minimal theories, this Journal, vol. 69 (2004), no. 1, pp. 215240.Google Scholar
[5]Dolich, A., Goodrick, J., and Lippel, D., dp-minimality: basic facts and examples, Notre Dame Journal of Formal Logic, vol. 52 (2011), no. 3, pp. 267288.CrossRefGoogle Scholar
[6]Flenner, J. and Guingona, V., Canonical forests in directed families, preprint, 2011.Google Scholar
[7]Holly, J., Canonical forms for definable subsets of algebraically closed and real closed valued fields, this Journal, vol. 40 (1995), no. 3, pp. 843860.Google Scholar
[8]Hrushovski, E. and Loeser, F., Non-archimedean tame topology and stably dominated types, preprint, 2011.Google Scholar
[9]Hrushovski, E. and Pillay, A., On NIP and invariant measures, Journal of the European Mathematical Society, vol. 13 (2011), no. 4, pp. 10051061.Google Scholar
[10]Kaplan, I., Onshuus, A., and Usvyatsov, A., Additivity of the dp-rank, Transactions of the American Mathematical Society, to appear.Google Scholar