A finiteness theorem for Markov bases of hierarchical models

  • Hoşten S
  • Sullivant S
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Abstract

We show that the complexity of the Markov bases of multidimensional tables stabilizes eventually if a single table dimension is allowed to vary. In particular, if this table dimension is greater than a computable bound, the Markov bases consist of elements from Markov bases of smaller tables. We give an explicit formula for this bound in terms of Graver bases. We also compute these Markov and Graver complexities for all K × 2 × 2 × 2 tables. © 2006 Elsevier Inc. All rights reserved.

Author-supplied keywords

  • Contingency tables
  • Graver complexity
  • Hierarchical models
  • Markov bases

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Authors

  • Serkan Hoşten

  • Seth Sullivant

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