Autre Publication Scientifique Année : 2014

A MODEL THEORETIC STUDY OF RIGHT-ANGLED BUILDINGS

Résumé

We study the model theory of countable right-angled buildings with infinite residues. For every Coxeter graph we obtain a complete theory with a natural axiomatisation, which is ω-stable and equational. Furthermore, we provide sharp lower and upper bounds for its degree of ampleness, computed exclusively in terms of the associated Coxeter graph. This generalises and provides an alternative treatment of the free pseudospace.

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Dates et versions

hal-01079813 , version 1 (03-11-2014)
hal-01079813 , version 2 (10-11-2014)
hal-01079813 , version 3 (02-12-2014)
hal-01079813 , version 4 (12-08-2015)

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  • HAL Id : hal-01079813 , version 1

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Andreas Baudisch, Amador Martin-Pizarro, Martin Ziegler. A MODEL THEORETIC STUDY OF RIGHT-ANGLED BUILDINGS. 2014. ⟨hal-01079813v1⟩
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