Geodesic
Rank functions for stable diagrams
Matematičeskie trudy, Tome 22 (2019) no. 1, pp. 119-126.

Voir la notice de l'article provenant de la source Math-Net.Ru

Let $D$ be the diagram of a sufficiently homogeneous model. For types that are realized in this model, we introduce certain rank functions and prove the following assertions: (1) If, for each type, the rank is less than $\infty$ then the diagram is stable; (2) if the diagram $D$ is stable then the set of non-algebraic types of rank less than $\infty$ is large enough. 
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K. Zh. Kudaǐbergenov. Rank functions for stable diagrams. Matematičeskie trudy, Tome 22 (2019) no. 1, pp. 119-126. http://geodesic.mathdoc.fr/item/MT_2019_22_1_a4/

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