Geodesic
Methods of calculating cohomological and Hochschild-Mitchell dimensions of finite partially ordered sets
Homology, homotopy, and applications, Tome 3 (2001) no. 1, pp. 101-110.

Voir la notice de l'article provenant de la source International Press of Boston

Mitchell characterized all finite partially ordered sets with incidence ring of Hochschild dimension 0, 1, and 2. Cheng characterized all finite partially ordered sets of cohomological dimension one. There are no conjectures in other dimensions. This article contains the algorithms for calculating the dimensions of finite partially ordered sets by elementary operations over rows and columns of matrices with integer entries.
DOI : 10.4310/HHA.2001.v3.n1.a5
Classification : 18G20, 55M10 
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A. A. Husainov; A. Pancar. Methods of calculating cohomological and Hochschild-Mitchell dimensions of finite partially ordered sets. Homology, homotopy, and applications, Tome 3 (2001) no. 1, pp. 101-110. doi : 10.4310/HHA.2001.v3.n1.a5. http://geodesic.mathdoc.fr/articles/10.4310/HHA.2001.v3.n1.a5/

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