Geodesic
Modules of Gorenstein dimension zero over graph algebras
Sbornik. Mathematics, Tome 207 (2016) no. 7, pp. 964-982 Cet article a éte moissonné depuis la source Math-Net.Ru

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We show that nonfree modules of Gorenstein dimension zero over a graph algebra exist if and only if the graph is a tree. A classification of such modules is given. Bibliography: 19 titles.
Keywords: Gorenstein dimension, $\operatorname{CI}$-dimension. 
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E. S. Golod; G. A. Pogudin. Modules of Gorenstein dimension zero over graph algebras. Sbornik. Mathematics, Tome 207 (2016) no. 7, pp. 964-982. http://geodesic.mathdoc.fr/item/SM_2016_207_7_a3/

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