Geodesic
Boolean lattices of $n$-multiply $\Omega$-bicanonical Fitting classes
Diskretnaya Matematika, Tome 14 (2002) no. 3, pp. 47-53.

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We describe the $n$-multiply $\Omega$-bicanonical Fitting classes with Boolean lattice of Fitting subclasses. In particular, it is shown that in this case a Fitting class is directly decomposable with the use of the set of all atoms of its lattice. Here the notion of a direct decomposition plays the key role. Therefore we study direct decompositions separately and consider $\Omega$-foliated Fitting classes with more general directions. 
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O. V. Kamozina. Boolean lattices of $n$-multiply $\Omega$-bicanonical Fitting classes. Diskretnaya Matematika, Tome 14 (2002) no. 3, pp. 47-53. http://geodesic.mathdoc.fr/item/DM_2002_14_3_a5/

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