Geodesic
Graded Components of the Lie Algebra Associated with the Lower Central Series of a Right-Angled Coxeter Group
Informatics and Automation, Toric Topology, Group Actions, Geometry, and Combinatorics. Part 2, Tome 318 (2022), pp. 31-42.

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The lower central series of a right-angled Coxeter group $\mathrm {RC}_{\mathcal K}$ and the corresponding graded Lie algebra $L(\mathrm {RC}_{\mathcal K})$ associated with the lower central series of a right-angled Coxeter group are studied. Relations are obtained in the graded components of the Lie algebra $L(\mathrm {RC}_{\mathcal K})$. A basis of the fourth graded component of $L(\mathrm {RC}_{\mathcal K})$ for groups with at most four generators is described. 
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Ya. A. Veryovkin. Graded Components of the Lie Algebra Associated with the Lower Central Series of a Right-Angled Coxeter Group. Informatics and Automation, Toric Topology, Group Actions, Geometry, and Combinatorics. Part 2, Tome 318 (2022), pp. 31-42. http://geodesic.mathdoc.fr/item/TRSPY_2022_318_a2/

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