Geodesic
On Angles between Linear Subspaces in $\mathbb R^4$ and the Singularity
Matematičeskie zametki, Tome 115 (2024) no. 3, pp. 450-457 Cet article a éte moissonné depuis la source Math-Net.Ru

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We generalize the Khinchin singularity phenomenon for the problem in which, for a given irrational linear subspace, rational subspaces forming the least angle with the given subspace are sought.
Keywords: function of the measure of irrationality, singularity, angle between subspaces. 
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A. O. Chebotarenko. On Angles between Linear Subspaces in $\mathbb R^4$ and the Singularity. Matematičeskie zametki, Tome 115 (2024) no. 3, pp. 450-457. http://geodesic.mathdoc.fr/item/MZM_2024_115_3_a10/

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