Geodesic
Note on a theorem of Davenport
Čebyševskij sbornik, Tome 22 (2021) no. 2, pp. 484-489.

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Let $\Lambda$ be a $n$-dimensional lattice, and $c_1,\ldots,c_{n-1}$ be any $n-1$ vectors in $n$-dimensional real Euclidean space. We show that there exists a basis $\alpha_1,\ldots,\alpha_n$ of $\mathsf\Lambda$ such that $$ |\alpha_i-Nc_i|=O(\log^2N),\leqslant (1\leqslant i\leqslant n-1) $$ holds for any real number $N\ge 2$, where the constant implied by the $O$ symbol depends only on $\Lambda$ and $c_1,\ldots,c_{n-1}$.
Keywords: Lattice, basis, approximation, combinatorial sieve. 
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Ke Gong. Note on a theorem of Davenport. Čebyševskij sbornik, Tome 22 (2021) no. 2, pp. 484-489. http://geodesic.mathdoc.fr/item/CHEB_2021_22_2_a29/

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