Geodesic
On a dense winding of the 2-dimensional torus
Sbornik. Mathematics, Tome 207 (2016) no. 4, pp. 581-589 Cet article a éte moissonné depuis la source Math-Net.Ru

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An important role in the solution of a class of optimal control problems is played by a certain polynomial of degree $2(n-1)$ of special form with integer coefficients. The linear independence of a family of $k$ special roots of this polynomial over $\mathbb{Q}$ implies the existence of a solution of the original problem with optimal control in the form of a dense winding of a $k$-dimensional Clifford torus, which is traversed in finite time. In this paper, it is proved that for every integer $n>3$ one can take $k$ to be equal to $2$. Bibliography: 6 titles.
Keywords: optimal control, dense winding, linear independence.
Mots-clés : Galois group 
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D. D. Kiselev. On a dense winding of the 2-dimensional torus. Sbornik. Mathematics, Tome 207 (2016) no. 4, pp. 581-589. http://geodesic.mathdoc.fr/item/SM_2016_207_4_a4/

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