Geodesic
A trajectory in $\mathbb {R}^3$ concealed from observers
Trudy Instituta matematiki i mehaniki, Trudy Instituta Matematiki i Mekhaniki UrO RAN, Tome 22 (2016) no. 2, pp. 47-54 Cet article a éte moissonné depuis la source Math-Net.Ru

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In the problem of tracking by observers of an object moving in $\mathbb {R}^3$, the most concealed trajectory is characterized under the condition that the object is at any time visible to at most two observers.
Mots-clés : navigation, observer.
Keywords: tracking problem, moving object 
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V. I. Berdyshev. A trajectory in $\mathbb {R}^3$ concealed from observers. Trudy Instituta matematiki i mehaniki, Trudy Instituta Matematiki i Mekhaniki UrO RAN, Tome 22 (2016) no. 2, pp. 47-54. http://geodesic.mathdoc.fr/item/TIMM_2016_22_2_a5/

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