Geodesic
Exact null controllability of degenerate evolution equations with scalar control
Sbornik. Mathematics, Tome 203 (2012) no. 12, pp. 1817-1836 Cet article a éte moissonné depuis la source Math-Net.Ru

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Necessary and sufficient conditions for the exact null controllability of a degenerate linear evolution equation with scalar control are obtained. These general results are used to examine the exact null controllability of the Dzektser equation in the theory of seepage. Bibliography: 13 titles.
Keywords: degenerate evolution equation, exact controllability, family of exponentials, strongly minimal sequence. 
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V. E. Fedorov; B. Shklyar. Exact null controllability of degenerate evolution equations with scalar control. Sbornik. Mathematics, Tome 203 (2012) no. 12, pp. 1817-1836. http://geodesic.mathdoc.fr/item/SM_2012_203_12_a7/

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