GLOBAL NON-NEGATIVE APPROXIMATE CONTROLLABILITY OF PARABOLIC EQUATIONS WITH SINGULAR POTENTIALS
Résumé
In this work, we consider the linear 1 − d heat equation with some singular potential (typically the so-called inverse square potential). We investigate the global approximate controllability via a multiplicative (or bilinear) control. Provided that the singular potential is not super-critical, we prove that any non-zero and non-negative initial state in L 2 can be steered into any neighborhood of any non-negative target in L 2 using some static bilinear control in L ∞. Besides the corresponding solution remains non-negative at all times.
Domaines
Mathématiques [math]
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vancostenoble-springer-INDAM-series-revised-version-october2018.pdf (342.22 Ko)
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