Null Controllability for Degenerate Parabolic Operators
Null Controllability for Degenerate Parabolic Operators
Null Controllability for Degenerate Parabolic Operators
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concluding remarks• <strong>for</strong> n = 1 null controllability yields strong Feller property oftransition semigroup associated to SPDEdu(t) = (au x (t)) x dt + χ ω dW (t)needed to study invariant measures• application to inverse problemsu t − ( x α u x)x = r(t, x)f (x) |r(t 0, ·)| > 0f (·)←−Tu(t 0 , ·)u x (·, 1)ref0 1C & Tort & Yamamoto (in progress)