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Sarah Ismail

affiliation not provided to SSRN

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Boundary controllability for degenerate wave equations driven by a fully time-dependent propagation speed

Number of pages: 36 Posted: 11 Mar 2026
Mohammad Akil, Genni Fragnelli and Sarah Ismail
affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN
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Abstract:

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Null-controllability, Degenerate hyperbolic equations, Non-autonomous equations, Boundary observability, Energy estimates, Solution by transposition, Operators in non-divergence form, Dirichlet boundary conditions, Robin boundary conditions