Degenerate hyperbolic equations are approximated by uniformly hyperbolic ones to prove controllability in higher dimensions for the first time.
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2 Pith papers cite this work. Polarity classification is still indexing.
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Pith papers citing it
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2026 2verdicts
UNVERDICTED 2representative citing papers
Establishes L2 boundary trace regularity and large-time observability with interior remainder for boundary-degenerate hyperbolic equations with α<1, plus a logarithmic-loss obstruction at the critical value α=1.
citing papers explorer
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Approximation of Degenerate Hyperbolic Equations with Interior Degeneracy and Applications to Controllability
Degenerate hyperbolic equations are approximated by uniformly hyperbolic ones to prove controllability in higher dimensions for the first time.
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Hidden Boundary Trace Regularity and an Observability Estimate with Interior Remainder for Boundary-Degenerate Hyperbolic Equations
Establishes L2 boundary trace regularity and large-time observability with interior remainder for boundary-degenerate hyperbolic equations with α<1, plus a logarithmic-loss obstruction at the critical value α=1.