scientific article; zbMATH DE number 4127902

zbMath0688.46017MaRDI QIDQ4207246

Zhonghai Ding, De-Xing Feng

Publication date: 1989

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zbMATH Keywords

exact controllabilityHUM methodbounded control systemfunction space relative to boundary observationPetrovsky equation on a bounded domain

Mathematics Subject Classification ID

Variational inequalities (49J40) Spaces of measurable functions ((L^p)-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.) (46E30) Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35)

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