Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4623420 | Journal of Mathematical Analysis and Applications | 2006 | 14 Pages |
Abstract
For complex valued sequences of the form ωn=an+ibn with an∈R and bn⩾0, we prove inequalities of the form , for all sequences {xn} with . We apply these to prove exact null-controllability for a class of hinged beam equations with mild internal damping with either boundary control or internal control.
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