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21 |
On the lack of controllability of fractional in time ODE and PDE Enthalten in Mathematics of control, signals, and systems Bd. 28, 12.3.2016, Nr. 2, date:6.2016: 1-21
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22 |
Optimal Observation of the One-dimensional Wave Equation Enthalten in The journal of Fourier analysis and applications Bd. 19, 16.3.2013, Nr. 3, date:6.2013: 514-544
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23 |
Sharp Observability Estimates for Heat Equations Enthalten in Archive for rational mechanics and analysis Bd. 202, 29.7.2011, Nr. 3, date:12.2011: 975-1017
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24 |
Spectral shape optimization for the Neumann traces of the Dirichlet-Laplacian eigenfunctions Enthalten in Calculus of variations and partial differential equations Bd. 58, 20.3.2019, Nr. 2, date:4.2019: 1-45
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25 |
Transmutation techniques and observability for time-discrete approximation schemes of conservative systems Enthalten in Numerische Mathematik Bd. 130, 1.11.2014, Nr. 3, date:7.2015: 425-466
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