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  • Author: Alina Barbulescu x
  • General Mathematics x
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Something About h - Measures of Sets in Plane

Abstract

In this article we estimate the Hausdorff h-measures of the graphs of some functions, for different measure functions.

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Attachment observability of a rotating body-beam

Abstract

In this article we analyze the admissibility and the exact observability of a body-beam system when the output is taken in a point of attachment from the beam to the body. The single output case chosen here is the practical measurement of the strength, its velocity or its moment. We prove the exact observability for the moment and the admissibility for the other cases. These results are obtained by the spectral properties of rotating body beam system operator and Ingham's inequalities.

Open access