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Keywords: Pais–Uhlenbeck equation
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Journal Articles
Article Type: Research Papers
J. Vib. Acoust. June 2023, 145(3): 031008.
Paper No: VIB-22-1313
Published Online: February 28, 2023
... ˙ ( t ) + H L H − 1 f ( t ) This is essentially a PaisUhlenbeck equation [ 24 ] (well known in quantum gravity physics [ 25 – 29 ]) with N degrees-of-freedom, damping, and external forcing. It has been observed [ 23 ] that this fourth-order system is mathematically...