Holmgren-John Unique Continuation Theorem for Viscoelastic Systems

Maarten V. de Hoop (), Ching-Lung Lin () and Gen Nakamura ()
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Maarten V. de Hoop: Rice University, Departments of Computational and Applied Mathematics and Earth, Environmental and Planetary Sciences
Ching-Lung Lin: National Cheng Kung University, Department of Mathematics
Gen Nakamura: Hokkaido University, Department of Mathematics

A chapter in Time-dependent Problems in Imaging and Parameter Identification, 2021, pp 287-301 from Springer

Abstract: Abstract We consider Holmgren-John’s uniqueness theorem for a partial differential equation with a memory term when the coefficients of the equation are analytic. This is a special case of the general unique continuation property (UCP) for the equation if its coefficients are analytic. As in the case in the absence of a memory term, the Cauchy-Kowalevski theorem is the key to prove this. The UCP is an important tool in the analysis of related inverse problems. A typical partial differential equation with memory term is the equation describing viscoelastic behavior. Here, we prove the UCP for the viscoelastic equation when the relaxation tensor is analytic and allowed to be fully anisotropic.

Date: 2021
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DOI: 10.1007/978-3-030-57784-1_10

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