• Corpus ID: 239016522

The Calder\'{o}n problem for nonlocal operators

@inproceedings{Ghosh2021TheCP,
  title={The Calder\'\{o\}n problem for nonlocal operators},
  author={Tuhin Ghosh and Gunther Uhlmann},
  year={2021}
}
We study the inverse problem of determining the coefficients of the fractional power of a general second order elliptic operator given in the exterior of an open subset of the Euclidean space. We show the problem can be reduced into determining the coefficients from the boundary Cauchy data of the elliptic operator on the open set, the Calder\'{o}n problem. As a corollary we establish several new results for nonlocal inverse problems by using the corresponding results for the local inverse… 
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An inverse problem for the fractional porous medium equation
  • Li Li
  • Mathematics
  • 2021
We consider a time-independent variable coefficients fractional porous medium equation and formulate an associated inverse problem. We determine both the conductivity and the absorption coefficient