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1. On the Light Ray Transform of Wave Equation Solutions.

Author

Vasy, András and Wang, Yiran

Subjects
*SPACETIME, *PHYSICAL cosmology
Abstract

We study the light ray transform on Minkowski space-time and its small metric perturbations acting on scalar functions which are solutions to wave equations. We show that the light ray transform uniquely determines the function in a stable way. The problem is of particular interest because of its connection to inverse problems of the Sachs–Wolfe effect in cosmology. [ABSTRACT FROM AUTHOR]

Published
2021
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