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math.AP2014
Determination of the Spacetime from Local Time Measurements
Matti Lassas, Lauri Oksanen, Yang Yang
We consider an inverse problem for a Lorentzian spacetime , and show that time measurements, that is, the knowledge of the Lorentzian time separation function on a submanifo…
math.AP2014★ 3 cited
Inverse problem for Einstein-scalar field equations
Yaroslav Kurylev, Matti Lassas, Lauri Oksanen +1
The paper introduces a method to solve inverse problems for hyperbolic systems where the leading order terms are non-linear. We apply the method to the coupled Einstein-scalar fiel…