Abstract
We consider the inverse problem for time-dependent semilinear transport equations. We show that time-independent coefficients of both the linear (absorption or scattering coefficients) and nonlinear terms can be uniquely determined, in a stable way, from the boundary measurements, by applying a linearization scheme and Carleman estimates for the linear transport equations. We establish results in both Euclidean and general geometry settings.
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Ru-Yu Lai is partially supported by the National Science Foundation through grant DMS-2006731 and DMS-2306221. Gunther Uhlmann is partly supported by NSF, a Simons Fellowship, a Walker Family Professorship at UW, and a Si Yuan Professorship at IAS, HKUST. Hanming Zhou is partly supported by the NSF grant DMS-2109116.
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Communicated by T.-P. Liu.
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Lai, RY., Uhlmann, G. & Zhou, H. Recovery of Coefficients in Semilinear Transport Equations. Arch Rational Mech Anal 248, 62 (2024). https://doi.org/10.1007/s00205-024-02007-6
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DOI: https://doi.org/10.1007/s00205-024-02007-6