In the inverse stationary transport problem through anisotropic attenuating, scattering, and refractive media, the albedo operator stably determines the gauge equivalent class of the attenuation and scattering coefficients.
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First published in Contemporary Mathematics in 2011, published by the American Mathematical Society.
McDowall, Stephen R.; Stefanov, Plamen; and Tamasan, Alexandru, "Stability of the Gauge Equivalent Classes in Inverse Stationary Transport in Refractive Media" (2011). Mathematics. Paper 31.