General solutions to inverse transport problems

Abstract
A new approach is developed for solving time-independent inverse problems for particle or radiation transport described by the monoenergetic linear Boltzmann equation. For a homogeneous plane geometry medium, the approach leads to a set of inverse solutions which can be obtained by purely algebraic means; previously derived methods appear as special cases. All these solutions require only measurements of the angular intensities at the surface. The analysis is extended to time-dependent and energy-dependent problems.

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