An inverse problem for a transport equation and integral geometry

1990 ◽  
pp. 221-231 ◽  
Author(s):  
Frank Natterer
Keyword(s):  
Inverse Problem ◽  
Transport Equation ◽  
Integral Geometry

An inversion formula for the transport equation in ℝ3 using complex analysis in several variables

2019 ◽  
Vol 27 (3) ◽  
pp. 341-352
Author(s):  
Seyed Majid Saberi Fathi
Keyword(s):  
Inverse Problem ◽  
Transport Equation ◽  
Inversion Formula ◽  
Complex Analysis ◽  
Three Dimensional ◽  
Analytical Continuation ◽  
Radon Transforms ◽  
Photon Transport ◽  
X Ray ◽  
Several Variables

Abstract In this paper, the stationary photon transport equation has been extended by analytical continuation from {\mathbb{R}^{3}} to {\mathbb{C}^{3}} . A solution to the inverse problem posed by this equation is obtained on a hyper-sphere and a hyper-cylinder as X-ray and Radon transforms, respectively. We show that these results can be transformed into each other, and they agree with known results. Numerical reconstructions of a three-dimensional Shepp–Logan head phantom using the obtained inverse formula illustrate the analytical results obtained in this manuscript.

scholarly journals Inverse problem for transport equation of ultra-high energy cosmic rays

2013 ◽  
Vol 409 ◽  
pp. 012065
Author(s):  
V S Ptuskin ◽  
S I Rogovaya ◽  
V N Zirakashvili ◽  
E G Klepach
Keyword(s):  
Inverse Problem ◽  
Cosmic Rays ◽  
Transport Equation ◽  
High Energy ◽  
Ultra High Energy ◽  
High Energy Cosmic Rays
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