An inverse boundary value problem for the stationary transport equation

An inverse boundary value problem for the stationary transport equation
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平稳输运方程的反边值问题

DOI:
10.18910/3941
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发表时间:
1999
影响因子:
0.4
通讯作者:
P. Stefanov
P. Stefanov
中科院分区:
数学4区
文献类型:
--
作者:
M. Choulli;P. Stefanov

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NiΛ\-υ‘Vχf{x,v)-σa(x,v)f{x,v)+ίk(x,υf,v)f(x,v’)f(x,v‘)dv’=0 i n L xF,U-U\jv{/|r_=/这里/_是Γ_上的给定函数。我们假设(σα,A;)对A.E.是可容许的,即(I)0<σa G L°(I X F),(Ii)0<k(x,υ‘,-)G L(V)。(χ,υ‘)G X x V和σp(x,υ’):=/v JFeίa:,!;‘,^)^属于L°(X X F)。如果直接问题(1.1)是可解的,则可以定义下列反照率算子
niΛ \-υ'Vχf{x,v)-σa(x,v)f{x,v)+ ί k(x,υ f ,v)f(x,v')dv' =0 i n l x F , U -U \ Jv { /|r_=/Here /_ is a given function on Γ_. We assume that the pair (σα,A;) is admissible, i.e. (i) 0<σa G L ° ° ( I x F ) , (ii) 0 < k(x,υ',-) G L(V) for a.e. (χ,υ') G X x V and σp(x,υ') := / v jfeίa:,!;',^)^ belongs to L°°(X x F). If the direct problem (1.1) is solvable, one can define the following albedo operator