Geodesic
Global solvability of the one-dimensional inverse problem for the integro-differential equation of acoustics
Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 11 (2018) no. 6, pp. 753-763

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The hyperbolic integro–differential acoustic equation is considered. Direct problem is to find the acoustic pressure from the initial - boundary value problem for this equation with point source located on the boundary of the space domain. The inverse problem is studied. It consists in determining the one-dimensional kernel of the integral term using the solution of the direct problem at $ x = 0$, $ t > 0 $. Inverse problem is reduced to the system of integral equations for unknown functions. The principle of contraction mappings is applied to this system in the space of continuous functions with weighted norms. The global unique solvability of the inverse problem is proved.
Keywords: integrodifferential equation, inverse problem, Dirac delta function, weight function.
Mots-clés : kernel 
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     author = {Jurabek Sh. Safarov},
     title = {Global solvability of the one-dimensional inverse problem for the integro-differential equation of acoustics},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {753--763},
     publisher = {mathdoc},
     volume = {11},
     number = {6},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2018_11_6_a10/}
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Jurabek Sh. Safarov. Global solvability of the one-dimensional inverse problem for the integro-differential equation of acoustics. Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 11 (2018) no. 6, pp. 753-763. http://geodesic.mathdoc.fr/item/JSFU_2018_11_6_a10/