Abstract
This paper is concerned with an inverse point wavesourcesproblem in a bounded domain Ω⊂ℝ3 from boundaryobservations. Assuming that all point sources vanish after a certaintime T1, we prove first an identifiability result provided thatsome condition is satisfied between the time T1, the observationinterval (0,T) and the observation domain on the boundary. This conditionis reduced to the inequality T>T1 + diam(Ω) when theobservation domain is the whole boundary of Ω. In this case,we propose a method to identify completely the sources:their number, locations and intensities.
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