On wave operators on the singular spectrum
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- Kapustin, V.V. J Math Sci (2011) 172: 207. doi:10.1007/s10958-010-0193-6
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The problem of existence of a wave operator is considered in the general case where the spectral measures of the unitary operators are not assumed to be absolutely continuous. The case of commutators of rank at most two is studied in more detail. Bibliography: 6 titles.