Abstract
We study functions that describe scattering through inner channels of a system (defect functions) and the corresponding contraction operators.
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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 49, No. 4, pp. 481–489, April, 1997.
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Boiko, S.S., Dubovoi, V.K., Kirstein, B. et al. Contraction operators, defect functions, and scattering theory. Ukr Math J 49, 529–538 (1997). https://doi.org/10.1007/BF02487315
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DOI: https://doi.org/10.1007/BF02487315