The commutators of many operators which are used in the phase space analysis of the N-body scattering are compact. This fact makes it possible to give a description of certain classes of such operators in terms of commutative C*-algebras inside the Calkin algebra.
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Univ Fed Rio de Janeiro, Inst Fis, CP 68528, BR-21941972 Rio De Janeiro, RJ, Brazil
Univ Oslo, Inst Theoret Astrophys, Postboks 1029, N-0315 Oslo, NorwayUniv Fed Rio de Janeiro, Inst Fis, CP 68528, BR-21941972 Rio De Janeiro, RJ, Brazil
dos Santos, Marcelo Vargas
Winther, Hans A.
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Univ Oxford, Astrophys, DWB, Keble Rd, Oxford OX1 3RH, EnglandUniv Fed Rio de Janeiro, Inst Fis, CP 68528, BR-21941972 Rio De Janeiro, RJ, Brazil
Winther, Hans A.
Mota, David F.
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Univ Oslo, Inst Theoret Astrophys, Postboks 1029, N-0315 Oslo, NorwayUniv Fed Rio de Janeiro, Inst Fis, CP 68528, BR-21941972 Rio De Janeiro, RJ, Brazil
Mota, David F.
Waga, Ioav
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Univ Fed Rio de Janeiro, Inst Fis, CP 68528, BR-21941972 Rio De Janeiro, RJ, BrazilUniv Fed Rio de Janeiro, Inst Fis, CP 68528, BR-21941972 Rio De Janeiro, RJ, Brazil