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    • The index for Fredholm elements in a Banach algebra via a trace II 

      Grobler, Jacobus J.; Raubenheimer, Heinrich; Swartz, Andre (Springer, 2016)
      We show that the index defined via a trace for Fredholm elements in a Banach algebra has the property that an index zero Fredholm element can be decomposed as the sum of an invertible element and an element in the socle. ...