Exactness of reduced amalgamated free product C* -algebras Academic Article uri icon


  • Some completely positive maps on reduced amalgamated free products of C*-algebras are constructed, showing that every reduced amalgamated free product of exact C*-algebras is exact. Consequently, every amalgamated free product of exact discrete groups is exact.

published proceedings

  • Forum Mathematicum

author list (cited authors)

  • Dykema, K. J.

citation count

  • 15

complete list of authors

  • Dykema, Kenneth J

publication date

  • January 2004