Bulletin of the Korean Mathematical Society (대한수학회보)

Korean Mathematical Society (대한수학회)
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Exponential rank of extensions of $C^*$-algebras

  • Jeong, Ja-A (Department of Mathematics, Kyung Hee University, Seoul 130-701) ;
  • Park, Gie-Hyun (Department of Mathematics, Hanshin University, Osan 447-791)
  • Published : 1997.08.01
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Abstract

We show that if I is an ideal of a $C^*$-algebra A such that the unitary group of I is connected then cer(A) $\leq$ cer(I) + cer(A/I), where cer(A) denotes the $C^*$-exponential rank of A.

Keywords

References

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