Skip to main content
1 of 5
Ali Taghavi
  • 356
  • 8
  • 31
  • 123

$C^*$ algebras which admit bounded outer derivation but $1$ can not be in the range of any bounded derivation

What is an example of a $C^*$ algebra $A$ which admits bounded outer derivation but $1$ can not be in the range of any bounded derivation $D:A\to A$?

Ali Taghavi
  • 356
  • 8
  • 31
  • 123