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Ali Taghavi
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Unital $C^{*}$ algebras which all elements have path connected spectrum

A unital $C^{*}$ algebra is called "Path connected" if the spectrum of all its elements is a path connected subset of $\mathbb{C}$.

Is the tensor product of two path connected algebra, a path connected algebra?(For spatial norm).

What is an example of a simple path connected $C^{*}$ algebra? In particular does $C^{*}_{red} F_{2}$ satisfies this property?

Ali Taghavi
  • 356
  • 8
  • 31
  • 123