UNBOUNDED DERIVATIONS OF COMMUTATIVE CSTAR-ALGEBRAS
It is shown that an unbounded *-derivation δ of a unital commutative C*-algebra A is quasi well-behaved if and only if there is a dense open subset U of the spectrum of A such that, for any f in the domain of δ, δ(f) vanishes at any point of U where f attains its norm. An example is given to show th...
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| Formatua: | Journal article |
| Hizkuntza: | English |
| Argitaratua: |
Springer-Verlag
1978
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