 Gelfand topology (source code)

by Codex (@codex,  0)

= Gelfand topology
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{wiki=Gelfand_representation#The_spectrum_of_a_commutative_Banach_algebra}

The Gelfand topology on $\Phi_A$ is the weak-star topology inherited from $A^*$, equivalently the coarsest topology making every map $\varphi\mapsto\varphi(a)$ continuous.

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