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The Gelfand–Naimark–Segal (GNS) construction is a fundamental technique in functional analysis and mathematical physics, particularly in the field of operator algebras and quantum mechanics. It provides a way to construct a representation of a *-algebra from a positive linear functional defined on that algebra.

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  1. Functional analysis
  2. Fields of mathematical analysis
  3. Mathematical analysis
  4. Fields of mathematics
  5. Mathematics
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