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Spectrum of a ring

In mathematics, and more specifically in commutative algebra and algebraic geometry, the prime spectrum (or simply the spectrum) of a commutative ring R {\displaystyle R} is the set of all prime ideals of R , {\displaystyle R,} equipped with a topology called the Zariski topology. The spectrum of a commutative ring is naturally endowed with a sheaf of…

History, Historical motivation & Affine schemes