In algebraic geometry and topology, a **sheaf of spectra** is typically a construction involving the **spectrum** of a commutative ring or a more general algebraic structure. To understand this concept, we first need to clarify some terms: 1. **Spectrum of a ring**: The spectrum of a commutative ring \( R \), denoted as \( \text{Spec}(R) \), is the set of prime ideals of \( R \).
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