Definition:Global Section

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Definition

Let $X$ be a topological space.

Let $\FF$ be a sheaf of sets on $X$.

A global section of $\FF$ is an element of $\map \Gamma {X, \FF} := \map \FF X$.

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Also see

• Definition:Global Sections Functor on Topological Space
• Definition:Sheaf Cohomology

Sources

• This article incorporates material from Sheaf Cohomology on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike License.