| Display title | Leray's theorem |
| Default sort key | Leray's theorem |
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| Page ID | 233851 |
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| Page creator | imported>LinuxGuru |
| Date of page creation | 18:34, 6 February 2024 |
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Article description: (description)
This attribute controls the content of the description and og:description elements. | In algebraic topology and algebraic geometry, Leray's theorem (so named after Jean Leray) relates abstract sheaf cohomology with Čech cohomology.
Let $ {\mathcal {F}} $ be a sheaf on a topological space $ X $ and $ {\mathcal {U}} $ an open cover of $ X. $ If $ {\mathcal {F}} $ is acyclic on every... |
