Sheaf cohomology is a fundamental concept in algebraic geometry and topology that provides a way to study the properties of sheaves on topological spaces or schemes. It serves as a powerful tool for capturing global sections of sheaves and understanding their finer structures. ### Key Concepts 1.
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Sheaf cohomology consists of the right derived functors of global sections. The zeroth group is , and higher groups measure obstructions to gluing local sections.