A hypercohomology spectral sequence is a mathematical tool that arises in the study of sheaves on topological spaces, providing a systematic way to compute derived functors like hypercohomology. It is constructed from a double complex associated with a sheaf or a cosheaf and allows one to calculate cohomology groups step by step, through successive approximations. This sequence captures deep relationships between topology, algebra, and geometry, enabling powerful computations in many branches of mathematics.
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