Massey products are advanced operations in algebraic topology that generalize the cup product and provide a way to compute cohomology groups in a more complex setting. They arise from the intersection of multiple cohomology classes and allow for the study of higher order interactions among these classes, which can reveal deeper structural information about spaces. Massey products connect closely with various algebraic structures, including the cup product and spectral sequences, helping to explore intricate relationships in cohomology theory.
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