In algebraic topology, through an algebraic operation (dualization), there is an associated commutative algebra from the noncommutative Steenrod algebras called the dual Steenrod algebra. This dual algebra has a number of surprising benefits, such as being commutative and provided technical tools for computing the Adams spectral sequence in many cases (such as π ∗ ( M U ) {\displaystyle \pi _{*}(MU)} ) with much ease.
In algebraic topology, through an algebraic operation (dualization), there is an associated commutative algebra from the noncommutative Steenrod algebras called the dual Steenrod algebra. This dual algebra has a number of surprising benefits, such as being commutative and provided technical tools for computing the Adams spectral sequence in many cases (such as π ∗ ( M U ) {\displaystyle \pi _{*}(MU)} ) with much ease.
Source: Wikipedia "Dual Steenrod algebra" · CC BY-SA 4.0
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