In algebraic topology the cap product is a method of adjoining a chain of degree p with a cochain of degree q, such that q ≤ p, to form a composite chain of degree p - q. It was introduced by Eduard Čech in 1936, and independently by Hassler Whitney in 1938.

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  • In algebraic topology the cap product is a method of adjoining a chain of degree p with a cochain of degree q, such that q ≤ p, to form a composite chain of degree p - q. It was introduced by Eduard Čech in 1936, and independently by Hassler Whitney in 1938.
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  • In algebraic topology the cap product is a method of adjoining a chain of degree p with a cochain of degree q, such that q ≤ p, to form a composite chain of degree p - q. It was introduced by Eduard Čech in 1936, and independently by Hassler Whitney in 1938.
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  • Cap product
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