cap product

Questions

What does cap product mean?

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.

Where does cap product come from?

A reference to the symbol used, ∩, in this context called "cap"; compare cup product.

How to pronounce cap product

1. Open the pronunciation page — Open the Speakur entry for “cap product”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “cap product”.
4. Repeat and practice — Say “cap product” aloud, matching stress and vowels until it feels natural.