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comma categories

comma categories is the plural of comma category.

Meaning of comma category

Noun

comma category (plural comma categories)

  1. A category built out of a pair of functors that have the same codomain.
    • Given a pair of functors S:𝒜→𝒞 and T:ℬ→𝒞, objects of the comma category S↓T are arrows h:S(A)→T(B) parametrized by triples (A, B, h), and given morphisms f:A→A' and g:B→B', then a morphism of the said comma category is a commuting square parametrized by the pair (f, g) and spanning the area from h...

Questions about comma categories

What is comma categories the plural of?
Comma categories is the plural of comma category.

Words near comma categories in the dictionary

  1. comma
  2. comma bacilli
  3. comma bacillus
  4. comma butterflies
  5. comma butterfly
  6. comma categories
  7. comma category
  8. Comma Johanneum
  9. comma lichen
  10. comma of Didymus
  11. comma queen

Source and license

Adapted from Wiktionary: comma categories (page history and authors); comma category (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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