Word.ws English Dictionary

comma category

comma category noun: a category built out of a pair of functors that have the same codomain.

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...

Forms of comma category

pluralcomma categories

Questions about comma category

What does comma category mean?
Comma category means a category built out of a pair of functors that have the same codomain.
What part of speech is comma category?
Comma category is a noun.
What is the plural of comma category?
The plural of comma category is comma categories.

Words near comma category in the dictionary

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

Source and license

Adapted from Wiktionary: 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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