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Everything about Diagonal functor

In category theory, a branch of mathematics, the diagonal functor is given by, which maps objects as well as morphisms. This functor can be employed to give a succinct alternate description of the product of objects within the category : a product is a universal arrow from to. The arrow comprises the projection maps. Wikipedia →

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  1. Read the overview: Diagonal functorA 5-minute orientation
  2. Read the landmark paper: When is the Diagonal Functor Frobenius?Cited 1 times
  3. Go sideways: Comma categoryA closely related topic
  4. Go sideways: Limit (category theory)A closely related topic

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