Vaino Shaumbwa

2 Questions 4 Answers 0 Followers

Questions related from Vaino Shaumbwa

What are the examples of categories which are not unital (in the sense of Bourn)?

A category is unital in the sense of Bourn if it has a zero object (is a pointed category), admits finite limits and for all objects X,Y the pair of maps (idX,0):X→X×Y and (0,idY):Y→X×Y is...

13 August 2016 4,938 1 View

Is there any example of a mathematical structure in which homomorphisms are surjective/regular?

I want to generalize this to categories so that I have normal subobjects (or kernels) preserved under images.

23 January 2016 3,492 11 View