Math encyclopedias frustrate me.
Kernel is explained succinctly. Cokernel is explained via an explosive mass of category theory. I'm sure it's very nice category theory. But I just want a cokernel.
@kimreece Target space modulo the image should suffice then. The CT is only needed to justify the co-…
@amiloradovsky Thank you; that's actually usable.
A Mastodon instance for maths people. The kind of people who make \(\pi z^2 \times a\) jokes.
Use \( and \) for inline LaTeX, and \[ and \] for display mode.