# Pullback -- pullback in the category of rings

## Description

*Pullback* is a package that implements pullback for diagrams of rings

## Caveat

Works only for maps of rings finitely generated over a base field and one of the two maps is surjective

## Authors

Drew Ellingson

Karl Schwede

## Version

This documentation describes version **1.03** of Pullback.
## Source code

The source code from which this documentation is derived is in the file

Pullback.m2.