For additional common operations and a comprehensive list of all routines in Macaulay2 which return or use ring maps, see RingMap.

- substitute -- substituting values for variables
- working with multiple rings

- basic construction, source and target of a ring map
- evaluation and composition of ring maps
- kernel and image of a ring map
- graphIdeal, see graphIdeal(RingMap) -- the ideal of the graph of the regular map corresponding to a ring map
- graphRing, see graphRing(RingMap) -- the coordinate ring of the graph of the regular map corresponding to a ring map