| Answer | Crossword Clue |
|---|---|
| invariants | A function, quantity, or property that remains unchanged when a specified transformation is applied |
| involution | A function, transformation, or operator that is equal to its inverse, i.e., which gives the identity when applied to itself |
| involutions | A function, transformation, or operator that is equal to its inverse, i.e., which gives the identity when applied to itself |
