Formulas
- Integrating factor
- Integration by parts operator
- Integro-differential equation
- Integrodifference equation
- Interchange of limiting operations
- Interior product
- Interleave sequence
- Internal bialgebroid
- Internal category
- International Mathematical Union
- Interpolation
- Interpretation (logic)
- Intersection
- Intersection form of a 4-manifold
- Intersection homology