- infinite cardinal number
- infinite codimension
- infinite commutative group
- infinite continued fraction
- infinite countable sets
- infinite cyclic group
- infinite decimal
- infinite determinacy of map-germs
- infinite differentiability of analytic function
- infinite dimensional control system
- infinite dimensional dynamical system
- infinite dimensional Lie algebra
- infinite dimensional linear control system
- infinite dimensional linear space
- infinite-dimensional linear space
- infinite-dimensional linear space
- infinite-dimensional manifold
- infinite dimensional multiobjective programming problem
- infinite dimensional representation of Lie algebra
- infinite distributivity
- infinite extension (field)
- infinite graph
- infinite group
- infinite group theory
- infinite injury priority method