In functional analysis, a branch of mathematics, a bounding point of a subset of vector space is a conceptual extension of the boundary of the set.
Let for some vector space . Then is a bounding point for if it is neither an internal point for nor its complement.
- ^ Henry Hermes; Joseph P. La Salle (1969). Functional Analysis & Time Optimal Control. Academic Press. p. 8. ISBN 9780123426505.