KnowraInvariance of domainLinked fromLinked fromThe 3 pages that link to Invariance of domain, each with the reason it gives.All 3Related 1Compared with 2Jordan curve theoremRelated: It supplies a powerful general tool for proving local properties of planar embeddings.Differential topologyCompared with: It provides a topological constraint on maps without requiring the smoothness central to this field.Borsuk–Ulam theoremCompared with: Both constrain continuous maps by dimension, but only Borsuk–Ulam forces a collision.