Homeomorphism
Set
context | $\langle X,\mathcal{T}_X\rangle, \langle Y,\mathcal{T}_Y\rangle$ … topological spaces |
definiendum | $f\in$ it |
inclusion | $f$ … bijection, continuous |
postulate | $f^{-1}$ … continuous |
Discussion
A homeomorphism is a bijection which is continuous in both directions.
Reference
Wikipedia: Homeomorphism