Category:Open Mappings
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This category contains results about Open Mappings.
Let $\struct {S_1, \tau_1}$ and $\struct {S_2, \tau_2}$ be topological spaces.
Let $f: S_1 \to S_2$ be a mapping.
Then $f$ is said to be an open mapping if and only if:
- $\forall U \in \tau_1: f \sqbrk U \in \tau_2$
where $f \sqbrk U$ denotes the image of $U$ under $f$.
Subcategories
This category has only the following subcategory.
Pages in category "Open Mappings"
The following 23 pages are in this category, out of 23 total.