Trance-0/NoteNextra-origin
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

updates

Browse Source
This commit is contained in:
Trance-0
2026-01-12 14:43:48 -06:00
parent 8fac001bd3
commit 1485c44454
3 changed files with 147 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
content/Math4202/Math4202_L1.md
View File

@@ -14,4 +14,4 @@ Classifying two dimensional surfaces.
## Quotient spaces
Let $X$ be a topological space and $f:X\to Y$ is a continuous, surjective map. WIth the property that $U\subset Y$ is open if and only if $f^{-1}(U)$ is open in $X$, we say $f$ is a quotient map and $Y$ is a quotient space.
Let $X$ be a topological space and $f:X\to Y$ is a continuous, surjective map. WIth the property that $U\subset Y$ is open if and only if $f^{-1}(U)$ is open in $X$, we say $f$ is a quotient map and $Y$ is a quotient space.