Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options answers only not deleted user 28128
5 votes

Height function on 2-torus with only 3 critical points

The complexity of surface immersions in 3-space has been studied in a series of papers by Nowik and collaborators. See Nowik, Tahl. Higher-order invariants of immersions of surfaces into 3-space. …
Mikhail Katz's user avatar
  • 16.6k