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 13972
7 votes
Accepted

How many Lagrangian submanifolds?

The answer to the first question is 'no'. For example, if $M = S^2\times S^2$ is given the product symplectic structure, then there is no Lagrangian submanifold in the homology class of $S^2\times\{x …
Robert Bryant's user avatar
5 votes

How to find equations of a sub-Riemannian problem

There are a number of sources. If you are comfortable using differential forms, then one source that you may find useful is L. Hsu, Calculus of variations via the Griffiths formalism, J. Differential …
Robert Bryant's user avatar
4 votes

Neighborhood theorem for conical Lagrangian

The answer is 'no', even in the simplest nontrivial case $n=2$, if you assume that the symplectomorphism is to take $C$ to $C'$. (If you don't assume that the symplectomorphism is supposed to take $C …
Robert Bryant's user avatar