Monthly Archives: April 2013

Rational SFT using only q variables III

Let be a nondegenerate closed contact manifold of dimension . In the previous two posts, I defined (modulo the usual transversality issues) a modified version of rational SFT, which we are temporarily denoting by . I now want to define … Continue reading

Posted in Uncategorized | 7 Comments

Rational SFT using only q variables II

In the previous post, I outlined how to define a modified version of rational SFT using only q variables. To continue the discussion, I now want to explain how to define cobordism maps and a U map on this version … Continue reading

Posted in Uncategorized | Leave a comment

Rational SFT using only q variables

I have talked a lot about ECH capacities in this blog and elsewhere. These give obstructions to symplectically embedding one symplectic four-manifold with boundary into another. This obstruction is sharp for embedding one ellipsoid into another, as shown by McDuff. … Continue reading

Posted in Uncategorized | 5 Comments