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Monthly Archives: September 2013
An obstruction to cylindrical contact homology?
Last week I was at a very nice conference at IMPA, and one of the topics of informal discussion was to what extent cylindrical contact homology can be defined, in the absence of contractible Reeb orbits, but without using polyfolds. … Continue reading
Posted in Contact homology, Open questions
7 Comments
A magic trick for defining obstruction bundles
Today I want to tell you about a magic trick for proving transversality and/or defining obstruction bundles in certain four-dimensional situations where the usual approach doesn’t work. This is helpful for defining cobordism maps between various kinds of contact homology … Continue reading
Posted in Contact homology, ECH
5 Comments