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Hamiltonian systems, symplectic flows, classical integrable systems
7
votes
0
answers
218
views
$T^*M$ is a Stein manifold: A clarification on the integral complex structure involved and i...
I'm interested in understanding better the properties of the integrable (almost) complex structure that Eliashberg constructs on the cotangent bundle of a closed manifold $M$, whose dimension is at le …
7
votes
1
answer
362
views
Strip breaking phenomenon in the Gromov compactification of Moduli space of Pseudoholomorphi...
As the title suggests, I want to understand the strip breaking phenomenon that happens when I Gromov-compactify the moduli space of pseudoholomorphic curves from the holomorphic strip $\Bbb R \times [ …
7
votes
0
answers
218
views
Moduli space of annuli with marked points satisfying some additional symmetries
Let us consider the space of configurations $\overline{\mathcal{M}}_{0,2,1,(1,1)}$ of an annulus with a marked point on the interior boundary component (let's call it "out") a marked point on the exte …
6
votes
0
answers
270
views
Is there an symplectic field theory compactness theorem applicable in the context of Floer c...
Is there any reference in the literature about results regarding symplectic field theory (SFT) compactness for a neck-stretch in the context of Floer homology of a symplectomorphism $\phi \colon (M,\o …
6
votes
1
answer
701
views
Bubbling off of a pseudo holomorphic sphere on surface with cylindrical ends
I need some clarification about the reason why we have a sphere bubbling off in the situation described by Seidel in The Symplectic Floer Homology of a Dehn Twist.
I’ll try to summarize to the best o …
6
votes
0
answers
166
views
Composition of coproduct and product in Lagrangian Floer (co)homology
Let's take a Riemann surface $\Sigma$ and three Lagrangians $L_0,L_1,L_2$ in general position. let's assume that we can set up Lagrangian Floer (co)homology - Here I'm being vague because I don't want …
6
votes
0
answers
204
views
Does this pseudo-holomorphic triangle contribute to the product $\mu_2$ in Lagrangian Floer ...
I'm computing the product map $$\mu_2 : CF(L_0,V)\otimes CF(V,L_1)\to CF(L_0,L_1)$$ in Seidel's exact triangle for this specific case:
This is a genus 2 surface, and I color-coded the three (Lagrangi …
6
votes
0
answers
151
views
Maslov index of pair of paths in $\mathcal{L}(2n)$ and its relation with the Maslov index of...
I'm reading [RS] and I was wondering what kind of connection there is between the Maslov index for a pair of paths $\lambda_0,\lambda_1 \colon [a,b] \to \mathcal{L}(2n)$ as defined in [RS] and the bou …
4
votes
0
answers
135
views
Choice of almost complex structure in Seidel's Symplectic Floer Homology of a Dehn twist
I'm looking for a clarification of a construction done in Seidel's Symplectic Floer Homology of a Dehn twist: I don't get why his choice of almost complex structure on $\Sigma$ is a valid one for writ …
4
votes
0
answers
88
views
A couple of questions about the moduli space of annuli with some marked points on the bounda...
I'm trying to work out an answer for my previous question and I'm stuck with the following issue:
In the paper Deformations of Bordered Riemann surfaces and associahedral polytopes by Devadoss, Heath …
4
votes
0
answers
358
views
Some clarifications on the PSS isomorphism in Hamiltonian Floer cohomology
I'm looking for some help in understanding the PSS isomorphism map in the context of Hamiltonian Floer cohomology and Morse cohomology with universal Novikov coefficients $\Lambda_{\omega}$ (à la Seid …
3
votes
0
answers
70
views
A clarification on why the injectivity radius is involved in Lemma 10.7 of Compactness resul...
I'm trying to understand why in the following lemma (Lemma 10.7 of [BEHWZ]), the upper bound on the $L^{\infty}$-norm of the differential is given in terms of the injective radius w.r.t to a specific …
3
votes
0
answers
194
views
Conley Zehnder index for Floer homology of a symplectomorphism
I'm trying to get some intuition for the Conley-Zehnder index in the setting of Floer homology of a symplectomorphism $\phi : (M,\omega) \to (M,\omega)$. Let's assume that $\phi$ only has non-degenera …
3
votes
0
answers
310
views
Bubbling off a sphere in a splitting/stretching manifold
This question is related to my old question Bubbling off of a pseudo holomorphic sphere on surface with cylindrical ends about the bubbling off argument in Seidel's paper The symplectic Floer homology …
2
votes
1
answer
244
views
Clarification on the ”neck stretching” applied to the base space of a Lefschetz fibration
I’m asking this question because I’d like to understand better the neck-stretching argument in symplectic geometry and what kind of conclusions one might get out of it in my setting.
Assume that I’ve …