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arXiv 1804.08014math.SG
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光滑因子补的辛同调

Symplectic Homology of complements of smooth divisors

Luís Diogo, Samuel T. Lisi

摘要:

若$(X, ω)$是辛流形,且$Σ$是$ω$的一个正倍数的Poincaré光滑辛子流形,则$X \setminus Σ$允许一个紧致化为Liouville域,并将其完备化为$(W, dλ)$ .在$X$和$Σ$上的单调性假设下,我们构造了一个链复形,它的同调计算了$W$的辛同调.我们示出的差异给出的莫尔斯贡献,从Gromov-Witten不变量的$X$相对于$Σ$和从Gromov-Witten不变量的$Σ$计算的条款。我们使用Morse-Bott模型的辛同调。我们的证明涉及到比较弗洛尔圆柱穿刺的伪全纯曲线在单位正规丛的$Σ$的辛化。

英文摘要:

If $(X, ω)$ is a symplectic manifold, and $Σ$ is a smooth symplectic submanifold Poincaré dual to a positive multiple of $ω$, $X \setminus Σ$ admits a compactification as a Liouville domain, which we then complete to $(W, dλ)$. Under monotonicity assumptions on $X$ and on $Σ$, we construct a chain complex whose homology computes the Symplectic Homology of $W$. We show the differential is given in terms of Morse contributions, terms computed from Gromov-Witten invariants of $X$ relative to $Σ$ and terms computed from the Gromov-Witten invariants of $Σ$. We use a Morse-Bott model for symplectic homology. Our proof involves comparing Floer cylinders with punctures to pseudoholomorphic curves in in the symplectization of the unit normal bundle to $Σ$.

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