微分庞加莱对偶模型的唯一性
Uniqueness of differential Poincaré duality models
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中文总结 AI 辅助
本文证明了Lambrechts--Stanley唯一性猜想的偶数维情形,结合奇数维结果,表明弱同伦等价的PDGA可拟同构到共同模型,方法为Hodge扩张的非退化商。
中文摘要 AI 辅助
我们证明了Lambrechts--Stanley关于1-连通微分庞加莱对偶模型的“唯一性”猜想中剩余的偶数维情形。结合我们之前关于奇数维的结果,这表明任意两个作为PDGA弱同伦等价的此类代数,都允许直接的PDGA拟同构映射到某个共同的连通微分庞加莱对偶代数中。我们使用了之前的方法,即将微分庞加莱对偶模型作为Hodge扩张的非退化商来获得,新的要素是中间维度的Hodge扩张。
英文摘要
We prove the remaining even-dimensional case of the Lambrechts--Stanley "uniqueness" conjecture for 1-connected differential Poincaré duality models. Together with our previous odd-dimensional result, this shows that any two such algebras weakly homotopy equivalent as PDGAs admit direct PDGA quasi-isomorphisms into a common connected differential Poincaré duality algebra. We use our previous method of obtaining differential Poincaré duality models as nondegenerate quotients of Hodge extensions, the new ingredient being a Hodge extension in the middle degree.
发表机构
- University of Hamburg(汉堡大学)
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