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An infinite-dimensional version of Gowers’ 𝐹𝐼𝑁_{±𝑘} theorem
Proceedings of the American Mathematical Society ( IF 0.8 ) Pub Date : 2020-07-20 , DOI: 10.1090/proc/15107
Jamal K. Kawach

Abstract:We prove an infinite-dimensional version of an approximate Ramsey theorem of Gowers, initially used to show that every Lipschitz function on the unit sphere of $ c_0$ is oscillation stable. To do so, we use the theory of ultra-Ramsey spaces developed by Todorcevic in order to obtain an Ellentuck-type theorem for the space of all infinite block sequences in $ \mathrm {FIN}_{\pm k}$.


中文翻译:

Gowers𝐹𝐼𝑁_{±𝑘}定理的无穷大形式

摘要:我们证明了高尔斯(Gowers)近似Ramsey定理的无穷大形式,最初用来证明单位球面上的每个Lipschitz函数$ c_0 $都是振荡稳定的。为此,我们使用Todorcevic开发的超拉姆西空间理论来获得Elentuck型定理,以解决无限块序列的空间。 $ \ mathrm {FIN} _ {\ pm k} $
更新日期:2020-09-01
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