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arXiv 2007.14260math.DSmath.AP
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对“没有相空间的中心流形“的勘误

Corrigendum to "Center Manifolds without a Phase Space"

Gregory Faye, Arnd Scheel

摘要:

本文对[G]中构造中心流形时截断函数的选取进行了修正。Faye和A. Scheel,\textit{Trans. Amer. Math. Soc.},370(2018),pp. 5843- 5885]。其主要结果是通过卷积算子建立了非局部耦合的非线性函数方程组的中心流形。在构造中,我们需要修改非线性,使得它将指数增长函数的空间映射到自身,并具有小的Lipschitz常数。这里给出的截断函数适合于基于$L^\infty$的构造,但不足以用于$H^1$ -空间的选择。我们纠正这种选择,并证明逐点叠加非线性的效果。

英文摘要:

We correct the choice of cut-off function in our construction of center manifolds in [G. Faye and A. Scheel, \textit{Trans. Amer. Math. Soc.}, 370 (2018), pp. 5843--5885]. The main result there establishes center manifolds for systems of nonlinear functional equations posed on the real line with nonlocal coupling through convolution operators. In the construction, we need to modify the nonlinearity such that it maps spaces of exponentially growing functions into itself and possesses a small Lipschitz constant. The cut-off function presented there is suitable for $L^\infty$-based construction but insufficient for the choice of $H^1$-spaces. We correct this choice and demonstrate the effect on a pointwise superposition nonlinearity.

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