On perturbation of a surjective convolution operator

On perturbation of a surjective convolution operator
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关于满射卷积算子的扰动

DOI:
10.13108/2016-8-4-123
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发表时间:
2016
期刊:
影响因子:
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通讯作者:
I. Musin
I. Musin
中科院分区:
--
文献类型:
--
作者:
I. Musin

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设$\mu \in {\cal E}'({\mathbb R}^n)$是一个紧支集分布,使得它的支集是一个内部非空的凸集.设X2是R ^n中的凸域,X1 = X2 + supp \ \mu.假设卷积算子$A:{\cal E}(X_1)\to {\cal E}(X_2)$按规则$(Af)(x)=(\mu * f)(x)$作用是满射的,我们给出线性连续算子$B:{\cal E}(X_1)\to {\cal E}(X_2)$的一个条件,保证算子$A+B$是满射的。
Let $\mu \in {\cal E}'({\mathbb R}^n)$ be a compactly supported distribution such that its support is a convex set with non-empty interior. Let $X_2$ be a convex domain in ${\mathbb R}^n$, $X_1 = X_2 + supp \ \mu $. Assuming that a convolution operator $A: {\cal E}(X_1) \to {\cal E}(X_2)$ acting by the rule $(Af)(x) = (\mu * f)(x)$ is surjective we provide a condition on a linear continuous operator $B: {\cal E}(X_1) \to {\cal E}(X_2)$ that guarantees surjectivity of the operator $A+B$.