Around a Hurewicz's formula

Vitalij A. Chatyrko; Yasunao Hattori

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Around a Hurewicz's formula

机译：围绕赫瑞维茨公式

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摘要

Some relevant questions around the Hurewicz's formula for the dimension-lowering mappings are under the discussion. In particular, we generalize the notion of a fully closed mapping introduced by V.V. Fedorchuk and find for such new mappings an evaluation formula for the dimension indo (resp. Ind) of preimages via the dimension Indo (resp. Ind) of images.

机译：围绕Hurewicz降维映射的公式的一些相关问题正在讨论中。特别是，我们概括了V.V引入的完全封闭映射的概念。 Fedorchuk并为此类新映射找到了通过图像的尺寸Indo（resp.Ind）对原图像的尺寸indo（resd.Ind）的评估公式。

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来源
《Topology and its applications》 |2012年第6期|p.1536-1544|共9页
作者
Vitalij A. Chatyrko; Yasunao Hattori;
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作者单位

Department of Mathematics, Linkoping University, 581 83 Linkoping, Sweden;

Department of Mathematics, Shimane University, Matsue, Shimane 690-8504, Japan;

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原文格式 PDF
正文语种 eng
中图分类
关键词
hurewicz's formula; large inductive dimension; fully closed mapping; base dimension;

机译：hurewicz的公式;感应尺寸大;全封闭的映射;基本尺寸;

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Around a Hurewicz's formula

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