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島根大学総合理工学部紀要.シリーズB

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島根大学総合理工学部紀要. シリーズB Volume 34
published_at 2001-03

The Category MAP

Buhagiar David
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c0020034r001.pdf ( 196 KB )
Descriptions
In this paper we introduce a new category MAP of continuous maps and their morphisms as an extension of both the category TOPY (of continuous maps into a fixed space Y and their morphisms) and TOP (of topological spaces and continuous maps as morphisms). Several operations in MAP are introduced such as products, fibrewise products, inverse limits, sums, fibrewise sums and direct limits. Finally we take a look at compact (perfect) maps as an object in the category MAP.