In this somewhat technical section we look at the theory of fibrewise ENRs and ANRs. The results are mostly due to Dold . Our restriction to base spaces which are ENRs allows us to simplify the exposition at several points. We begin with a discussion of some of the properties of ENRs and ANRs which we have already used in earlier sections.
KeywordsVector Bundle Smash Product Normed Vector Space Finite Complex Real Vector Bundle
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