Detecting Codimension One Manifold Factors with Topographical Techniques
نویسنده
چکیده
We prove recognition theorems for codimension one manifold factors of dimension n ≥ 4. In particular, we formalize topographical methods and introduce three ribbons properties: the crinkled ribbons property, the twisted crinkled ribbons property, and the fuzzy ribbons property. We show that X ×R is a manifold in the cases when X is a resolvable generalized manifold of finite dimension n ≥ 3 with either: (1) the crinkled ribbons property; (2) the twisted crinkled ribbons property and the disjoint point disk property; or (3) the fuzzy ribbons property.
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تاریخ انتشار 2007