An exotic 5RP^2 in the 4-sphere
arXiv:2312.03617
Abstract
We show an example of an embedded copy of 5RP^2 in the four-sphere which is topologically standard but smoothly knotted, i.e. smoothly not isotopic to the standard embedding.
18 pages, 3 figures. Mistake in the construction from previous version has been fixed, two new authors have been added