Abstract smooth surface
= Abstract smooth surface
An abstract smooth surface is a two-dimensional <smooth manifold>. Thus it is a Hausdorff second-countable space with an atlas of plane-valued coordinate charts whose transition maps are smooth.
= Abstract smooth surface
An abstract smooth surface is a two-dimensional <smooth manifold>. Thus it is a Hausdorff second-countable space with an atlas of plane-valued coordinate charts whose transition maps are smooth.