2 papers
math.GT2019
Extensions of immersions of surfaces into
Bojun Zhao
This paper is to study the case of \hyperref[Zhao]{[9]}. We determine all equivalence classes of immersed -manifolds bounded by an arbitrary immersed surface in…
math.GT2019
The extending surfaces of immersions into surfaces
Bojun Zhao
S. Blank solved the question of classifying immersed circles in that extend to immersed disks, and how many topologically inequivalent disks can be extended. The q…