2 papers
math.GT2022
On knots that divide ribbon knotted surfaces
Hans U. Boden, Ceyhun Elmacioglu, Anshul Guha +4
We define a knot to be half ribbon if it is the cross-section of a ribbon 2-knot, and observe that ribbon implies half ribbon implies slice. We introduce the half ribbon genus of a…
math.GT2020
A New Bound on Odd Multicrossing Numbers of Knots and Links
Anshul Guha
An -crossing projection of a link is a projection of onto a plane such that points on are superimposed on top of each other at every crossing. We prove that for…