3 papers
stat.CO2020
independence: Fast Rank Tests
Chaim Even-Zohar
In 1948 Hoeffding devised a nonparametric test that detects dependence between two continuous random variables X and Y, based on the ranking of n paired samples (Xi,Yi). The comput…
math.CO2020
Random Surfaces with Boundary
Chaim Even-Zohar, Michael Farber
A surface with boundary is randomly generated by gluing polygons along some of their sides. We show that its genus and number of boundary components asymptotically follow a bivaria…
math.GT2018
Universal Knot Diagrams
Chaim Even-Zohar, Joel Hass, Nati Linial +1
We study collections of planar curves that yield diagrams for all knots. In particular, we show that a very special class called potholder curves carries all knots. This has implic…