3 citations · 3 across the 4 of their papers we have counts for
4 papers
A stellated tetrahedron that is probably not Rupert
Tony Zeng
A convex polyhedron is Rupert if a hole can be cut into it (making its genus ) such that an identical copy of the polyhedron can pass through the hole. Resolving a conjecture of…
Juniper Green and the Gallai-Edmonds Decomposition
Tony Zeng
Juniper Green is a simple combinatorial game invented by Rob Porteous and popularized by Ian Stewart. It was originally designed to familiarize school children with the concepts of…
Graph decomposition via edge edits into a union of regular graphs
Tony Zeng
Suppose a finite, unweighted, combinatorial graph is the union of several (degree-)regular graphs which are then additionally connected with a few additional edges. …
Maximum distances in the four-digit Kaprekar process
Pat Devlin, Tony Zeng
For natural numbers and , the classical Kaprekar function is defined as , where is the rearrangement of the base- digits of in descending order a…