2 papers
math.CO2026
Incomplete Open Platonic Solids
Mikael Vejdemo-Johansson
Sol LeWitt famously enumerated all the incomplete open cubes, finding 122 of these connected, non-planar subsets of the edges of the cube. Since then, while several projects have r…
cs.CG2025
-means considered harmful: On arbitrary topological changes in Mapper complexes
Mikael Vejdemo-Johansson
The Mapper construction is one of the most widespread tools from Topological Data Analysis. There is an unfortunate trend as the construction has gained traction to use clustering…