activity
20082026
most citedCrystallographic arrangements: Weyl groupoids and simplicial arrangements

19 citations · 24 across the 5 of their papers we have counts for

collaborators

6 papers

math.CO2026

Simplicial arrangements with special vertex

Michael Cuntz

Shi-Catalan and affine Weyl arrangements are obtained in a similar way: they consist of a Weyl arrangement embedded into a higher dimensional space together with shifted copies. We…

math.CO2025

Signatures of Type Root Systems

Michael Cuntz, Hung Manh Tran, Tan Nhat Tran +1

Given a type root system of rank , we introduce the concept of a signature for each subset of consisting of positive roots. For a subset represented by…

math.CO2024

A classification of generalized root systems

Michael Cuntz, Bernhard Mühlherr

Dimitrov and Fioresi introduced an object that they call a generalized root system. This is a finite set of vectors in a euclidean space satisfying certain compatibilities between…

math.AG2024★ 1 cited

Singular plane curves: freeness and combinatorics

Michael Cuntz, Piotr Pokora

In this paper we focus on various aspects of singular complex plane curves, mostly in the context of their homological properties and the associated combinatorial structures. We fo…

math.QA2010★ 19 cited

Crystallographic arrangements: Weyl groupoids and simplicial arrangements

Michael Cuntz

We introduce the simple notion of a "crystallographic arrangement" and prove a one-to-one correspondence between these arrangements and the connected simply connected Cartan scheme…

math.GR2008★ 4 cited

Weyl groupoids with at most three objects

M. Cuntz, I. Heckenberger

We adapt the generalization of root systems of the second author and H. Yamane to the terminology of category theory. We introduce Cartan schemes, associated root systems and Weyl…