activity
20082026
most citedRank-width and Tree-width of H-minor-free Graphs

30 citations · 157 across the 83 of their papers we have counts for

collaborators

104 papers

cs.LO2026

A Logic for Minor-Free Graph Classes: Model Checking, Dependence, and Combinatorial Reconfiguration

Nikolas Mählmann, Patrice {Ossona de Mendez}, Nicole Schirrmacher +4

We introduce \emph{sub-connectivity logic}, denoted by , an extension of first-order logic for graphs with a specified set of admissible edges. Its additional…

math.CO2026

The Erdős-Pósa Property for Colorful Minors

Evangelos Protopapas, Dimitrios M. Thilikos, Sebastian Wiederrecht

A colorful graph relation enhances the minor relation by merging color sets along contractions and by allowing the removal of colors; it generalizes rooted minors and models proble…

cs.DS2026

Spanning Paths and Cycles: Structural Limitations of the Irrelevant Vertex Technique

Dimitrios M. Thilikos, Sebastian Wiederrecht

The Irrelevant Vertex Technique is one of the cornerstones of algorithmic graph theory, underlying Robertson and Seymour's algorithm for \textsc{Disjoint Paths} and much of the alg…

math.CO2026

Obstructions for Minor-Closed Classes of limiting Densities Below 3/2

Antonios Kominatos, Reem Mahmoud, Dimitrios M. Thilikos

Given a graph class , the limiting density of is defined as where $\mathsf{ex}(\mathcal{G…

math.CO2026

Optimal Bounds for the k-Disjoint Paths Problem

Dario Cavallaro, Maximilian Gorsky, Stephan Kreutzer +2

The Graph Minors Series of Robertson and Seymour forms the foundation of algorithmic structural graph theory, yielding fixed-parameter algorithms for problems such as Disjoint Path…

quant-ph2026

W-state graphs: Structure and Algorithms

Rishikesh Gajjala, Saurabh Ray, Dimitrios M. Thilikos

We study the class of edge-coloured graphs arising from the graph-theoretic representation of quantum photonic experiments that generate multipartite W-states. Abstracting away phy…