| Publication | Date of Publication | Type |
|---|
| Rooted minors and locally spanning subgraphs | 2024-01-24 | Paper |
| Contractible edges in longest cycles | 2023-10-12 | Paper |
| Low chromatic spanning sub(di)graphs with prescribed degree or connectivity properties | 2023-10-05 | Paper |
| Good acyclic orientations of 4‐regular 4‐connected graphs | 2023-10-05 | Paper |
| A note on uniquely 10‐colorable graphs | 2023-10-04 | Paper |
| Good orientations of unions of edge‐disjoint spanning trees | 2023-09-29 | Paper |
| Complexity of (arc)-connectivity problems involving arc-reversals or deorientations | 2023-09-07 | Paper |
| Rainbow bases in matroids | 2022-06-21 | Paper |
| Maximal ambiguously \(k\)-colorable graphs | 2020-01-15 | Paper |
| Kempe Chains and Rooted Minors | 2019-11-22 | Paper |
| Rooted complete minors in line graphs with a Kempe coloring | 2019-05-03 | Paper |
| Good orientations of 2T-graphs | 2019-03-25 | Paper |
| More on foxes | 2018-10-31 | Paper |
| Nonseparating K4‐subdivisions in graphs of minimum degree at least 4 | 2018-10-31 | Paper |
| Degree sequences and edge connectivity | 2018-01-05 | Paper |
| In memoriam: Horst Sachs (1927--2016) | 2017-09-05 | Paper |
| Unique Colorability and Clique Minors | 2017-06-30 | Paper |
| Antistrong digraphs | 2016-11-25 | Paper |
| Arc-Disjoint Directed and Undirected Cycles in Digraphs | 2016-11-17 | Paper |
| Threshold Colorings of Prisms and the Petersen Graph | 2016-08-08 | Paper |
| On minimal graphs containing k perfect matchings | 2016-08-04 | Paper |
| On graphs double-critical with respect to the colouring number | 2015-12-03 | Paper |
| Vertex-disjoint directed and undirected cycles in general digraphs | 2014-08-28 | Paper |
| The Average Degree of Minimally Contraction‐Critically 5‐Connected Graphs | 2014-05-22 | Paper |
| Axioms for infinite matroids | 2014-01-08 | Paper |
| Disjoint sub(di)graphs in digraphs | 2013-10-10 | Paper |
| On the problem of finding disjoint cycles and dicycles in a digraph | 2012-04-26 | Paper |
| Balancing two spanning trees | 2011-08-16 | Paper |
| Minimal Connectivity | 2011-01-12 | Paper |
| Packing Steiner trees on four terminals | 2010-11-05 | Paper |
| What is on his mind? | 2010-10-18 | Paper |
| On Seymour's strengthening of Hadwiger's conjecture for graphs with certain forbidden subgraphs | 2010-10-18 | Paper |
| Edge disjoint Steiner trees in graphs without large bridges | 2009-12-18 | Paper |
| Disjoint directed and undirected paths and cycles in digraphs | 2009-11-06 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5506265 | 2009-01-28 | Paper |
| On the number of 4-contractible edges in 4-connected graphs | 2009-01-21 | Paper |
| Vertex suppression in 3-connected graphs | 2008-11-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5443251 | 2008-02-20 | Paper |
| On small contractible subgraphs in 3-connected graphs of small average degree | 2007-12-10 | Paper |
| On the number of contractible triples in 3-connected graphs | 2007-12-10 | Paper |
| There exist highly critically connected graphs of diameter three | 2007-05-24 | Paper |
| A constructive characterization of 3-connected triangle-free graphs | 2007-04-16 | Paper |
| How to contract an essentially 6-connected graph to a 5-connected graph | 2007-02-13 | Paper |
| Contractions, cycle double covers, and cyclic colorings in locally connected graphs | 2007-01-16 | Paper |
| Mader's conjecture on extremely critical graphs | 2007-01-08 | Paper |
| Closed separator sets | 2007-01-02 | Paper |
| Global connectivity and expansion: long cycles and factors in \(f\)-connected graphs | 2006-06-30 | Paper |
| On the pancyclicity of lexicographic products | 2006-06-16 | Paper |
| Average degree and contractibility | 2006-05-16 | Paper |
| Disjoint \(A\)-paths in digraphs | 2005-09-28 | Paper |
| Triangle Density and Contractibility | 2005-04-04 | Paper |
| On decomposing a hypergraph into \(k\) connected sub-hypergraphs | 2003-10-14 | Paper |
| Edge-disjoint trees containing some given vertices in a graph | 2003-08-25 | Paper |
| A contribution to a conjecture of A. Saito | 2003-03-25 | Paper |
| Contractible subgraphs in 3-connected graphs | 2002-12-10 | Paper |
| A degree sum condition for the existence of a contractible edge in a \(\kappa\)-connected graph | 2002-12-10 | Paper |
| All 4-connected line graphs of claw free graphs are Hamiltonian connected | 2002-12-10 | Paper |
| Almost all 3-connected graphs contain a contractible set of \(k\) vertices | 2002-12-10 | Paper |
| A survey on contractible edges in graphs of a prescribed vertex connectivity | 2002-05-14 | Paper |
| Upper bounds to the number of vertices in a \(k\)-critically \(n\)-connected graph | 2002-05-14 | Paper |
| The symmetric (2k, k)-graphs | 2002-01-08 | Paper |
| Induced paths in 5-connected graphs | 2002-01-08 | Paper |
| On factors of 4-connected claw-free graphs | 2001-12-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2741346 | 2001-09-23 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2741349 | 2001-09-23 | Paper |
| Contractible non-edges in triangle-free graphs | 2000-07-05 | Paper |
| Contractible non-edges in \(3\)-connected graphs | 2000-06-25 | Paper |
| The \(k\)-critical \(2k\)-connected graphs for \(k\in\{3,4\}\) | 2000-06-25 | Paper |
| On a conjecture of Thomassen and Toft | 2000-02-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3843247 | 1998-08-30 | Paper |
| On \(k\)-critical connected line graphs | 1998-08-10 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4365823 | 1997-11-18 | Paper |
| Rainbow bases in matroids | 0001-01-03 | Paper |
