Generalized Sum List Colorings of Graphs (joint work with Massimiliano Marangio and Margit Voigt). Discussiones Mathematicae Graph Theory. Doi: 10.7151/dmgt.2174.
On the Chromatic Edge Stability Number of Graphs (joint work with Massimiliano Marangio and Nazanin Movarraei). Graphs and Combinatorics 34 (2018) 1539-1551. Doi: 10.1007/s00373-018-1972-y.
A Note on Not-4-list Colorable Planar Graphs (joint work with Margit Voigt). The Electronic Journal of Combinatorics 25(2) (2018) #P2.46.
On the P-Sum Choice Number of Graphs for 1-Additive Properties (joint work with Massimiliano Marangio and Margit Voigt). Congressus Numerantium 229 (2017) 117-124.
Bounds for the Sum Choice Number (joint work with Massimiliano Marangio and Margit Voigt). Electronic Notes in Discrete Mathematics 63 (2017) 49-58. Doi: 10.1016/j.endm.2017.10.061.
Sum Choice Number of Generalized Θ-Graphs (joint work with Christoph Brause, Massimiliano Marangio, Anja Pruchnewski, and Margit Voigt). Discrete Mathematics 340 (2017) 2633-2640. Doi: 10.1016/j.disc.2016.11.028.
Proper Connection and Size of Graphs (joint work with Susan A. van Aardt, Christoph Brause, Alewyn P. Burger, Marietjie Frick, and Ingo Schiermeyer). Discrete Mathematics 340 (2017) 2673-2677. Doi: 10.1016/j.disc.2016.09.021.
Sum List Colorings of Small Graphs (joint work with Massimiliano Marangio and Margit Voigt). Congressus Numerantium 227 (2016) 27-50.
Rainbow Connection Number Two and Clique Number (joint work with Philipp Krause and Ingo Schiermeyer). Congressus Numerantium 226 (2016) 155-163.
Lower Bounds on the Sum Choice Number of a Graph (joint work with Jochen Harant). Electronic Notes in Discrete Mathematics 53 (2016) 421-431. Doi: 10.1016/j.endm.2016.05.036.
Sum List Edge Colorings of Graphs (joint work with Massimiliano Marangio and Margit Voigt). Discussiones Mathematicae Graph Theory 36 (2016) 709-722. Doi: 10.7151/dmgt.1884.
Sufficient Conditions for 2-Rainbow Connected Graphs (joint work with Ingo Schiermeyer). Discrete Applied Mathematics 209 (2016) 247-250. Doi: 10.1016/j.dam.2015.10.025.
Sum List Colorings of Products of Graphs (joint work with Massimiliano Marangio and Margit Voigt). Congressus Numerantium 223 (2015) 45-58.
Irregular Vertex Colorings of Cartesian Products of Paths and Cycles (joint work with Jens-P. Bode and Zuzana Moravcová). Congressus Numerantium 224 (2015) 203-211.
Sum List Colorings of Wheels (joint work with Massimiliano Marangio and Margit Voigt). Graphs and Combinatorics 31 (2015) 1905-1913. Doi: 10.1007/s00373-015-1565-y.
Hypohamiltonian Oriented Graphs of All Possible Orders (joint work with Susan A. van Aardt, Alewyn P. Burger, Marietjie Frick, and Ingo Schiermeyer). Graphs and Combinatorics 31 (2015) 1821-1831. Doi: 10.1007/s00373-015-1561-2.
Generalized Fractional and Circular Total Colorings of Graphs (joint work with Massimiliano Marangio, Peter Mihók, Janka Oravcová, and Roman Soták). Discussiones Mathematicae Graph Theory 35 (2015) 517-532. Doi: 10.7151/dmgt.1812.
Improved Sufficient Conditions for Hamiltonian Properties (joint work with Jens-P. Bode and Anika Fricke). Discussiones Mathematicae Graph Theory 35 (2015) 329-334. Doi: 10.7151/dmgt.1804.
(P,Q)-Total (r,s)-Colorings of Graphs (joint work with Massimiliano Marangio, Anja Pruchnewski, and Margit Voigt). Discrete Mathematics 338 (2015) 1722-1729. Doi: 10.1016/j.disc.2014.09.012.
d-Strong Total Colorings of Graphs (joint work with Massimiliano Marangio). Discrete Mathematics 338 (2015) 1690-1698. Doi: 10.1016/j.disc.2014.07.008.
Mathematik zum Studienbeginn Springer Spektrum, Wiesbaden, 11. Auflage, 2014.
d-Strong Edge Colorings of Graphs (joint work with Massimiliano Marangio). Graphs and Combinatorics 30 (2014) 183-195.
Grundy Critical Graphs (joint work with Jens-P. Bode). Congressus Numerantium 218 (2013) 141-147.
Fractional (P,Q)-Total List Colorings of Graphs (joint work with Peter Mihók and Margit Voigt). Discussiones Mathematicae Graph Theory 33 (2013) 167-179.
Grundy Numbers of Products of Paths, Cycles, and Stars (joint work with Jens-P. Bode and Ingo Schiermeyer). Congressus Numerantium 216 (2013) 65-72.
Rainbow Connection in Sparse Graphs (joint work with Jakub Przybyło, Ingo Schiermeyer, and Mariusz Woźniak). Discussiones Mathematicae Graph Theory 33 (2013) 181-192.
Hypercube-Anti-Ramsey Numbers of Q5 (joint work with Jens-P. Bode and Dorothée Grimm). Ars Combinatoria 110 (2013) 105-111.
[1,1,t]-Colorings of Complete Graphs (joint work with Massimiliano Marangio and Zsolt Tuza). Graphs and Combinatorics 29 (2013) 1041-1050.
Saturated Rainbow Edge Colorings of Cube Graphs (joint work with Heiko Harborth). Congressus Numerantium 212 (2012) 5-13.
Coloring of n-Dimensional Distance Graphs (joint work with Massimiliano Marangio). Congressus Numerantium 212 (2012) 97-105.
Closures, Cycles, and Paths (joint work with Jochen Harant, Akira Saito, and Ingo Schiermeyer). Journal of Graph Theory 69 (2012) 314-323.
Grundy Numbers of Strong Products of Graphs (joint work with Jens-P. Bode and Christoph Hillert). Congressus Numerantium 214 (2012) 179-186.
Improved Degree Conditions for Hamiltonian Properties (joint work with Ingo Schiermeyer). Discrete Mathematics 312 (2012) 2140-2145.
Rainbow Cycles in Cube Graphs (joint work with Jens-P. Bode and Sebastian Struckmann). Journal Comb. Math. Comb. Computing 80 (2012) 199-205.
