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Eckhard Steffen
Eckhard Steffen
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Classifications and characterizations of snarks
E Steffen
Discrete Mathematics 188 (1-3), 183-203, 1998
1091998
Star chromatic numbers of graphs
E Steffen, X Zhu
Combinatorica 16, 439-448, 1996
671996
Measurements of edge-uncolorability
E Steffen
Discrete Mathematics 280 (1-3), 191-214, 2004
602004
1‐Factor and cycle covers of cubic graphs
E Steffen
Journal of Graph Theory 78 (3), 195-206, 2015
452015
Snarks and reducibility
G Brinkmann, E Steffen
Ars Combinatoria 50 (292-296), 198, 1998
391998
Circular coloring of signed graphs
Y Kang, E Steffen
Journal of Graph Theory 87 (2), 135-148, 2018
372018
Independent sets and 2‐factors in edge‐chromatic‐critical graphs
S Grünewald, E Steffen
Journal of Graph Theory 45 (2), 113-118, 2004
362004
Circular flow numbers of regular multigraphs
E Steffen
Journal of Graph Theory 36 (1), 24-34, 2001
362001
Measures of edge-uncolorability of cubic graphs
MÀ Fiol Mora, G Mazzuoccolo, E Steffen
Electronic journal of combinatorics 25 (4), 1-35, 2018
332018
Chromatic-index-critical graphs of orders 11 and 12
G Brinkmann, E Steffen
European Journal of Combinatorics 19 (8), 889-900, 1998
311998
Handbuch Gestaltung digitaler und vernetzter Arbeitswelten
G Maier, G Engels, E Steffen
series print ISSN 2569-8583, online ISBN 978-3-662-52903-4; DOI 10.1007/978 ¡¦, 2017
272017
Skill-based worker assignment in a manual assembly line
I Gr䩬ler, D Roesmann, C Cappello, E Steffen
Procedia CIRP 100, 433-438, 2021
262021
Choosability in signed planar graphs
L Jin, Y Kang, E Steffen
European Journal of Combinatorics 52, 234-243, 2016
262016
Petersen-colorings and some families of snarks
J Hägglund, E Steffen
Ars Mathematica Contemporanea 7 (1), 161-173, 2014
242014
Nowhere-zero flows on signed regular graphs
M Schubert, E Steffen
European Journal of Combinatorics 48, 34-47, 2015
222015
Concepts of signed graph coloring
E Steffen, A Vogel
European Journal of Combinatorics 91, 103226, 2021
212021
The chromatic spectrum of signed graphs
Y Kang, E Steffen
Discrete Mathematics 339 (11), 2660-2663, 2016
212016
Chromatic‐index‐critical graphs of even order
S Grünewald, E Steffen
Journal of Graph Theory 30 (1), 27-36, 1999
201999
Bounds for the independence number of critical graphs
G Brinkmann, SA Choudum, S Grünewald, E Steffen
Bulletin of the London Mathematical Society 32 (2), 137-140, 2000
192000
Tutte¡¯s 5-flow conjecture for highly cyclically connected cubic graphs
E Steffen
Discrete mathematics 310 (3), 385-389, 2010
182010
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