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69 Publications
2024 | Preprint | LibreCat-ID: 52342
On token signed graphs
C. Dalfó, M.A. Fiol, E. Steffen, ArXiv:2403.02924 (2024).
LibreCat
| arXiv
C. Dalfó, M.A. Fiol, E. Steffen, ArXiv:2403.02924 (2024).
2024 | Journal Article | LibreCat-ID: 49905
Edge-Connectivity and Pairwise Disjoint Perfect Matchings in Regular Graphs
Y. Ma, D. Mattiolo, E. Steffen, I.H. Wolf, Combinatorica 44 (2024) 429–440.
LibreCat
| DOI
Y. Ma, D. Mattiolo, E. Steffen, I.H. Wolf, Combinatorica 44 (2024) 429–440.
2023 | Preprint | LibreCat-ID: 44501
Critically 3-frustrated signed graphs
C. Cappello, R. Naserasr, E. Steffen, Z. Wang, ArXiv:2304.10243 (2023).
LibreCat
| arXiv
C. Cappello, R. Naserasr, E. Steffen, Z. Wang, ArXiv:2304.10243 (2023).
2023 | Journal Article | LibreCat-ID: 44857
Algorithms for the genome median under a restricted measure of rearrangement
H.O.M. Silva, D.P. Rubert, E. Araujo, E. Steffen, D. Doerr, F.V. Martinez, RAIRO - Operations Research 57 (2023) 1045–1058.
LibreCat
| DOI
H.O.M. Silva, D.P. Rubert, E. Araujo, E. Steffen, D. Doerr, F.V. Martinez, RAIRO - Operations Research 57 (2023) 1045–1058.
2023 | Preprint | LibreCat-ID: 44859
Sets of r-graphs that color all r-graphs
Y. Ma, D. Mattiolo, E. Steffen, I.H. Wolf, ArXiv:2305.08619 (2023).
LibreCat
| arXiv
Y. Ma, D. Mattiolo, E. Steffen, I.H. Wolf, ArXiv:2305.08619 (2023).
2023 | Journal Article | LibreCat-ID: 46256
Pairwise Disjoint Perfect Matchings in r-Edge-Connected r-Regular Graphs
Y. Ma, D. Mattiolo, E. Steffen, I.H. Wolf, SIAM Journal on Discrete Mathematics 37 (2023) 1548–1565.
LibreCat
| DOI
Y. Ma, D. Mattiolo, E. Steffen, I.H. Wolf, SIAM Journal on Discrete Mathematics 37 (2023) 1548–1565.
2023 | Journal Article | LibreCat-ID: 51351
Bounds for the chromatic index of signed multigraphs
E. Steffen, I.H. Wolf, Discrete Applied Mathematics 337 (2023) 185–189.
LibreCat
| DOI
E. Steffen, I.H. Wolf, Discrete Applied Mathematics 337 (2023) 185–189.
2023 | Book Chapter | LibreCat-ID: 45190
Graph-Theoretical Models for the Analysis and Design of Socio-Technical Networks
C. Cappello, E. Steffen, in: The Digital Twin of Humans, Springer International Publishing, Cham, 2023, pp. 93--110.
LibreCat
| DOI
C. Cappello, E. Steffen, in: The Digital Twin of Humans, Springer International Publishing, Cham, 2023, pp. 93--110.
2023 | Journal Article | LibreCat-ID: 51357
Rotation r-graphs
E. Steffen, I.H. Wolf, Discrete Mathematics (2023).
LibreCat
| DOI
E. Steffen, I.H. Wolf, Discrete Mathematics (2023).
2023 | Book Chapter | LibreCat-ID: 45110
Introduction—The Digital Twin of Humans
I. Gräßler, E. Steffen, G.W. Maier, D. Roesmann, in: I. Gräßler, G.W. Maier, E. Steffen, D. Roesmann (Eds.), The Digital Twin of Humans, Springer International Publishing, Cham, 2023, pp. 3–10.
LibreCat
| Files available
| DOI
I. Gräßler, E. Steffen, G.W. Maier, D. Roesmann, in: I. Gräßler, G.W. Maier, E. Steffen, D. Roesmann (Eds.), The Digital Twin of Humans, Springer International Publishing, Cham, 2023, pp. 3–10.
2023 | Book (Editor) | LibreCat-ID: 45191
The Digital Twin of Humans
I. Gräßler, G.W. Maier, E. Steffen, D. Roesmann, eds., The Digital Twin of Humans, Springer International Publishing, Cham, 2023.
LibreCat
| DOI
I. Gräßler, G.W. Maier, E. Steffen, D. Roesmann, eds., The Digital Twin of Humans, Springer International Publishing, Cham, 2023.
2022 | Journal Article | LibreCat-ID: 33741
Symmetric Set Coloring of Signed Graphs
C. Cappello, E. Steffen, Annals of Combinatorics (2022).
LibreCat
| DOI
| arXiv
C. Cappello, E. Steffen, Annals of Combinatorics (2022).
2022 | Journal Article | LibreCat-ID: 31543
Even Factors in Edge-Chromatic-Critical Graphs with a Small Number of Divalent Vertices
E. Steffen, I.H. Wolf, Graphs and Combinatorics 38 (2022).
LibreCat
| DOI
| arXiv
E. Steffen, I.H. Wolf, Graphs and Combinatorics 38 (2022).
2022 | Journal Article | LibreCat-ID: 33950
Frustration-critical signed graphs
C. Cappello, E. Steffen, Discrete Applied Mathematics 322 (2022) 183–193.
LibreCat
| DOI
| arXiv
C. Cappello, E. Steffen, Discrete Applied Mathematics 322 (2022) 183–193.
2022 | Journal Article | LibreCat-ID: 26408
Edge colorings and circular flows on regular graphs
D. Mattiolo, E. Steffen, Journal of Graph Theory 99 (2022) 399–413.
LibreCat
| DOI
| arXiv
D. Mattiolo, E. Steffen, Journal of Graph Theory 99 (2022) 399–413.
2021 | Conference Paper | LibreCat-ID: 22287
Skill-based worker assignment in a manual assembly line
I. Gräßler, D. Roesmann, C. Cappello, E. Steffen, in: E. Lutters (Ed.), Procedia CIRP Design, Elsevier, 2021, pp. 433–438.
LibreCat
| DOI
I. Gräßler, D. Roesmann, C. Cappello, E. Steffen, in: E. Lutters (Ed.), Procedia CIRP Design, Elsevier, 2021, pp. 433–438.
2021 | Journal Article | LibreCat-ID: 23456
Highly edge‐connected regular graphs without large factorizable subgraphs
D. Mattiolo, E. Steffen, Journal of Graph Theory 99 (2021) 107–116.
LibreCat
| DOI
| arXiv
D. Mattiolo, E. Steffen, Journal of Graph Theory 99 (2021) 107–116.
2021 | Journal Article | LibreCat-ID: 21827
Fractional Matchings, Component-Factors and Edge-Chromatic Critical Graphs
A. Klopp, E. Steffen, Graphs and Combinatorics (2021) 559–580.
LibreCat
| DOI
| arXiv
A. Klopp, E. Steffen, Graphs and Combinatorics (2021) 559–580.
2021 | Journal Article | LibreCat-ID: 13445
Concepts of signed graph coloring
E. Steffen, A. Vogel, European J. Combinatorics 91 (2021).
LibreCat
| arXiv
E. Steffen, A. Vogel, European J. Combinatorics 91 (2021).
2020 | Journal Article | LibreCat-ID: 13114
Flows on signed graphs without long barbells
Y. Lu, R. Luo, M. Schubert, E. Steffen, C.-Q. Zhang, SIAM J. Discrete Math 34 (4) (2020) 2166–2187.
LibreCat
| DOI
| arXiv
Y. Lu, R. Luo, M. Schubert, E. Steffen, C.-Q. Zhang, SIAM J. Discrete Math 34 (4) (2020) 2166–2187.
2020 | Journal Article | LibreCat-ID: 12971
Unions of 1-factors in r-graphs and overfull graphs
L. Jin, E. Steffen, J. of Combinatorics 11 (2020) 457–473.
LibreCat
| arXiv
L. Jin, E. Steffen, J. of Combinatorics 11 (2020) 457–473.
2018 | Book Chapter | LibreCat-ID: 16938
Gerechtigkeit in flexiblen Arbeits- und Managementprozessen
G. Engels, G.W. Maier, S.K. Ötting, E. Steffen, A. Teetz, in: S. Wischmann, E.A. Hartmann (Eds.), Zukunft Der Arbeit – Eine Praxisnahe Betrachtung, Springer Verlag, Berlin, Heidelberg, 2018, pp. 221–231.
LibreCat
| DOI
G. Engels, G.W. Maier, S.K. Ötting, E. Steffen, A. Teetz, in: S. Wischmann, E.A. Hartmann (Eds.), Zukunft Der Arbeit – Eine Praxisnahe Betrachtung, Springer Verlag, Berlin, Heidelberg, 2018, pp. 221–231.
2018 | Journal Article | LibreCat-ID: 10129
Measures of Edge-Uncolorability of Cubic Graphs
M.A. Fiol, G. Mazzuoccolo, E. Steffen, The Electronic Journal of Combinatorics 25 (2018).
LibreCat
M.A. Fiol, G. Mazzuoccolo, E. Steffen, The Electronic Journal of Combinatorics 25 (2018).
2018 | Journal Article | LibreCat-ID: 10130
Flows in Signed Graphs with Two Negative Edges
E. Rollová, M. Schubert, E. Steffen, The Electronic Journal of Combinatorics 25 (2018).
LibreCat
| DOI
E. Rollová, M. Schubert, E. Steffen, The Electronic Journal of Combinatorics 25 (2018).
2018 | Journal Article | LibreCat-ID: 10132
Cores, joins and the Fano-flow conjectures
L. Jin, G. Mazzuoccolo, E. Steffen, Discussiones Mathematicae Graph Theory 38 (2018) 165–175.
LibreCat
| DOI
L. Jin, G. Mazzuoccolo, E. Steffen, Discussiones Mathematicae Graph Theory 38 (2018) 165–175.
2018 | Journal Article | LibreCat-ID: 10142
Approximating Vizing’s independence number conjecture
E. Steffen, Australasian Journal of Combinatorics 71 (2018) 153–160.
LibreCat
E. Steffen, Australasian Journal of Combinatorics 71 (2018) 153–160.
2017 | Book (Editor) | LibreCat-ID: 10146
Handbuch Gestaltung digitaler und vernetzter Arbeitswelten
G.W. Maier, G. Engels, E. Steffen, eds., Handbuch Gestaltung digitaler und vernetzter Arbeitswelten, 1st ed., Springer Berlin Heidelberg, 2017.
LibreCat
G.W. Maier, G. Engels, E. Steffen, eds., Handbuch Gestaltung digitaler und vernetzter Arbeitswelten, 1st ed., Springer Berlin Heidelberg, 2017.
2017 | Book Chapter | LibreCat-ID: 10147
Digitale Zukunft: ein inter- und transdisziplinäres Thema
D. Simon, E. Steffen, in: G.W. Maier, G. Engels, E. Steffen (Eds.), Handbuch Gestaltung digitaler und vernetzter Arbeitswelten, 1st ed., Springer Berlin Heidelberg, 2017, pp. 1–12.
LibreCat
D. Simon, E. Steffen, in: G.W. Maier, G. Engels, E. Steffen (Eds.), Handbuch Gestaltung digitaler und vernetzter Arbeitswelten, 1st ed., Springer Berlin Heidelberg, 2017, pp. 1–12.
2017 | Journal Article | LibreCat-ID: 10155
Nowhere-zero 5-flows on cubic graphs with oddness 4
G. Mazzuoccolo, E. Steffen, J. Graph Theory 85 (2017) 363 – 371.
LibreCat
G. Mazzuoccolo, E. Steffen, J. Graph Theory 85 (2017) 363 – 371.
2017 | Journal Article | LibreCat-ID: 10156
Factors of edge-chromatic critical graphs: a brief survey and some equivalences
S. Bej, E. Steffen, Lecture Notes of Seminario Interdisciplinare Di Matematica 14 (2017) 37–48.
LibreCat
S. Bej, E. Steffen, Lecture Notes of Seminario Interdisciplinare Di Matematica 14 (2017) 37–48.
2017 | Journal Article | LibreCat-ID: 10157
Petersen cores and the oddness of cubic graphs
L. Jin, E. Steffen, J. Graph Theory 84 (2017) 109–120.
LibreCat
L. Jin, E. Steffen, J. Graph Theory 84 (2017) 109–120.
2016 | Journal Article | LibreCat-ID: 10158
Face-degree bounds for planar critical graphs
L. Jin, Y. Kang, E. Steffen, Electronic Journal of Combinatorics 23 (2016).
LibreCat
L. Jin, Y. Kang, E. Steffen, Electronic Journal of Combinatorics 23 (2016).
2016 | Journal Article | LibreCat-ID: 10159
The chromatic spectrum of signed graphs
Y. Kang, E. Steffen, Discrete Mathematics 339 (2016) 234–243.
LibreCat
Y. Kang, E. Steffen, Discrete Mathematics 339 (2016) 234–243.
2016 | Journal Article | LibreCat-ID: 10160
Remarks on planar critical graphs
L. Jin, Y. Kang, E. Steffen, Discrete Applied Mathematics 200 (2016) 200–202.
LibreCat
L. Jin, Y. Kang, E. Steffen, Discrete Applied Mathematics 200 (2016) 200–202.
2016 | Journal Article | LibreCat-ID: 10161
Choosability in signed planar graphs
L. Jin, Y. Kang, E. Steffen, European J. Combinatorics 52 (2016) 234–243.
LibreCat
L. Jin, Y. Kang, E. Steffen, European J. Combinatorics 52 (2016) 234–243.
2015 | Journal Article | LibreCat-ID: 10162
Intersecting 1-factors and nowhere-zero 5-flows
E. Steffen, Combinatorica 35 (2015) 633–640.
LibreCat
E. Steffen, Combinatorica 35 (2015) 633–640.
2015 | Journal Article | LibreCat-ID: 10163
Edge-colorings and circular flow numbers of regular graphs
E. Steffen, J. Graph Theory 79 (2015) 1–7.
LibreCat
E. Steffen, J. Graph Theory 79 (2015) 1–7.
2015 | Journal Article | LibreCat-ID: 10164
The difference between the circular and the integer flow number of bidirected graphs
E. Máčajová, E. Steffen, Discrete Mathematics 338 (2015) 866–867.
LibreCat
E. Máčajová, E. Steffen, Discrete Mathematics 338 (2015) 866–867.
2015 | Journal Article | LibreCat-ID: 10165
1-factor-and cycle covers of cubic graphs
E. Steffen, J. Graph Theory 78 (2015) 195 – 206.
LibreCat
E. Steffen, J. Graph Theory 78 (2015) 195 – 206.
2015 | Journal Article | LibreCat-ID: 10166
Nowhere-zero flows on signed regular graphs
M. Schubert, E. Steffen, European J. Combinatorics 48 (2015) 34–47.
LibreCat
M. Schubert, E. Steffen, European J. Combinatorics 48 (2015) 34–47.
2014 | Journal Article | LibreCat-ID: 10167
The set of circular flow numbers of regular graphs
M. Schubert, E. Steffen, J. Graph Theory 76 (2014) 297–308.
LibreCat
M. Schubert, E. Steffen, J. Graph Theory 76 (2014) 297–308.
2014 | Journal Article | LibreCat-ID: 10169
Petersen colorings and some families of snarks
J. Hägglund, E. Steffen, Ars Mathematica Contemporanea 312 (2014) 476–478.
LibreCat
J. Hägglund, E. Steffen, Ars Mathematica Contemporanea 312 (2014) 476–478.
2012 | Journal Article | LibreCat-ID: 10170
α-labelings and the structure of trees with nonzero α-deficit
G. Brinkmann, Simon Crevals, H. Melot, Leanne J. Rylands, E. Steffen, Discrete Mathematics. and Theoretical Computer Science 14.1 (2012) 159–174.
LibreCat
G. Brinkmann, Simon Crevals, H. Melot, Leanne J. Rylands, E. Steffen, Discrete Mathematics. and Theoretical Computer Science 14.1 (2012) 159–174.
2012 | Journal Article | LibreCat-ID: 10171
Nearly nowhere-zero r-flow graphs
E. Steffen, Discrete Mathematics 312 (2012) 2757–2759.
LibreCat
E. Steffen, Discrete Mathematics 312 (2012) 2757–2759.
2012 | Journal Article | LibreCat-ID: 10172
Maximum Δ-edge-colorable subgraphs of class II graphs
V. Mkrtchyan, E. Steffen, J. Graph Theory 70 (2012) 473–482.
LibreCat
V. Mkrtchyan, E. Steffen, J. Graph Theory 70 (2012) 473–482.
2012 | Journal Article | LibreCat-ID: 10173
Measures of edge-uncolorability
V. Mkrtchyan, E. Steffen, Discrete Mathematics 312 (2012) 476–478.
LibreCat
V. Mkrtchyan, E. Steffen, Discrete Mathematics 312 (2012) 476–478.
2010 | Journal Article | LibreCat-ID: 10174
Tutte's 5-flow conjecture for cyclically highly connected cubic graphs
E. Steffen, Discrete Mathematics 310 (2010) 385–389.
LibreCat
E. Steffen, Discrete Mathematics 310 (2010) 385–389.
2010 | Preprint | LibreCat-ID: 10202
Bricks and conjectures of Berge, Fulkerson and Seymour
V. Mkrtchyan, E. Steffen, ArXiv:1003.5782 (2010).
LibreCat
V. Mkrtchyan, E. Steffen, ArXiv:1003.5782 (2010).
2008 | Journal Article | LibreCat-ID: 10175
Relating embedding and coloring properties of snarks
B. Mohar, E. Steffen, A. Vodopivec, Ars Mathematica Contemporanea 1 (2008) 169–184.
LibreCat
B. Mohar, E. Steffen, A. Vodopivec, Ars Mathematica Contemporanea 1 (2008) 169–184.
2006 | Journal Article | LibreCat-ID: 10176
Erratum to „Reductions of Symmetry configurations n3
M. Boben, T. Pisanski, N. Ravnik, E. Steffen, Discrete Applied Mathematics 154 (2006) 1645–1646.
LibreCat
M. Boben, T. Pisanski, N. Ravnik, E. Steffen, Discrete Applied Mathematics 154 (2006) 1645–1646.