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2020 – today
- 2024
[j19]Stefan Helber, Carolin Kellenbrink, Insa Südbeck:
Evaluation of stochastic flow lines with provisioning of auxiliary material. OR Spectr. 46(3): 669-708 (2024)- 2022
- [j18]Florian E. Sachs
, Stefan Helber, Gudrun P. Kiesmüller:
Evaluation of Unreliable Flow Lines with Limited Buffer Capacities and Spare Part Provisioning. Eur. J. Oper. Res. 302(2): 544-559 (2022) - [j17]Carolin Kellenbrink, Nicolas Nübel, André Schnabel, Philipp Gilge, Joerg R. Seume, Berend Denkena, Stefan Helber:
A regeneration process chain with an integrated decision support system for individual regeneration processes based on a virtual twin. Int. J. Prod. Res. 60(13): 4137-4158 (2022)
2010 – 2019
- 2019
- [j16]Stefan Helber, Ton de Kok, Heinrich Kuhn, Michael Manitz, Andrea Matta, Raik Stolletz:
Quantitative approaches in production management. OR Spectr. 41(4): 867-870 (2019) - 2016
- [j15]Anja Wolter, Stefan Helber:
Simultaneous production and maintenance planning for a single capacitated resource facing both a dynamic demand and intensive wear and tear. Central Eur. J. Oper. Res. 24(3): 489-513 (2016) - 2015
- [j14]Carolin Kellenbrink, Stefan Helber:
Scheduling resource-constrained projects with a flexible project structure. Eur. J. Oper. Res. 246(2): 379-391 (2015) - 2014
- [e1]Stefan Helber, Michael H. Breitner, Daniel Rösch, Cornelia Schön, Johann-Matthias Graf von der Schulenburg, Philipp Sibbertsen, Marc Christian Steinbach, Stefan Weber, Anja Wolter:
Operations Research Proceedings 2012, Selected Papers of the International Annual Conference of the German Operations Research Society (GOR), Leibniz University of Hannover, Germany, September 5-7, 2012. Springer 2014, ISBN 978-3-319-00794-6 [contents] - 2013
- [j13]Stefan Helber, Florian Sahling, Katja Schimmelpfeng:
Dynamic capacitated lot sizing with random demand and dynamic safety stocks. OR Spectr. 35(1): 75-105 (2013) - 2012
- [j12]Katja Schimmelpfeng, Stefan Helber, Steffen Kasper:
Decision support for rehabilitation hospital scheduling. OR Spectr. 34(2): 461-489 (2012) - 2011
- [j11]Stefan Helber, Katja Schimmelpfeng, Raik Stolletz, Svenja Lagershausen:
Using linear programming to analyze and optimize stochastic flow lines. Ann. Oper. Res. 182(1): 193-211 (2011) - 2010
- [j10]Stefan Helber, Kirsten Henken:
Profit-oriented shift scheduling of inbound contact centers with skills-based routing, impatient customers, and retrials. OR Spectr. 32(1): 109-134 (2010) - [j9]Lisbeth Buschkühl, Florian Sahling, Stefan Helber, Horst Tempelmeier:
Dynamic capacitated lot-sizing problems: a classification and review of solution approaches. OR Spectr. 32(2): 231-261 (2010)
2000 – 2009
- 2009
- [j8]Florian Sahling, Lisbeth Buschkühl, Horst Tempelmeier, Stefan Helber:
Solving a multi-level capacitated lot sizing problem with multi-period setup carry-over via a fix-and-optimize heuristic. Comput. Oper. Res. 36(9): 2546-2553 (2009) - 2007
- [j7]Katja Schimmelpfeng, Stefan Helber:
Application of a real-world university-course timetabling model solved by integer programming. OR Spectr. 29(4): 783-803 (2007) - 2005
- [j6]Stefan Helber:
Analysis of flow lines with Cox-2-distributed processing times and limited buffer capacity. OR Spectr. 27(2-3): 221-242 (2005) - 2004
- [j5]Stefan Helber, Hanifa Jusic:
A New Decomposition Approach for Non-Cyclic Continuous Material Flow Lines with a Merging Flow of Material. Ann. Oper. Res. 125(1-4): 117-139 (2004) - [j4]Stefan Helber, Karl-Heinz Waldmann:
Editorial - Call Center Management. OR Spectr. 26(3): 305 (2004) - [j3]Raik Stolletz, Stefan Helber:
Performance analysis of an inbound call center with skills-based routing. OR Spectr. 26(3): 331-352 (2004) - 2000
- [j2]Stefan Helber:
Approximate analysis of unreliable transfer lines with splits in the flow of material. Ann. Oper. Res. 93(1-4): 217-243 (2000)
1990 – 1999
- 1998
- [j1]Stefan Helber:
Decomposition of unreliable assembly/disassembly networks with limited buffer capacity and random processing times. Eur. J. Oper. Res. 109(1): 24-42 (1998)
Coauthor Index
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