Stefan Helber

According to our database, Stefan Helber authored at least 19 papers between 1998 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2024

Evaluation of stochastic flow lines with provisioning of auxiliary material.

Stefan Helber, Carolin Kellenbrink, Insa Südbeck

OR Spectr., September, 2024

2022

A regeneration process chain with an integrated decision support system for individual regeneration processes based on a virtual twin.

Carolin Kellenbrink, Nicolas Nübel, André Schnabel, Philipp Gilge, Joerg R. Seume, Berend Denkena, Stefan Helber

Int. J. Prod. Res., 2022

Evaluation of Unreliable Flow Lines with Limited Buffer Capacities and Spare Part Provisioning.

Florian E. Sachs, Stefan Helber, Gudrun P. Kiesmüller

Eur. J. Oper. Res., 2022

2019

Quantitative approaches in production management.

Stefan Helber, Ton de Kok, Heinrich Kuhn, Michael Manitz, Andrea Matta, Raik Stolletz

OR Spectr., 2019

2016

Simultaneous production and maintenance planning for a single capacitated resource facing both a dynamic demand and intensive wear and tear.

Anja Wolter, Stefan Helber

Central Eur. J. Oper. Res., 2016

2015

Scheduling resource-constrained projects with a flexible project structure.

Carolin Kellenbrink, Stefan Helber

Eur. J. Oper. Res., 2015

2013

Dynamic capacitated lot sizing with random demand and dynamic safety stocks.

Stefan Helber, Florian Sahling, Katja Schimmelpfeng

OR Spectr., 2013

2012

Decision support for rehabilitation hospital scheduling.

Katja Schimmelpfeng, Stefan Helber, Steffen Kasper

OR Spectr., 2012

2011

Using linear programming to analyze and optimize stochastic flow lines.

Stefan Helber, Katja Schimmelpfeng, Raik Stolletz, Svenja Lagershausen

Ann. Oper. Res., 2011

2010

Profit-oriented shift scheduling of inbound contact centers with skills-based routing, impatient customers, and retrials.

Stefan Helber, Kirsten Henken

OR Spectr., 2010

Dynamic capacitated lot-sizing problems: a classification and review of solution approaches.

Lisbeth Buschkühl, Florian Sahling, Stefan Helber, Horst Tempelmeier

OR Spectr., 2010

2009

Solving a multi-level capacitated lot sizing problem with multi-period setup carry-over via a fix-and-optimize heuristic.

Florian Sahling, Lisbeth Buschkühl, Horst Tempelmeier, Stefan Helber

Comput. Oper. Res., 2009

2007

Application of a real-world university-course timetabling model solved by integer programming.

Katja Schimmelpfeng, Stefan Helber

OR Spectr., 2007

2005

Analysis of flow lines with Cox-2-distributed processing times and limited buffer capacity.

Stefan Helber

OR Spectr., 2005

2004

Performance analysis of an inbound call center with skills-based routing.

Raik Stolletz, Stefan Helber

OR Spectr., 2004

Editorial - Call Center Management.

Stefan Helber, Karl-Heinz Waldmann

OR Spectr., 2004

A New Decomposition Approach for Non-Cyclic Continuous Material Flow Lines with a Merging Flow of Material.

Stefan Helber, Hanifa Jusic

Ann. Oper. Res., 2004

2000

Approximate analysis of unreliable transfer lines with splits in the flow of material.

Stefan Helber

Ann. Oper. Res., 2000

1998

Decomposition of unreliable assembly/disassembly networks with limited buffer capacity and random processing times.

Stefan Helber

Eur. J. Oper. Res., 1998