Stefan Helber

发表

Approximate analysis of unreliable transfer lines with rework or scrapping of parts

Stefan Helber, 1997 .

Performance Analysis of Flow Lines with Non-Linear Flow of Material

Stefan Helber, S. Helber, 1999 .

Contributions to stochastic models of manufacturing and service operations

Andrea Matta, Cathal Heavey, Stefan Helber, 2018 .

Assembly/Disassembly Systems with Random Processing Times

Stefan Helber, 1999 .

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

Stefan Helber, Kirsten Henken, 2010, OR Spectr..

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

Horst Tempelmeier, Stefan Helber, Lisbeth Buschkühl, 2010, OR Spectr..

Setting Inventory Levels of CONWIP Flow Lines via Linear Programming

Stefan Helber, Raik Stolletz, Katja Schimmelpfeng, 2009 .

Simultaneous structuring and scheduling of multiple projects with flexible project structures

Stefan Helber, Luise-Sophie Hoffmann, Carolin Kellenbrink, 2020 .

Using linear programming to analyze and optimize stochastic flow lines

Stefan Helber, Raik Stolletz, Svenja Lagershausen, 2011, Ann. Oper. Res..

Interactive Voice Response (IVR): Lassen Sie Maschinen sprechen

Stefan Helber, Raik Stolletz, 2004 .

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

Stefan Helber, Katja Schimmelpfeng, 2007, OR Spectr..

Operations Proceedings 2012

Daniel Rösch, Michael H. Breitner, Stefan Helber, 2012 .

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

Stefan Helber, Raik Stolletz, S. Helber, 2004, OR Spectr..

A heuristic for dynamic multi-item multi-level capacitated lotsizing for general product structures

Horst Tempelmeier, Stefan Helber, H. Tempelmeier, 1994 .

A generic approach to analyze the impact of a future aircraft design on the boarding process

Stefan Helber, Peter Hecker, Peter Förster, 2018 .

Flow Lines with Rework Loops and Machine-Specific Processing Times

Stefan Helber, 1999 .

A Fix-and-Optimize Approach for the Multi-Level Capacitated Lot Sizing Problems

Stefan Helber, Florian Sahling, S. Helber, 2010 .

Ablauforganisation in produktion und logistik

Stefan Helber, Hans-Ulrich Küpper, Stefan Helber, 1995 .

Selected papers of the International Annual Conference of the German Operations Research Society (GOR), Leibniz Universität Hannover, Germany, September 5-7, 2012

Stefan Helber, 2013 .

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

Stefan Helber, Hanifa Jusic, S. Helber, 2004, Ann. Oper. Res..

Conclusions and Suggestions for Further Research

Stefan Helber, 1999 .

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

Stefan Helber, S. Helber, 1998, Eur. J. Oper. Res..

Dynamic capacitated lot sizing with random demand and dynamic safety stocks

Stefan Helber, Florian Sahling, Katja Schimmelpfeng, 2013, OR Spectr..

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

Stefan Helber, 2000, Ann. Oper. Res..

Cash-Flow Oriented Lot Sizing in MRP II Systems

Stefan Helber, S. Helber, 1998 .

Issues, Goals, and Methods of Flow Line Analysis

Stefan Helber, 1999 .

Quality- and profit-oriented scheduling of flexible resource-constrained projects

Stefan Helber, Carolin Kellenbrink, 2014 .

Profit-oriented scheduling of resource-constrained projects with flexible capacity constraints

Stefan Helber, Carolin Kellenbrink, André Schnabel, 2018 .

Quantitative approaches in production management

Heinrich Kuhn, Stefan Helber, Raik Stolletz, 2019, OR Spectr..

Lot sizing in capacitated production planning and control systems

Stefan Helber, S. Helber, 1995 .

Flow Lines with Rework Loops and Identical Processing Times

Stefan Helber, 1999 .

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

Stefan Helber, Anja Wolter, S. Helber, 2016, Central Eur. J. Oper. Res..

Planung logistischer Systeme

Stefan Helber, Bernhard Fleischmann, Wolfgang Domschke, 2002 .

Quality- and profit-oriented scheduling of resource-constrained projects with flexible project structure via a genetic algorithm

Stefan Helber, Carolin Kellenbrink, 2016 .

A hierarchical facility layout planning approach for large and complex hospitals

Stefan Helber, Svenja Lagershausen, Daniel Böhme, 2014 .

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

Horst Tempelmeier, Stefan Helber, Lisbeth Buschkühl, 2009, Comput. Oper. Res..

Exact Analysis of a Continuous Material Merge System with Limited Buffer Capacity and Three Stations

Stefan Helber, Nicole Mehrtens, 2003 .

First results on setting inventory levels of CONWIP flow lines via linear programming

Stefan Helber, Raik Stolletz, Katja Schimmelpfeng, 2009 .

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

Stefan Helber, S. Helber, 2005, OR Spectr..

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

Stefan Helber, 2005, OR Spectr..

Scheduling resource-constrained projects with a flexible project structure

Stefan Helber, Carolin Kellenbrink, S. Helber, 2013, Eur. J. Oper. Res..

Editorial - Call Center Management

Stefan Helber, Karl-Heinz Waldmann, 2004, OR Spectr..

Decision support for rehabilitation hospital scheduling

Stefan Helber, Katja Schimmelpfeng, Steffen Kasper, 2012, OR Spectr..

Cash-flow-oriented buffer allocation in stochastic flow lines

Stefan Helber, S. Helber, 2001 .

Location Planning for Dynamic Wireless Charging Systems for Electric Airport Passenger Buses

Stefan Helber, Peter Hecker, Young Jae Jang, 2018 .

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

Marc C. Steinbach, Daniel Rösch, Michael H. Breitner, 2014, OR.