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Optimal portfolio selection for the small investor considering risk and transaction costs
Helber, Stefan; Henken, Kirsten - In: OR spectrum : quantitative approaches in management 32 (2009) 1, pp. 61-77
Persistent link: https://www.econbiz.de/10008339175
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Profit-oriented shift scheduling of inbound contact centers with skills-based routing, impatient customers, and retrials
Helber, Stefan; Henken, Kirsten - In: OR spectrum : quantitative approaches in management 32 (2010) 1, pp. 109-134
Persistent link: https://www.econbiz.de/10003935919
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Book reviews
Henken, Kirsten - In: OR spectrum : quantitative approaches in management 27 (2005) 1, pp. 164
Persistent link: https://www.econbiz.de/10006810115
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Analysis of flow lines with cox-2-distributed processing times and limited buffer capacity
Helber, Stefan - In: OR spectrum : quantitative approaches in management 27 (2005) 2/3, pp. 221-242
Persistent link: https://www.econbiz.de/10002856210
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Analysis of flow lines with Cox-2-distributed processing times and limited buffer capacity
Helber, Stefan - In: OR spectrum : quantitative approaches in management 27 (2005) 2, pp. 221-242
Persistent link: https://www.econbiz.de/10006813571
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Performance analysis of an inbound call center with skills-based routing
Stolletz, Raik; Helber, Stefan - In: OR spectrum : quantitative approaches in management 26 (2004) 3, pp. 331-352
Persistent link: https://www.econbiz.de/10006816989
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Editorial - Call Center Management
Helber, Stefan; Waldmann, Karl-Heinz - In: OR spectrum : quantitative approaches in management 26 (2004) 3, pp. 305-306
Persistent link: https://www.econbiz.de/10006816991
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Decision support for rehabilitation hospital scheduling
Schimmelpfeng, Katja; Helber, Stefan; Kasper, Steffen - In: OR spectrum : quantitative approaches in management 34 (2012) 2, pp. 461-490
Persistent link: https://www.econbiz.de/10009841026
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Application of a real-world university-course timetabling model solved by integer programming
Schimmelpfeng, Katja; Helber, Stefan - In: OR spectrum : quantitative approaches in management 29 (2007) 4, pp. 783
Persistent link: https://www.econbiz.de/10007752311
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Dynamic capacitated lot sizing with random demand and dynamic safety stocks
Helber, Stefan; Sahling, Florian; Schimmelpfeng, Katja - In: OR spectrum : quantitative approaches in management 35 (2013) 1, pp. 75-105
Persistent link: https://www.econbiz.de/10010063244