CHAIR OF

OPERATIONS MANAGEMENT

• Disputation of Danja Sonntag: On the 28^th of November 2017 Danja Sonntag defended her PhD Thesis entitled "Safety stock determination in production systems with random yield and positive leadtimes” with great success. The thesis was approved by Prof. Dr. G.P. Kiesmüller (Otto-von-Guericke University Magdeburg) and Prof. Dr. J. Marklund (University of Lund, Sweden). Besides the two referees, the following collegeaus joined the committee: Prof. Dr. K. Inderfurth, Prof. Dr. J. Ehmke and Prof. Dr. E. Lukas.

Danja Sonntag and committee

• Handover of the GOR Bachelorpreis: On the 18^th of November G.P. Kiesmüller awarded the GOR-Bachelorpreis to Mike Kluska. He wrote his Bachelor Thesis at the chair of Operations Management. The topic of his Thesis was „Verfahren zur Reihenfolgeplanung bei der Werkstattfertigung“. This prize is awarded for outstanding achievements in the field of Operations Research. The price includes a one-year membership in the GOR (Gesellschaft für Operations Research).

Mike Kluska and Prof. G. P. Kiesmüller

• Workshop with young scientists: On 2^nd of November G.P. Kiesmüller gave a presentation about research and publication stragegies at a workshop for junior scientists organized by the VHB (Verein der Hochschullehrer für Betriebswirtschaft).

• Start of the new study program ORBA: In October the new international study program Operations Reserach & Business Analytics (ORBA) has started at the faculty of economics and management. The first students have already arrived in September in Magdeburg and Prof. J.F Ehmke and Prof. G.P Kiesmüller welcomed the new students. We wish all students a succesfull semester!

The first students of the international study program ORBA, Prof. G.P Kiesmüller and Prof. J.F Ehmke.

• Prof. Raik Stolletz in Magdeburg: On 28^th and 29^th September Prof. Raik Stolletz from the University of Mannheim visited the team of the chair of Operations Management and gave a presentation on "The buffer allocation problem: state of the art, challengesand solutions". A joint research project is planned.

Prof. G.P Kiesmüller and Prof. Raik Stolletz

• Logistik Management Tagung: Danja Sonntag presented her research at the Logistics Management Conference which took place from 20^th to 22^nd September in Stuttgart. She was answering the research questions "Investing into quality inspections or reducing the yield variability". 

Danja Sonntag at the Logistics Management Conference

• Doktoral Workshop in Gent: Christoph Rippe and his supervisor G.P. Kiesmüller were invited to participate in the twelfth edition of the International Workshop on Cutting, Packing and Related Topics (IWCPRT) which was organized by the KU Leuven in Gent (10^th September to 13^th September). Christoph Rippe presented his research on the repair kit problem.

• Swedish guest visited the chair of Operations Management: In the week from 28^th of August to 1^st of September Lina Johansson from the University of Lund (Sweden) visited the chair of Operations Management. The researchers from the University of Lund and from the Otto-von-Guericke University of Magdeburg are working together on a research project entiteld "Approximation Methods for Control of Divergent Inventory Systems with Time Based Shipment Consolidation and Compound Poisson Demand".

• ISIR Summerschool in Vienna: This year the PhD Summerschool of the International Socienty of Inventory Research took place at the University of Economics and Business in Vienna from 21^st to 25^th August. Christopher Rippe presented his research on the repair kit problem and Julia Zimmermann gave a presentation on the impact of process variability on the joint determination of buffer size and spare parts inventory for manufacturing systems. Additionally, Grundun Kiesmüller gave a presentation on safety stocks in inventory production systems with random demand and random yield. 

• Scientific colloquium at FWW: G.P Kiesmüller and her team organized the scientific colloquium on the occasion of the 65^th birthday of Prof. Dr. Gerhard Wäscher. On June 23^rd, 2017, about 50 colleagues, researchers and experts in the field of Operations Research came together for scientific presentations and discussions. As speakers we could welcome Maria Antónia Carravilla and José Fernando Oliveira (University of Porto), Ramón Alvarez-Valdés (University of València), Brigitte Werners (Ruhr-Universität Bochum), Christian Bierwirth (MLU Halle-Wittenberg) and Richard F. Hartl (University of Vienna).

The participants of thescientific colloquium.

• Doctoral workshop DoWoNo in Breklum: The operations management team, G.P. Kiesmüller, D. Sonntag, J. Zimmermann and C. Rippe, participated in the 19^th DoWoNo (Doctoral workshop northeast) that took place in Breklum from 11.05-13.05.2017. D. Sonntag presented her ongoing research on “Approximation methods for control of divergent inventory distribution systems with time based shipment consolidation”.  J. Zimmermann gave a presentation entitled “Simultane Pufferdimensionierung und Ersatzteillagerplanung für ein unzuverlässiges Zwei-Maschinen-Reihenfertigungssystem”. Both presentations were very well received.

• Visit at TU Eindhoven: Prof. Kiesmüller visited the Technical University in Eindhoven (20.03. - 24.03.2017) for a joint research project with Prof. A.G. de Kok and Prof. Z. Atan. She also gave a presentation on "The Influence of Spare Parts Provisioning on Buffer Size in a Production System".

• Seminar in Wittenberg: This term the seminar for students of the specialisation Operations Management and Logistics took place at the Leucora in Wittenberg on 19. and 20. January 2017. Students were presenting and discussing problems occuring in bike- or car-sharing systems.

The participants of the seminar in Wittenberg.