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February 2018

Writing Mathematical Texts in English

February 28 / 9:30 - 16:00

The Research Training Group on Algorithmic Optimization is offering a one-day workshop entitled Writing Mathematical Texts in English (instructor: Prof. Mirjam Dür) on Wednesday, February 28, 2018 from 9:30 - 16:00 in E 51.  

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March 2018

Retreat in Daun

March 1 - March 3

The Research Training Group plans its second retreat in Daun on the weekend of March 1 through March 3, 2018. The researchers will present their work during this retreat, followed by discussions and feedback from their advisors and fellow PhD students. Several team building events will also take place to complete the program.

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ALOP held its second retreat in Daun

March 1 - March 3

In order to further the individual research projects and improve the team building process, the Research Training Group Algorithmic Optimization (ALOP) spent three days at the Sporthotel Grafenwald in Daun. In addition to individual presentations by the PhD Students, the event included in depth discussions on scientific and organizational aspects. Furthermore, the RTG enjoyed a hike and an informative evening program which served to cultivate the pleasant team environment.

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Prof. Juan Vera and Olga Kuryatnikova of Tilburg University to visit in March

March 5 - March 6
Trier University, E Building, Universitätsring 15
Trier, Germany
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Prof. Juan Vera and Olga Kuryatnikova of Tilburg University are scheduled to visit the Research Training Group ALOP in March for research collaboration.   During their visit, they will speak on the following topics:   Copositive certificates of non-negativity (Prof. Juan Vera) Abstract: Sum-of-squares (sos) certificates of non-negativity, such as Putinar's Positivstellensatz, have been used to obtain powerful numerical techniques to solve polynomial optimization (PO) problems. Using such certificates, hierarchies of semidefinite relaxations are obtained for PO. Usually the use…

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April 2018

ALOP-Colloquium with Prof. Michael Günther

April 16 / 16:00 - 18:00
Trier University E Building, Universitätsring 15
Trier, 54296 Germany
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On Monday, April 16, 2018, at 16:00 Prof. Michael Günther of Bergische Universität Wuppertal will join the ALOP-Colloquium and present his recent work entitled Effiziente numerische Simulation multiphysikalischer Systeme Multiphysikalische Systeme werden oft durch Modelle beschrieben, die DAE-Netzwerkmodelle mit partiellen Differentialgleichungen über geeignete Randbedingungen und Quellterme koppeln. Nach Semidiskretisierung im Ort hat man es dann mit großen, gekoppelten DAE-Sytemen zu tun. In diesem Vortrag werden verschiedene Ansätze zu deren effizienter numerischer Simulation besprochen: Multirate-Verfahren und dynamsche Iteration.   The presentation…

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May 2018

ALOP-Colloquium with Kerstin Lux

May 7 / 16:00 - 18:00

On Monday, May 7, 2018, at 16:00, Kerstin Lux of Universität Mannheim will join the ALOP-Colloquium and present her recent work entitled "Optimal inflow control in supply systems with uncertain demands." Abstract: We are concerned with optimal control strategies subject to uncertain demands. They have a broad range of applications. Taking uncertainty into account becomes more and more important in many areas. In the context of supply chain management, a need for control strategies taking these uncertainties into account naturally…

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Research collaboration with Prof. Dr. Boris Khoromskij and Dr. Venera Khoromskaia

May 14 - May 25
Trier University E Building, Universitätsring 15
Trier, 54296 Germany
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Prof. Dr. Boris Khoromskij and Dr. Verena Khoromskaia of the Max-Planck-Institute für Mathematik in den Naturwissenschaften are scheduled to visit the RTG ALOP in May 2018 to discuss their recent research. Please check back for further details as they become available.

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ALOP-Colloquium with Prof. Partha Lahiri

May 14 / 16:00 - 18:00
Trier University E Building, Universitätsring 15
Trier, 54296 Germany
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On Monday, May 14, 2018, at 16:00,  Prof. Partha Lahiri of the University of Maryland College Park will join the ALOP-Colloquium and present his recent work entitled "Big data in official statistics." Abstract:  The demand for various socio-economic, transportation, and health statistics for small geographical areas is steadily increasing at a time when survey agencies are desperately looking for ways to reduce costs to meet fixed budgetary requirements.  In the current survey environment, the application of standard sample survey methods…

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June 2018

Short Course on Parallel Optimization Methods for Time Dependent Problems

June 5 / 8:30 - June 12 / 10:00
Trier University E Building, Universitätsring 15
Trier, 54296 Germany
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Prof. Matthias Heinkenschloss with the Department of Computational and Applied Mathematics, Rice University in Houston, Texas is offering a short course on Parallel Optimization Methods for Time Dependent Problems at Trier University on behalf of the Research Training Group on Algorithmic Optimization.  The course will consist of three lectures, with the tentative lecture schedule to follow soon. The lectures will take place on the following dates and times: Tuesday, June 5, 2018 at 8:30 c.t. in HS 10 Thursday, June…

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ALOP-Colloquium with Mehiddin Al-Baali

June 28 / 16:00 - 17:30

On Thursday, June 28, 2018, at 16:00 c.t. Prof. Mehiddin Al-Baali, Department of Mathematics and Statistics, Sultan Qaboos University, Muscat, Oman will present his recent work entitled  On the Damped Technique, Self-Scaling and their Combination when Introduced to the Broyden Family of Methods for Unconstrained Optimization Recently, we have extended the damped-technique in the modified BFGS method of Powell for constrained optimization to the Broyden family of quasi-Newton methods for unconstrained optimization. Appropriate choices for the damped parameter will be…

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