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April 2016

SIGOPT Conference

6. April 2016 / 9:00 - 8. April 2016 / 13:00

The SIGOPT conference starts on Wednesday 6 April 2016 at 9:00 and ends Friday 8 April 2016 at lunchtime. It covers theory and practice in all branches of mathematical optimization, e.g.,Linear ProgrammingDiscrete and Combinatorial OptimizationNonlinear ProgrammingOptimal ControlStochastic ProgrammingMultiobjective ProgrammingApplication of Optimization in Real-World ProblemsOptimization on ManifoldsYoung researchers from all areas of optimization are especially encouraged to participate and to present their work. The conference will provide a good opportunity for exchanging ideas and for establishing contacts with colleagues in a…

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Official Opening of the ALOP RTG

8. April 2016 / 14:00 - 17:00

The official opening of the ALOP RTG will take place on Friday 8th April 2016 from 14:00 to approximately 17:00 o'clock in the E-Building at Trier University in Room HS 9.For the opening ceremony four prominent guest could be gainedProf. Dr. Michael Jäckel, president of Trier University Prof. Dr. Martin Endreß, dean of the department FB IV Prof. Dr. Volker Schulz, head of the ALOP RTGProf. Dr. Günter Leugering, keynote speakerAfter the talks a recpetions is given in room P3…

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ALOP-Colloquium with Serkan Gugercin

18. April 2016 / 16:00 - 18:00
Trier University – E-Building – HS 9, Universität Trier Gebäude E
Trier, Rhineland-Palatinate 54296 Germany
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On 18 April Serkan Gugercin from the College of Science at Virginia Tech will join the ALOP-Colloquium and present his recent work.

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Campus Research Dialogue 2016

21. April 2016 / 17:45 - 18:45
Trier University – A-Building – Room A9/10, Universitätsring 15
Trier, 54296 Deutschland
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The Research Training Group on Algorithmic Optimization will present its vision and goals within the yearly Campus Research Dialogue. The dialogue will be moderated by the vice-president and ALOP PI Prof. Dr. Georg Müller-Fürstenberger. The guests are Prof Dr. Volker Schulz, head of the research training group, and several PhD students funded by or associated with ALOP.

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May 2016

ALOP-Colloquium with Sven Krumke

9. May 2016 / 16:00 - 18:00
Trier University – E-Building – HS 9, Universität Trier Gebäude E
Trier, Rhineland-Palatinate 54296 Germany
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On May 9, 2016 Sven Krumke from the Technische Universität Kaiserslautern will join the ALOP-Colloquium and present his recent work. At 15:45 there will be a coffee hour in E10.  The presentation will take place in HS10 at 16:15.AbstractWe present a generalization of the fractional packing framework introduced by Garg and Koenemann (2007) that incorporates Megiddo's (1979) parametric search technique: Given a polyhedral cone that is finitely generated by a (possibly exponential-size) set of non-negative vectors and given an oracle…

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ALOP-Colloquium with Martin Berggren

23. May 2016 / 16:00 - 18:00
Trier University – E-Building – HS 9, Universität Trier Gebäude E
Trier, Rhineland-Palatinate 54296 Germany
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On May 23 Martin Berggren from the Department of Computing Science at Umeå University will join the ALOP-Colloquium and present his recent work. At 15:45 there will be a coffee hour in E10. At 16:15 the presentation will take place in HS10.AbstractA system involving acoustic or electromagnetic wave motion can often be characterized using anassociated balance law that involves an energy density, a power flux through surfaces, and various lossterms. Devices that guide such wave motion can be thought of…

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June 2016

ALOP-Colloquium with Immanuel Bomze

13. June 2016 / 16:00 - 18:00
Trier University – E-Building – HS 9, Universität Trier Gebäude E
Trier, Rhineland-Palatinate 54296 Germany
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On June 13, 2016,   Immanuel Bomze from the University of Vienna will join the ALOP-Colloquium and present his recent work. At 15:45 there will be a coffee hour in E10. At 16:15 the presentation will take place in HS10.Second-order local optimality conditions involving copositivity of the Hessian of the Lagrangian on the reduced (polyhedral) tangent conehave the advantage that there is only a small gap between sufficient (the Hessian is strictly copositive) and necessary (the Hessian is copositive) conditions. In this…

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ALOP-Colloquium with Felix Kuebler

20. June 2016 / 16:00 - 18:00
Trier University – E-Building – HS 9, Universität Trier Gebäude E
Trier, Rhineland-Palatinate 54296 Germany
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On June 20, 2016,  Felix Kuebler from the University Zurich, Institute of Banking and Finance will join the ALOP-Colloquium and present his recent work. At 15:45 there will be a coffee hour in E10. At 16:15 the presentation will take place in HS10.Recursive equilibria in dynamic economies with stochastic production (mit Johannes Brumm und Dominika Kryczka)In this paper, we prove the existence of recursive equilibria in stochastic production economies with infinitely lived agents and incomplete financial markets. We consider a general…

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Short Course on Reduced Order Work Models

21. June 2016 - 30. June 2016

Prof. Matthias Heinkenschloss with the Department of Computational and Applied Mathematics, Rice University in Houston, Texas is offering a short course on Reduced Order Work Models at Trier University on behalf of the Research Training Group on Algorithmic Optimization. The following is an outline of the short course:Many applications require the repeated solution of partial differential equations (PDEs) for different input parameters or even the solution of optimization problems governed by PDEs. These tasks can be computationally expensive, sometimes prohibitively expensive…

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ALOP-Colloquium with Peter Deuflhard

27. June 2016 / 16:00 - 18:00
Trier University – E-Building – HS 9, Universität Trier Gebäude E
Trier, Rhineland-Palatinate 54296 Germany
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On June 27, 2016,  Prof. Dr. Dr. h.c. Peter Deuflhard from the Université Pierre et Marie Curie (UPMC) will join the ALOP-Colloquium and present his recent work. At 15:45 there will be a coffee hour in E10.  At 16:15 the presentation will take place in HS10. THE GRAND FOUR.  Affine Invariant Newton Methods for Nonlinear Problems Four affine invariance classes (affine covariance, affine contravariance, affine conjugacy, affine similarity) for nonlinear problems lead to four different classes of adaptive Newton algorithms. Affine covariance applies…

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July 2016

ALOP-Colloquium with Andreas Brieden

4. July 2016 / 16:00 - 18:00
Trier University – E-Building – HS 9, Universität Trier Gebäude E
Trier, Rhineland-Palatinate 54296 Germany
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On July 4, 2016,  Prof. Dr. Andreas Brieden  from the Universität der Bundeswehr Münchenwill join the ALOP-Colloquium and present his recent work. At 15:45 there will be a coffee hour in E10. At 16:15 the presentation will take place in HS10.Polytope, Bionade und AntidepressivaDer hohe Stellenwert der Algorithmischen Optimierung (oder auch Mathematischen Optimierung bzw. Angewandten Algorithmischen Mathematik) erklärt sich nicht allein durch eine Fülle wertvoller theoretischer Resultate. Insbesondere ihr Beitrag bei der erfolgreichen Lösung einer Vielzahl von realökonomischen Herausforderungen unterstreicht ihre Bedeutung.…

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September 2016

Autumn School Algorithmic Optimization

19. September 2016 - 22. September 2016

The Autumn School 2016 of the RTG "Algorithmic Optimization" will introduce participants to the main ideas from various fields of mathematical optimization. Ranging from 1) PDE-constrained, 2) discrete and 3) multicriteria optimization to 4) optimization in statistics a broad overview will be provided. The autumn school will focus on recent algorithmic advances in these fields.

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ALOP Workshop: Reduced Order Models in Optimization

26. September 2016 - 28. September 2016

The ALOP Workshop "Reduced Order Models in Optimization" starts on Monday, September 26, 2016 at 9:00 and ends Wednesday, September 28, 2016 at 16:00.Reduced order models represent a growing research direction in the modeling, simulation and optimization of complex systems. During this workshop taking place in September 2016 as part of the Research Training Group “Algorithmic Optimization,” internationally known researchers will present their latest research results with a focus on particular aspects in the area of optimization.This workshop will grant…

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October 2016

ALOP Colloquium with Prof. Dr. Lars Grasedyck

4. October 2016 / 15:45 - 17:45
Trier University, E Building, Universitätsring 15
Trier, Germany
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On October 4, 2016,  Prof. Dr. Lars Grasedyck  from the RWTH University Aachen  will join the ALOP-Colloquium and present his recent work. At 15:45 there will be a coffee hour in E10. At 16:15 the presentation will take place in HS9.Hierarchical Low Rank Tensor Formats AbstractThe first part of this talk on hierarchical low rank formats starts with a general introduction to notions of rank in higher dimensions, namely Canonical Polyadic (CP), Tucker, TT and Hierarchical Tucker (HT) ranks and the…

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ALOP Colloquium with Prof. Dr. Harbir Antil

5. October 2016 / 15:45 - 17:45
Trier University, E Building, Universitätsring 15
Trier, Germany
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On October 5, 2016, Prof. Dr. Harbir Antil from George Mason University will join the ALOP-Colloquium and present his recent work. At 15:45 there will be a coffee hour in E10. At 16:15 the presentation will take place in HS10.Optimal control of fractional order PDEsAbstractDiffusion is the tendency of a substance to evenly spread into an available space, and is one of the most common physical processes. The classical models of diffusion lead to well-known equations. However, in recent times, it…

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ALOP Colloquium with Prof. Dr. Georg Pflug

24. October 2016 / 15:45 - 17:30
Trier University, E Building, Universitätsring 15
Trier, Germany
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On October 24, 2016,  Prof. Dr. Georg Pflug  from the University of Vienna  will join the ALOP-Colloquium and present his recent work:Multistage Stochastic Optimization: Approximation, bounds and ambiguityAbstractMultistage stochastic programs are - in contrast to two-stage programs - difficult variational problems for which solutions can be found only in exceptional cases. For this reason, we have to approximate them by easier programs. We show how a distance between these problems can be found by a variant of a transportation distance, which…

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November 2016

ALOP Colloquium with Prof. Dr. Maria Dolores Ugarte

7. November 2016 / 15:45 - 17:30
Trier University, E Building, Universitätsring 15
Trier, Germany
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On November 7, 2016,  Prof. Dr. Maria Dolores Ugarte  from the Universidad Publica de Navarra  will join the ALOP-Colloquium and present her recent work: Title:  Analyzing cancer mortality in small areas using Bayesian B-splines  Abstract: In recent years, models incorporating splines have been considered for smoothing risks in disease mapping.  Although these models are very fexible, they can be computationally demanding in certain cases. In this talk, several models including one, two, and three dimensional B-splines (penalized or un-penalized) are proposed…

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ALOP Colloquium with Dr. Benedikt Wilbertz

28. November 2016 / 15:45 - 17:45
Trier University, E Building, Universitätsring 15
Trier, Germany
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On November 28, 2016,  Dr. Benedikt Wilbertz will join the ALOP-Colloquium and present his recent work entitled Hot Topics in Machine LearningAbstractThe history of machine learning goes back to the late 50s, when the first perceptron models were created to build machines that lean from observations.It took until the mid 80s that Yann LeCun constructed a neural network which can be considered as the first production read application of modern machine learning.Since then, the field shifted its focus more towards…

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ALOP-Colloquium with Prof. Dr. Andreas Krause

30. November 2016 / 14:00 - 16:00
Trier University, E Building, Universitätsring 15
Trier, Germany
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On Wednesday, November 30, 2016,  Prof. Dr. Andreas Krause from the ETH Zurich will join the ALOP-Colloquium and present his recent work entitledSubmodularität und Machine Learning At 13:45 there will be a coffee hour in E-10. At 14:00 the presentation will take place in HS9.

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January 2017

ALOP-Colloquium with Prof. Dr. Armin Fuegenschuh

19. January 2017 / 16:15 - 18:00
Trier University, E Building, Universitätsring 15
Trier, Germany
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On Thursday, January 19, 2017,  Prof. Dr. Armin Fuegenschuh from the Helmut Schmidt Universitaet Hamburg will join the ALOP-Colloquium and present his recent work entitledDesign Issues for Magnetic Rulers We deal with the design of a magnetic ruler as an absolute positioning system. Trapezoid-shaped magnetic areas are placed side by side, so that the resulting pattern enables a unique encoding of each position up to a micrometer level. The problem of finding a longest-possible ruler from a set of elementary…

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