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Sven Jäger
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Research assistant
Fakultät II - Mathematik und Naturwissenschaften
Institut für Mathematik, Sekr. MA 5-2
Technische Universität Berlin
Straße des 17. Juni 136
10623 Berlin
Germany
E-Mail: jaeger #at# math.tu-berlin.de
Tel.: +49 (0)30 314-21095
Fax: +49 (0)30 314-25191
Room: MA 511
Consultation hours: Tuesday 5:00 pm. Please send me an email before Tuesday noon in order to get the zoom link.
Teaching
| Summer 2021 | Computerorientierte Mathematik II (theoretical exercises) |
| Winter 2020/21 | Introduction to Linear and Combinatorial Optimization (ADM I) |
| Summer 2020 | Discrete Optimization (ADM II) |
| Winter 2019/20 | Introduction to Linear and Combinatorial Optimization (ADM I) |
| Summer 2019 | Discrete Optimization (ADM II) |
| Winter 2018/19 | Introduction to Linear and Combinatorial Optimization (ADM I) |
| Summer 2018 | Computerorientierte Mathematik II (programming exercises) |
| Winter 2017/18 | Computerorientierte Mathematik I (programming exercises) |
| Summer 2017 | Computerorientierte Mathematik II (theoretical exercises) |
| Winter 2016/17 | Computerorientierte Mathematik I (theoretical exercises) |
Curriculum Vitae
| Since July 2016 | Doctoral student with Martin Skutella, Technische Universität Berlin |
| 2013 - 2016: | Master studies in Mathematics and in Applied Computer Science at Georg-August-Universität Göttingen, Germany. |
| 2010 - 2013: | Bachelor studies in Mathematics and in Applied Computer Science at Georg-August-Universität Göttingen, Germany. |
| 2010: | Abitur at Hainberg-Gymnasium Göttingen |
Publications
| Citation key | Jaeger2018 |
|---|---|
| Author | Jäger, Sven |
| Pages | 505–509 |
| Year | 2018 |
| ISSN | 0167-6377 |
| DOI | 10.1016/j.orl.2018.07.006 |
| Journal | Operations Research Letters |
| Volume | 46 |
| Number | 5 |
| Month | September |
| Abstract | We present a (2+2 ln 2 + ε)-approximation algorithm for the classical nonpreemptive scheduling problem to minimize the total weighted completion time of jobs on identical parallel machines subject to release dates and precedence constraints, improving upon the previously best known 4-approximation algorithm from 1998. The result carries over to the more general problem with precedence delays and generalizes a recent result by Li (2017) for the problem without release dates or delays. |
| Citation key | Jaeger2018 |
|---|---|
| Author | Jäger, Sven |
| Pages | 505–509 |
| Year | 2018 |
| ISSN | 0167-6377 |
| DOI | 10.1016/j.orl.2018.07.006 |
| Journal | Operations Research Letters |
| Volume | 46 |
| Number | 5 |
| Month | September |
| Abstract | We present a (2+2 ln 2 + ε)-approximation algorithm for the classical nonpreemptive scheduling problem to minimize the total weighted completion time of jobs on identical parallel machines subject to release dates and precedence constraints, improving upon the previously best known 4-approximation algorithm from 1998. The result carries over to the more general problem with precedence delays and generalizes a recent result by Li (2017) for the problem without release dates or delays. |
Talks
- Approximating Total Weighted Completion Time on Identical Parallel Machines with Precedence Constraints and Release Dates MAPSP 2019 PDF, 292 KB
- Generalizing the Kawaguchi-Kyan Bound to Stochastic Parallel Machine Scheduling COW 2018, STACS 2018, ISMP 2018, BMS-BGSMath Junior Meeting 2019, FRICO 2019 PDF, 232 KB
- Gray codes and symmetric chains ICALP 2018 PDF, 381 KB
- On orthogonal symmetric chain decompositions EUROCOMB 2019 PDF, 449 KB
- Scheduling Stochastic Jobs with Release Dates on a Single Machine Dagstuhl Seminar Scheduling 2020 PDF, 457 KB
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