Elina Rönnberg

Discrete optimization as decision support

It is fascinating that mathematical models and algorithms can be used to compute and suggest a good choice when faced with a decision so complex that it is difficult for a human to grasp all aspects of it. For me, our research is about pushing the limits for when optimization can be of practical use, both with respect to how a problem is modelled, and through the development of efficient solution strategies. My research is within discrete optimization, with a special interest in decomposition methods, and the applications are mainly within scheduling and resource allocation.

Professional activities

Student theses

  • “A comparison of different models for sequencing of tasks in avionic scheduling” by Jessika Boberg, 2017. In collaboration with Saab.
  • “Minimization of data latency in off-line scheduling of periodic tasks” by Ariyan Abdulla and Erik Andersson, 2017. In collaboration with Arcticus Systems and Mikael Asplund, Department of Computer and Information Science (IDA).
 

- List of student theses in DiVA

- List of student theses not in DiVA (PDF)


Current teaching

  • Operations Research, Extended Course (TAOP37) for Industrial Engineering and Management, and Industrial Engineering and Management - International
  • Project - Applied Mathematics (TATA62) for Applied Physics and Electrical Engineering

Research domain

PhD students

Former PhD students

Yixin Zhao, 2012-2016

Publications

2017

Mathias Blikstad, Emil Karlsson, Tomas Lööw, Elina Rönnberg

A constraint generation procedure for pre-runtime scheduling of integrated modular avionic systems

Conference paper

2016

Yixin Zhao, Torbjörn Larsson, Di Yuan, Elina Rönnberg, Lei Lei

Power efficient uplink scheduling in SC-FDMA: benchmarking by column generation

Article in journal

Fred Mayambala, Elina Rönnberg, Torbjörn Larsson

Tight Upper Bounds on the Cardinality Constrained Mean-Variance Portfolio Optimization Problem Using Truncated Eigendecomposition

Conference paper

Yixin Zhao, Torbjörn Larsson, Elina Rönnberg

A Large Neighbourhood Search Principle for Column-Oriented Models: Theoretical Derivation and Example Applications

Conference paper

2015

Fred Mayambala, Elina Rönnberg, Torbjörn Larsson

Eigendecomposition of the mean-variance portfolio optimization model

Chapter in book

2014

Elina Rönnberg, Torbjörn Larsson

All-integer column generation: Basic principles and extensions

Article in journal