Kaj Holmberg

Publications

2023

Roghayeh Hajizadeh, Kaj Holmberg (2023) Lagrangian relaxation for the urban snow removal problem (Report) https://dx.doi.org/10.3384/LiTH-MAT-R-2023-04

Roghayeh Hajizadeh, Kaj Holmberg (2023) In search of good relaxations for the urban snow removal problem (Report) https://dx.doi.org/10.3384/LiTH-MAT-R-2023-03

2022

Roghayeh Hajizadeh, Kaj Holmberg (2022) Urban snow removal: Tree elimination (Report)

Roghayeh Hajizadeh, Kaj Holmberg (2022) The Non Zealous Snow Remover Problem (Report)

2021

Roghayeh Hajizadeh, Kaj Holmberg (2021) Coordination of vehicles in urban snow removal (Report)

Organisation

Applied Mathematics (TIMA)

Applied mathematics is used to study advanced methods for modeling in technology as well as natural and social sciences. The division conducts research in computational mathematics, mathematical statistics and optimization.

Department of Mathematics (MAI)

The department conducts research in computational mathematics, mathematics and applied mathematics, mathematical statistics, and optimization. We provide courses to students in most degree programmes in mathematics, science and engineering.

About LiU

Linköping University, LiU, offers innovative education and boundary-crossing research. The students are among the most desirable in the labour market and international rankings consistently place LiU as a leading global university.

News

Optimizing of snow removal in cities

Researchers at the Mathematics Department of Linköping University have developed a mathematical model on how snow removal can be optimized in Swedish cities.

The will of the people – how seats will be distributed fairly

In democratic elections, the number of seats in parliament is to be proportionate to the number of votes. However, that is not the case. An optimisation model has been developed at LiU, one which gives a better reflection of the will of the people.

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