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Doctoral theses

All published doctoral theses are available for free in the databas DiVA at Umeå University.

DiVA database

New thesis at the Faculty

Methods to handle troublesome operator functions

2018-01-15
Operator functions are used to describe many important processes in science. When things like friction are included in the models, it often results in operator functions that are so-called non-selfadjoint operator functions, which complicates the analysis of them. Axel Torshage presents methods to h...

Traces of historical reindeer grazing can still be observed after 100 years

2017-12-11
With the holiday season around the corner, most people may first think of reindeer as Santa Claus' trusted helpers. But it turns out that reindeer are not only good at pulling Santa's sleigh; they can also teach us important lessons about the functioning of ecosystems. By studying small meadows in t...

Intelligent algorithms can help reduce disruptions in online services

2017-12-04
When the Swedish Tax Agency website went down for nearly two days, thousands of people across Sweden were left frustrated. Users of Gmail, Slack, Facebook, Apple services, and other popular services also regularly experience delays and this type of disruptions. Olumuyiwa Ibidunmoye has developed aut...

Enzymes from dangerous bacteria turn into important tools for protein chemistry

2017-10-30
Philipp Ochtrop from Umeå University has worked on a project to turn the two enzymes AnkX and Lem3 from the disease causing bacteria Legionella pneumophila into a valuable tool for the chemical modification of proteins. This new approach for protein functionalization can enable scientists to investi...

Improvements of forwarder crane – better performance and comfort

2017-10-23
Semi-automation functions applied for forwarder cranes will improve operator performance, while vibration reduction can increase operator comfort. Szabolcs Fodor defends the results in his thesis at Umeå University on the 27 October.

The chemistry of plants facing multiple stress scenarios

2017-05-30
All living organisms harbour complex chemical networks inside their cells. The sum of all these chemical reactions is the driving force of life and is called metabolism. In his thesis work, Stefano Papazian at Umeå University, studies how plants adapt their metabolic networks to respond to different...

Pathogenic bacteria train their defence in lakes and oceans

2017-05-04
Peter Mathisen at Umeå University has found links between the aquatic environment and the spreading of diseases such as tularaemia. The results indicate that aquatic environments act as “gyms” for bacteria, where the presence of predators train their defence against being killed and eaten up. The re...

Supercharging the computers that might save the world

2017-05-04
Computer scientist Gonzalo Rodrigo at Umeå University has developed new techniques and tools to manage high performance computing systems more efficiently. This in an effort to comply with the increasing demand to handle large amounts of data within research and allowing for advance simulations.

Run Faster! Be Stronger! Can technology make you better?

2017-03-13
Technological growth is moving at a rate never seen before — and as it advances, it simultaneously shrinks, moving closer to our bodies, intertwining with the many facets of our lives and positions itself between our experiences of the physical environments around us. When utilizing these technologi...

Northern lakes respond differently to nitrogen deposition

2017-02-06
Nitrogen deposition caused by human activities can lead to an increased phytoplankton production in boreal lakes. The response of boreal lakes to nitrogen deposition will strongly depend on each lake’s content of organic carbon, which are predicted to increase with future warmer and wetter climate. ...


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