Essays about: "Jonatan"

Showing result 1 - 5 of 311 essays containing the word Jonatan.

  1. 1. If Trees Could Talk - Dendrochemistry, a Promising Method for Understanding Pollution History

    University essay from Göteborgs universitet/Institutionen för geovetenskaper

    Author : Jonatan Uusitalo; [2023-08-17]
    Keywords : ;

    Abstract : Heavy metal pollution presents a significant environmental challenge in the Anthropocene era, and understanding pollution history is crucial to address historical pollution and implementing effective mitigation measures. This study stands among a few comprehensive dendrochemical investigations that utilized an extensive dataset and energy dispersive X-ray fluorescence (EDXRF) technique to reconstruct the contamination history of As, Cd, Cu, Ni, Pb, and Zn, with a focus on Cu. READ MORE

  3. 2. How Management Control Systems Coordinate Action - Managing Grand Challenges Through Coordinated Flexibility

    University essay from Göteborgs universitet/Graduate School

    Author : Eric Öjstrand; Jonatan Larsson; [2023-07-04]
    Keywords : ;

    Abstract : This thesis investigates how management control systems may be used to coordinate action when organizations engage in grand challenges. As of writing, more and more corporations are encouraged to engage in grand challenges, yet, research on how management control systems are used in these instances are limited. READ MORE

  4. 3. Underpricing under Uncertainty: A comparative event study of the effects of Covid-19 restrictions on IPO underpricing

    University essay from Göteborgs universitet/Graduate School

    Author : Oscar Allgulander; Jonatan Tell; [2023-07-03]
    Keywords : Initial Public Offerings; IPOs; Covid-19; Underpricing; Information Asymmetry; Event Study;

    Abstract : This paper has studied underpricing of initial public offerings during the highly uncertain time of the Covid-19 pandemic. Sweden did not implement coercive strategies such as lockdowns compared to most other countries, which has given this study an unique opportunity to investigate how societal factors mitigating uncertainty have an impact on the IPO market. READ MORE

  5. 4. Network Orientation and Segmentation Refinement Using Machine Learning

    University essay from Linköpings universitet/Institutionen för medicinsk teknik

    Author : Michael Nilsson; Jonatan Kentson; [2023]
    Keywords : deep learning; semantic segmentation; orientation learning; road networks; retina networks;

    Abstract : Network mapping is used to extract the coordinates of a network's components in an image. Furthermore, machine learning algorithms have demonstrated their efficacy in advancing the field of network mapping across various domains, including mapping of road networks and blood vessel networks. READ MORE

  6. 5. Robust Statistical Jump Models with Feature Selection

    University essay from Lunds universitet/Matematisk statistik

    Author : Jonatan Persson; [2023]
    Keywords : Clustering; Jump; Feature selection; Robust; Mathematics and Statistics;

    Abstract : A large area in statistics and machine learning is cluster analysis. This field of research concerns the design of algorithms that allow computers to automatically categorize a set of observations into different groups in a reasonable way, without any prior information about which observations belongs to which group. READ MORE