Filetype
The chirality-flow formalism has proven to simplify the calculations of helicity amplitudes to the extent that the matrix element corresponding to a Feynman diagram can immediately be written down. It has also shown to speed up the computation of scattering amplitudes through numerical implementations in MadGraph5_aMC@NLO. In this thesis we investigate if automated computation of amplitudes can be
The purpose of this study is to investigate how structural barriers and integration policies affect-skilled African immigrants in the Swedish labor market. A qualitative narrative review of 31 studies-was conducted and analyzed using social capital theory. The first part of the study explores how-current integration policies and programs address the needs of this group. The second part examines-th
Air pollution is a global problem that causes major impacts on health and the environment. To protect the environment and health, the European Union has been implementing revised poli-cies on air quality. The revised Ambient Air Quality Directive introduces stricter air quality standards. The aim of this study is to identify Swedish municipalities where the new and exist-ing air quality standards
The event generator PYTHIA can be used to simulate the hadronic part of cosmic particle showers in the atmosphere. Until now, the collision between particles and atmospheric nuclei has been modeled in a simplified way by the PythiaCascade add-on, approximating the nuclear effects. However, at present it is possible to include the Angantyr module, which constructed a detailed description of the nuc
Traditionally, radio communication research has focused on improving range and data transmission rates. Over the past decade, there has been a growing demand for small devices that should be able to interact with each other, and to facilitate this growth, low-cost and low-power radios are necessary to ensure devices are able to function for extended periods of time without maintenance. This thesis
This thesis investigates the European Union’s Carbon Border Adjustment Mechanism (CBAM) as a novel intersection between climate regulation and international trade law. It explores the extent to which CBAM serves as a legitimate environmental measure under EU and World Trade Organization (WTO) legal frameworks or whether it risks functioning as a de facto instrument of protectionism. This is partic
A biographical ideology-analysis of Sven Arvid Flory’s diaries, 1932‒1941. This study follows the diaries of the Swedish officer Sven Arvid Flory from 1932 through 1941, analysing the political and personal notes made and relating them to broader frameworks of ideology. First impressions of the material hinted at nazi sympathies. The study then focused on these ideological aspects of the diaries,
This thesis investigates the structural, social, and spatial factors shaping women’s spatial mobility in Gothenburg, Sweden. Employing a quantitative approach grounded in relational spatial theory, the developed method combines quantitative regression analysis with a case study on two neighbourhoods to examine how gender inequalities, domestic responsibilities, labour force participation, and ethn
The growing demand for sustainable and functional plant-based protein sources has positioned yellow pea (Pisum sativum) as a promising candidate in the development of next-generation food products. From a sustainability perspective, yellow pea fermentation represents an environmentally favorable protein source compared to animal derived alternatives. The nitrogen fixing capacity of yellow pea furt
Current trends in hardware design have led to a growing interest in parallel-in-time (PinT) methods for increasing parallelism in numerical solvers for partial differential equations (PDEs). In this thesis, we consider the Multigrid Reduction in Time (MGRIT) algorithm (Falgout et al.) for linear parabolic PDEs. We provide a description of the algorithm, as well as a derivation of the error propaga
Purpose: The purpose of this thesis is to investigate the effects of the announcement and implementation of the EU’s Corporate Sustainability Reporting Directive (CSRD) on ESG scores and individual pillar scores of firms. Furthermore, this thesis investigates the impact of firm ESG scores on firm performance. Methodology: This thesis uses Difference-in-Differences and Regression Discontinuity De
This study investigated the influence of various native and modified starches on the quality and staling behaviour of gluten-free bread. Four starch types: native wheat starch, cross-linked tapioca starch, fractionated native potato starch (FPS), and acetylated potato starch (Amylacetate) were evaluated by incorporating them into a standardized gluten-free bread formulation as the main starch sour
The transition to renewable energy is a critical element in global efforts to combat climate change. This study explores the decarbonization pathway for Peru’s energy sector, emphasizing renewable energy integration in the electricity generation sector. Peru's rich renewable resources—hydropower, wind, solar, geothermal and biomass—highlight its potential as a regional leader in sustainable en
In this thesis, initiated by Axis Communications, the material choice of a folded horn loudspeaker was investigated. The main goal of the project was to determine if it was possible to reduce the costs and environmental impact of the product by means of optimizing the material, while maintaining or improving its performance. The three main parameters which were analyzed were the acoustic performan
This thesis presents a way of representing electric and magnetic fields directly as linear combinations of products of components of Weyl spinors, without using a four-potential. First it is shown that when Lorentz transforming the spinors, these fields transform according to the tensor transformation of the electromagnetic fields. Then, by explicitly expressing the spinors in terms of a four-mome
This paper explores the Klein-Gordon equation, a relativistic wave equation. More specifically, it studies the free form of the equation, where the potential is set to zero. The partial differential equation, together with initial conditions, forms an initial value problem. The first goal of the paper is to derive the Green's function for the problem. This is done in several ways, using spectr
This thesis investigates what drives people to use credit-style Buy Now, Pay Later (BNPL) services, focusing on Klarna users in Sweden. Drawing on behavioral economics, it tests whether having a present-biased time preference (a strong preference for immediate rewards) can predict a person’s use of Klarna’s “Pay Later” and “Installments” features. To explore this, a cross-sectional survey (N =100)
This thesis examines the role of visual media in conveying the Gallic founding myth and constructing national identity in nineteenth-century France. Positioned at the interdisciplinary intersection of nationalism studies and memory research, it investigates how visual representations embed the Gallic founding narrative – despite its association with military defeat – into France’s collective memor
