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This study explores the relationships between voltage, temperature, and consumed life in silicon carbide (SiC) MOSFETs using symbolic regression as a data-driven tool for deriving interpretable equations. The data comes from an accelerated life-time test performed by RISE. The symbolic regression model was implemented using the open source program ”PySR”. Since real experimental data were used, cl
The rise of AI is leading to paradigm shifts in every sector of modern society, including the military. One concerning change is the increase in the development, testing, and deployment of autonomous weapons systems (AWS), which utilise modern AI without adequate controlling regulation or governance. This thesis explores what it means to have control of AWS and whether it is possible to effectivel
Aortic valve stenosis is a common congenital heart defect among children. In affected patients, the normal tricuspid valve structure is malformed into a bicuspid valve structure due to a fusion at one commissure. A common treatment is transcatheter balloon valvuloplasty, where a balloon is inserted through the aortic valve and inflated to mechanically tear the fused region, restoring a tricuspid s
In this thesis, an experimental scheme to probe deformations to Heisenberg's uncertainty relation between position and momentum for an object of mass similar to the Planck mass is designed. This will allow experimental bounds to be put on deformation parameters for three different models proposed to explain quantum gravity. The scheme is based on existing ideas to couple a micron-sized harmoni
Examensarbetets titel: Krisens språk: Svenska storbankers redovisningskommunikation under finanskrisen 2008 Seminariedatum: 16 januari 2025 Kurs: FEKH69, Examensarbete i redovisning på kandidatnivå, 15 högskolepoäng Författare: Axel Agardh, Erik Bjurwill och Melvin Rune Handledare: Niklas Sandell Nyckelord: Finanskris, redovisningskommunikation, accountteori, framing, storytelling Forskningsf
Fracture-mechanics-based avalanche failure modeling offers a promising approach for predicting slope-specific snow stability, as opposed to broader regional avalanche danger levels. Understanding slab avalanche failure through weak layer collapse, governed by both material strength and toughness, is rooted in the coupled criterion proposed by Leguillion. This thesis implements a novel algorithm to
Sammanfattning Titel: Nyckeltalen som Nycklar till Avkastning - En empirisk analys av sambandet mellan finansiella nyckeltal och avkastning på Stockholmsbörsen Seminariedatum: 16 januari 2025 Ämne/Kurs: FEKH89, Examensarbete i Finansiering på kandidatnivå Författare: Nikita Atanasovski, Albin Degrér, Pontus Klingberg Handledare: Maria Gårdängen Nyckelord: Finansiella nyckeltal, Aktieavkastni
Waste picking is a means of survival for thousands of individuals in Istanbul and together the city’s waste pickers make a substantial contribution to the recycling sector. However, they have struggled to gain recognition as recycling providers and have suffered from legislation criminalizing their source of livelihood. 2022 marks a shift where a new regulation was adopted, allowing waste pickers
Through the tight link between plants and their pollinators, plant species often decline when their pollinators decline and vice versa. These nominal declines are well studied for many plant-pollinator networks. Less well known is the effect that the decline of a plant species has on the behaviour of its pollinators, and how potential changes in pollinator behaviour affect the reproductive success
Land-use change is one of the main drivers of pollinator declines. However, studies on land-use changes in forest landscapes and their effects on pollinators are underrepresented. Canopy openings with flowering resources and old-growth forest structures can provide sufficient habitats for pollinating insects such as bees (Apiformes) and longhorn beetles (Cerambycidae). However, managed forests are
In this study, the lanthanide complexes Sm(HMDS)2 (1), Yb(HMDS)2 (2), Sm(Cp*)2 (3), and Yb(Cp*)2 (4) were synthesized, and a new polymorph of 2 was identified via single- crystal X-ray diffraction (sc-XRD). Additionally, the previously unreported Yb(III) compound [YbI2(OPPh3)4]I was discovered as a probable disproportionation product of YbI2(OPPh3)4 and characterized via 31P{1H} NMR spectroscopy a
The chemical industry is particularly resource-intensive, consuming a substantial portion of petroleum resources and significantly contributing to greenhouse gas emissions. Consequently, there is an urgent need to explore sustainable alternatives. Biomass has emerged as a promising renewable resource. The dehydration of biomass-derived carbohydrates has proven to be an effective method, producing
Med 2024 officiellt uppmätt som det varmaste året hitills är klimatförändringarna och behovet av att minska utsläppen är mer aktuella än någonsin. Sveriges viktigaste uppgift i denna utmaning är att effektivt elektrifiera sina två största källor till koldioxidutsläpp: industrin och transportsektorn. Dessa två sektorer står tillsammans för hela 65 % av landets utsläpp. Elektrifieringen förväntas leThere is an urgent need to reduce CO2 emissions in Sweden, primarily caused by industry and the transport sector, which together accounted for nearly 65% of the country's total CO2 emissions in 2023. A key solution to this challenge is the rapid and effective implementation of green electrification, which involves transitioning industry and transportation to electricity and electricity-based f
Denna studie syftar till att undersöka sambandet mellan könsmångfald i styrelsen och utdelningsnivåer, med hjälp av data från 70 icke-finansiella börsnoterade företag i Danmark, Finland och Sverige mellan 2014 och 2023. Studien använder en dynamisk fixed effects-regressionsmodell med ett till två års släpande effekter. Data om styrelsesammansättning samt företagsspecifika variabler för 70 icke-finThis study aims to investigate the relationship between board gender diversity and dividend payouts, using data from 70 non-financial companies in Denmark, Finland and Sweden from 2014 to 2023. Using a dynamic fixed effects regression model with one and two lags, we analyze whether board gender diversity significantly affects dividend payout. We collect board- and firm-specific data from Eikon for
Abstract Title: SPAC-tacular returns? - A quantitative study on the short-term abnormal returns in the Technology and Healthcare Sectors following SPAC-IPOs. Seminar Date: 01/17/2025 Course: FEKH89 - Bachelor's Thesis in Corporate Finance Authors: Fredric Vincent Ihr; Lukas Kukavica; Sam Moein Supervisor: Maria Gårdängen Keywords: SPAC; Sponsors; Abnormal return; IPO; Merger. Purpose: The stud
Statistik visar att diskriminering på arbetsplatser och på arbetsmarknaden är ett vanligt förekommande fenomen. HR-yrket präglas av låg representation av personer födda utanför Norden och är dessutom starkt kvinnodominerat. Syftet med denna uppsats är att undersöka hur HR-professionella med etnisk minoritetsstatus, i kombination med andra identitetsaspekter, upplever och hanterar utmaningar i sitt
Prefabricated buildings were popularized in Eastern Europe due to a high demand for new housing after the World War II. They were based on the principles of modernism and are characterized by their large scale and being made of manufactured, concrete elements. In addition, the buildings were deprived of artistic elements, altogether resulting in them being monotonous and repetitive. They are locat
This project was completed in collaboration with the graph database company Neo4j with the aim of developing a new algorithm for automatic detection of software bugs that degrade system performance, commonly referred to as performance regressions in the industry. Due to the large number of benchmarks used to monitor different aspects of the product environment, a flexible and robust solution was n
Digitization has not only changed the way societies store and share information, but also the view of media. With increasingly portable and accessible technologies, the conditions for the production and distribution of media are changing. The digital has been interpreted in many ways, both as a loss and as something new. A recurring question is what visibility and freedom the digital gives individ
