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Time-frequency representations (TFR) typically suffer from resolution problems due to the uncertainty principle. This can lead to loss of information if signals are too close in time or frequency, or if they have significantly different energies. Methods addressing these issues and which can be used in tandem with the typical spectrogram or scalogram have been developed throughout the years. The r
Bakgrund: Många personer med transerfarenhet önskar logopediskt stöd för att utveckla röst och kommunikation i könsbekräftande syfte. Beteendeinriktad könsbekräftande röstträning har lovande, men ännu svag evidens. De senaste åren har målgruppens mångsidiga behov uppmärksammats alltmer i forskning, liksom individens hela kommunikativa situation, inklusive röst- och kommunikationsrelaterad hälsa. K
In today's world, marked by frequent and diverse disruptions, supply chain resilience has become a key consideration in strategic planning. This is particularly true in the automotive industry, where lean practices, globalization, and complex supplier networks increase vulnerability. This thesis explores how three major automakers - Toyota, Volkswagen, and General Motors - navigated significan
This study was conducted in collaboration with Air Liquide France Industry and investigates one of the production lines of the company.The quality of gas cylinders must be assessed every 10 to 15 years for safety reasons. The line studied in this study evaluates the quality of cylinders by both a visual inspection and a hydraulic pressure test. As awareness of the environmental impact of such larg
We introduce and discuss unitary equivalence of operators in the Cowen-Douglas class $B_n(\Omega)$. We prove that operators in the Cowen-Douglas class are unitarily equivalent if and only if there exists a holomorphic matrix $M$ which satisfies $\tilde K_\lambda(z)=M(z)K_\lambda(z)M(\lambda)^*$ for the spaces' kernels. We use this to establish that $\Delta_\lambda\log\lvert\lvert k_\lambda\rve
To characterize ultrashort laser pulses, several techniques have been proposed. One of the more simple and robust techniques is the dispersion scan (d-scan). The d-scan technique is capable of retrieving the spectral phase from a measurement of the second-harmonic spectrum, while the dispersion of the pulse is varied. Regardless of the advantages of traditional d-scan, a measurement with a scannin
Based on current climate data both drought intensity and frequency is expected to increase. Soil microbes react in a variety of ways to drought-imposed stresses, with only a fraction surviving until wetter conditions return. As drought ends and rain returns, these microbial communities respond with an associated pulse in soil CO2-emissions called the Birch effect. Understanding soil microbial resp
Byggbranschen är i dagsläget en av de störst bidragande faktorerna till utsläpp av fossila bränslen i Sverige och besitter en stor utvecklingspotential beträffande reducering av klimatpåverkan. En byggnads klimatpåverkan under en livscykel kan beräknas genom metoden livscykelanalys, som inkluderar en produkts, eller i detta fall en byggnads, klimatpåverkan från råvaruutvinning till avfallshanterinThe construction industry is currently one of the largest contributing sources to carbon dioxide emissions in Sweden and has great development potential in reducing its climate impact. Since January 2022, the Swedish government requires a declaration of the climate impact of each recently constructed building. To calculate the climate impact of a building, the life cycle assessment tool is used, a
This essay examines whether ontological vagueness can coherently resolve Peter Unger’s "The Problem of the Many" — the dilemma that ordinary objects like clouds or stones must either not exist or exist in overwhelming multiplicity due to their indeterminate boundaries. While Unger rejects vague objects as incoherent, attributing vagueness instead to semantic imprecision, this essay defen
For decades, entrepreneurs faced the same trade-off: either pursue cost leadership and grow fast through various scaling strategies or pursue differentiation strategies by emphasizing personalization of their services to customers. Nevertheless, the situation has changed when new technologies such as artificial intelligence, rising computing power, digitization of firms, or cloud services started
Title: Who’s in Charge?: The Board’s Role in Regional & Community Banks’ Financing Choices Seminar date: June 2nd, 2025 Course: BUSN79 - Degree Project in Accounting and Finance Authors: Krystian Segura and Lazarin Lashkov Supervisor: Reda Moursli Key words: Board Independence, Board Age, Board Diversity, Capital Structure, Leverage, Regional and Community (R&C) Banking Purpose: The
Our work is to study the phase behaviour of monoclonal antibodies (mAbs). Subcutaneous injection of monoclonal antibodies is the preferred administration, which requires high concentration formulations. However, monoclonal antibodies may undergo aggregation, reversible self-assembly and liquid-liquid phase separation at high concentrations which lead to problems in the formulation and may trigger
In the modern chemical industry heat and energy integration is crucial for optimizing process efficiency and increasing economic viability and environmental sustainability. By strategically recovering and reusing heat and energy within the plant, industries can significantly decrease their reliance on external energy sources, leading to costs saving and a smaller carbon footprint. One of the late
This disquisition explores the possibilities to install a battery storage situated in a gasturbineplant to enable a start up of the gasturbine in the case of a powerfailure. Since powerfailures are rare, the battery will mostly and to a large extent be unused, this creates an economic dilemma. Uniper has taken in and recieved a tender which includes and discribes a battery with a larger storage sy
Head-mounted mixed reality devices are making their way into airline pilot training. Devices that use passthrough video hold much promise but come with caveats. Because current generation passthrough video devices occlude natural light, users rely entirely on a digital video feed that lacks the visual fidelity and field of view of the unaided human eye. The application of head-mounted extended rea
Organizational Commitment (OC), which describes an individual’s psychological attachment to an organization, is a central component in organizational behavior research. This study examines the impact of perceived organizational values, personal values, organizational support, positive leadership, and job autonomy on OC and its three components: affective, normative, and continuance commitment. Dra
This thesis explores the effect on neonatal, post-neonatal, and child mortality of being a motherless child and the interaction this situation had with socio-economic status and gender in Sweden during the period 1790-1910. Using a longitudinal, individual level, database (SwedPop), covering large parts of the Swedish population, together with a Cox proportional hazards model, this study finds tha
This study explores the use of Large Language Models (LLMs) to automate sustainability reporting in accordance with the European Sustainability Reporting Standards (ESRS). Given the increasing complexity and regulatory demands of sustainability reporting, organizations face significant challenges connected to their reporting processes. To evaluate the potential of LLMs in addressing these challeng
This thesis examines customer satisfaction within IKEA's support services in Sweden and Great Britain by analyzing customer feedback data. It explores the intersection of anthropology and computational social science, contributing to the growing field of computational anthropology. The study identifies recurring themes in customer comments by employing a mixed-methods approach that combines co
