Väitöskirjat
Uusimmat aineistot
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Futures studies in software business : maintaining agility under uncertainty
Acta Universitatis Lappeenrantaensis : 1321 (Lappeenranta-Lahti University of Technology LUT, 19.10.2026)The rapid development of advanced software technologies, particularly generative AI and its convergence with other technologies, has significantly increased uncertainty in future business environments. It lowers barriers ... -
Advanced modelling of multiphase phenomena in energy transition technologies
Acta Universitatis Lappeenrantaensis : 1320 (Lappeenranta-Lahti University of Technology LUT, 16.10.2026)The mitigation of climate change requires the rapid development of energy transition technologies to reduce greenhouse gas emissions, enable carbon dioxide removal, and improve the efficiency of energy systems. Many of ... -
Development of a systematic multidisciplinary design process for high-speed electrical machines in turbomachinery applications
Acta Universitatis Lappeenrantaensis : 1317 (Lappeenranta-Lahti University of Technology LUT, 16.10.2026)The ongoing transformation of the energy sector requires the development of new technologies and technical improvements in energy conversion machinery, where electric machines are key components in the conversion between ... -
Photosynthetic microorganisms for nutrient removal and biomass valorization in a circular economy context
Acta Universitatis Lappeenrantaensis : 1310 (Lappeenranta-Lahti University of Technology LUT, 26.10.2026)The growing global population has intensified wastewater generation, leading to increased nutrient discharges into water bodies, including nitrogen (N) and phosphorus (P). These excess nutrients cause eutrophication and ... -
Repairing the circular economy : institutional pressures, market configurations, and circular business model innovation
Acta Universitatis Lappeenrantaensis : 1319 (Lappeenranta-Lahti University of Technology LUT, 07.10.2026)Repair and product longevity are increasingly promoted as central mechanisms of the circular economy (CE), yet their expansion does not necessarily produce a singular pathway towards circularity. Repair may be organized ... -
A Just socioecological transition : history, tensions and futures in Chile
Acta Universitatis Lappeenrantaensis : 1318 (Lappeenranta-Lahti University of Technology LUT, 23.10.2026)This dissertation examines the Just Socioecological Transition in Chile from the perspective of assemblage theory. In recent years, the governance of sustainability transitions has become a central concern among scholars, ... -
Silicon carbide based high-fundamental and switching frequency based inverters for high-speed drives
Acta Universitatis Lappeenrantaensis : 1311 (Lappeenranta-Lahti University of Technology LUT, 02.11.2026)The demand for high-speed electrical drives has grown significantly in application areas such as aerospace, electric transportation, micro gas turbines, fuel-cell compressors, and advanced industrial systems, where ... -
The role of carbon capture, utilisation and storage technologies in climate change mitigation
Acta Universitatis Lappeenrantaensis : 1316 (Lappeenranta-Lahti University of Technology LUT, 23.10.2026)The increasing concentration of atmospheric carbon dioxide, driven primarily by industrial activity and fossil fuel use, has made climate change mitigation one of the most urgent challenges of our time. Carbon capture, ... -
From head to heart and back again : cognitive and emotional dimensions of sensemaking among sustainability leaders
Acta Universitatis Lappeenrantaensis : 1314 (Lappeenranta-Lahti University of Technology LUT, 06.10.2026)As the horizon of the United Nations’ 2030 Agenda for Sustainable Development draws closer, interconnected ecological and social crises press with increasing urgency for transformations that must take root not only in the ... -
The idea of a better world as a click away : exploring digital platforms as enablers of user behaviour for social sustainability
Acta Universitatis Lappeenrantaensis : 1315 (Lappeenranta-Lahti University of Technology LUT, 09.10.2026)Sustainable development has gained prominence in policy and academic discourse, but progress toward its objectives remains uneven. The social pillar of sustainability, which covers equity, safety, participation, and community ... -
Score-based diffusion models in Bayesian inverse problems
Acta Universitatis Lappeenrantaensis : 1312 (Lappeenranta-Lahti University of Technology LUT, 21.09.2026)This thesis investigates the use of score-based diffusion models for Bayesian inverse problems, with a focus on high-dimensional imaging applications. After introducing relevant applications such as inpainting, computed ... -
A coordinate partitioning framework with iterative refinement for coupled multibody dynamics and hydraulic systems
Acta Universitatis Lappeenrantaensis : 1313 (Lappeenranta-Lahti University of Technology LUT, 25.09.2026)Real-time simulation of constrained multibody systems is challenging due to complex constraint networks and strong nonlinearities arising from coupled domains. In coordinate partitioning formulations, updating dependent ... -
On stakeholder dialectics in digital identity infrastructures
Acta Universitatis Lappeenrantaensis : 1308 (Lappeenranta-Lahti University of Technology LUT, 21.08.2026)This thesis studies change in identity management in the context of digital public service delivery. Identity management involves actors, processes and supporting technologies for the creation, management and use of digital ... -
Digital transformation for resilience and sustainable value creation: bridging the gap through resource commitment and dynamic supply chain capabilities
Acta Universitatis Lappeenrantaensis : 1309 (Lappeenranta-Lahti University of Technology LUT, 04.09.2026)Manufacturing supply chains face growing exposure to systemic disruptions, technological turbulence, and rising sustainability pressures, which challenge traditional assumptions of efficiency-driven supply chain design. A ... -
Femtosecond laser micromachining of Ni–Mn–Ga magnetic shape memory alloy
Acta Universitatis Lappeenrantaensis : 1307 (Lappeenranta-Lahti University of Technology LUT, 14.08.2026)Ni–Mn–Ga magnetic shape memory alloys (MSMAs) exhibit large magnetic-field-induced strain (MFIS) of ~6–12%, which is significantly higher than that of commonly used actuation materials such as piezoelectric and magnetostrictive ... -
Doppler-based passive radar for air traffic monitoring
Acta Universitatis Lappeenrantaensis : 1305 (Lappeenranta-Lahti University of Technology LUT, 14.08.2026)The human mind is curious about knowing what is going on in the world. This has been a driving force for last more than 100 years in radar development. Digital transformation and increased processing capability have opened ... -
Design and control of compact mechatronic systems based on magnetic shape memory alloys
Acta Universitatis Lappeenrantaensis : 1306 (Lappeenranta-Lahti University of Technology LUT, 14.08.2026)Magnetic shape memory (MSM) alloys offer unique actuation capabilities, combining large reversible strain, high power density and a fast response enabled by magnetically induced motion. These properties make MSM-based ... -
Trilogy of financial technology (fintech) integration for sustained usage, performance, and growth
Acta Universitatis Lappeenrantaensis : 1303 (Lappeenranta-Lahti University of Technology LUT, 30.06.2026)This doctoral thesis examines how the integration of Financial Technology (FinTech), encompassing mobile money, multichannel banking, and central bank digital currencies (CBDCs), collectively affects sustained usage, ... -
Emotional artificial intelligence via identity-free body language recognition and understanding
Acta Universitatis Lappeenrantaensis : 1299 (Lappeenranta-Lahti University of Technology LUT, 04.08.2026)Emotional Artificial Intelligence (EAI) refers to an Artificial Intelligence (AI) system’s ability to perceive, interpret, and respond to human emotions. EAI is essential for humancentered applications such as healthcare, ... -
Supporting sustainability design in agile software development
Acta Universitatis Lappeenrantaensis : 1304 (Lappeenranta-Lahti University of Technology LUT, 29.06.2026)Agile methodologies are widely utilized by a significant number of software companies, both in Finland and globally. With the introduction of the Sustainable Development Goals established by the United Nations, it is crucial ...
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