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  • Gradient Descent Methods for Training Neural Networks 

    Slettevold, Simon (Bachelor thesis, 2024)
    This thesis explore algorithms to optimize the training process of a neural network for deep learning purposes, where the focus will be on gradient descent algorithms such as SGD ("Stochastic Gradient Descent") and ADAM ...
  • Ripening of Capillary-Trapped CO2 Ganglia Surrounded by Oil and Water at the Pore Scale: Impact of Reservoir Pressure and Wettability 

    Singh, Deepak; Friis, Helmer André; Jettestuen, Espen; Helland, Johan Olav (Peer reviewed; Journal article, 2024-05)
    Mass transfer by Ostwald ripening can impact the life and volume of capillary-trapped CO2 in the subsurface. CO2 storage in depleted hydrocarbon reservoirs encounters various preferences for wetting of the porous rock, ...
  • Effect of annealing on the electrical resistivity of Kondo lattice CeRh2Ga2 

    Anand, Vivek Kumar; Adroja, Devashibhai; Adroja, Devashibhai; Aarti, Bhattacharyya; Lake, Bella (Peer reviewed; Journal article, 2024-04)
    CeRh2Ga2, which crystallizes in CaBe2Ge2-type primitive tetragonal structure (space group P4/nmm), is known to exhibit Kondo lattice heavy fermion behavior and is proposed to be a potential candidate for Weyl-Kondo semimetal ...
  • Shape Statistics via Skeletal Structures 

    Taheri, Mohsen (PhD thesis UiS; 781, Doctoral thesis, 2024)
    Statistical shape analysis has emerged as a crucial tool for medical researchers and clinicians to study medical objects such as brain subcortical structures. The insights gained from such analyses hold immense potential ...
  • In medium static quark anti-quark potential from lattice QCD 

    Parkar, Gaurang (PhD thesis UiS; 775, Doctoral thesis, 2024)
    In this thesis we present recent progress in the quest to study the properties of the quark gluon plasma in relativistic heavy ion collisions through a better understanding of the binding of heavy quark and anti-quark pairs ...
  • Importance of endocrine treatment adherence and persistence in breast cancer survivorship: a systematic review 

    Eliassen, Finn; Blåfjelldal, Vibeke; Helland, Thomas; Hjorth, Cathrine Fonnesbech; Hølland, Kari; Lode, Lise; Bertelsen, Bjørn-Erik; Janssen, Emiel; Mellgren, Gunnar; Kvaløy, Jan Terje; Søiland, Håvard; Lende, Tone Hoel (Peer reviewed; Journal article, 2023)
    Purpose Adjuvant endocrine treatment is essential for treating luminal subtypes of breast cancer, which constitute 75% of all breast malignancies. However, the detrimental side effects of treatment make it difficult for ...
  • Heart rate and QRS duration as biomarkers predict the immediate outcome from pulseless electrical activity 

    Norvik, Anders; Kvaløy, Jan Terje; Skjeflo, Gunnar Waage; Bergum, Daniel; Nordseth, Trond; Loennechen, Jan Pål; Unneland, Eirik; Buckler, D.G.; Bhardwaj, A.; Eftestøl, Trygve Christian; Aramendi, E.; Abella, BS.; Skogvoll, Eirik (Peer reviewed; Journal article, 2023)
    Introduction Pulseless electrical activity (PEA) is commonly observed in in-hospital cardiac arrest (IHCA). Universally available ECG characteristics such as QRS duration (QRSd) and heart rate (HR) may develop differently ...
  • Open-quantum-systems approach to in-medium heavy quarkonium dynamics 

    Rothkopf, Alexander Karl (Peer reviewed; Journal article, 2023)
    Heavy quarkonium continues to play a central role in the study of nuclear matter under extremes of temperature and density in relativistic heavy-ion collisions. In this talk I report on recent developments in the theoretical ...
  • An Investigation of Second-Order Finite Volume Methods for Field-scale Reservoir Simulation 

    Kvashchuk, Anna (PhD thesis UiS;, Doctoral thesis, 2024)
    This thesis focuses on improving the accuracy of numerical simulation of flow in subsurface reservoirs by using second-order finite volume methods. The first-order finite volume method, commonly used in reservoir simulation, ...
  • New tests for trend in time censored recurrent event data 

    Lindqvist, Bo Henry; Kvaløy, Jan Terje (Peer reviewed; Journal article, 2024)
    We consider testing for trend in recurrent event data. More precisely, for such data we consider testing of the null hypothesis of data coming from a renewal process. The new tests are essentially obtained by considering ...
  • Pulsar timing array stochastic background from light Kaluza-Klein resonances 

    Megías, Eugenio; Nardini, Germano; Quirós, Mariano (Peer reviewed; Journal article, 2023-11)
    We investigate the potential of the warped extradimension framework as an explanation for the recently observed stochastic gravitational background at nHz frequencies in pulsar timing arrays (PTA). Our analysis reveals ...
  • New tests for trend in time censored recurrent event data 

    Lindqvist, Bo Henry; Kvaløy, Jan Terje (Peer reviewed; Journal article, 2024-01)
    We consider testing for trend in recurrent event data. More precisely, for such data we consider testing of the null hypothesis of data coming from a renewal process. The new tests are essentially obtained by considering ...
  • Spectroscopy for asymmetric binary black hole mergers 

    Abedi, Jahed; Capano, Collin D.; Kastha, Shilpa; Nitz, Alexander H.; Wang, Yi-Fan; Westerweck, Julian; Nielsen, Alex Bentley; Krishnan, Badri (Peer reviewed; Journal article, 2023)
    Black hole spectroscopy is the proposal to observe multiple quasinormal modes in the ringdown of a binary black hole merger. In addition to the fundamental quadrupolar mode, overtones and higher harmonics may be present ...
  • Multimode Quasinormal Spectrum from a Perturbed Black Hole 

    Capano, Collin D.; Cabero, Miriam; Westerweck, Julian; Abedi, Jahed; Kastha, Shilpa; Nitz, Alexander H.; Wang, Yi-Fan; Nielsen, Alex Bentley; Krishnan, Badri (Peer reviewed; Journal article, 2023)
    When two black holes merge, the late stage of gravitational wave emission is a superposition of exponentially damped sinusoids. According to the black hole no-hair theorem, this ringdown spectrum depends only on the mass ...
  • Self-reported sleep fragmentation and sleep duration and their association with cognitive function in PROTECT, a large digital community-based cohort of people over 50 

    Aakre, Jon Arild; Schulz, Jörn; Ballard, Clive; Corbett, Anne; Bjorvatn, Bjørn; Aarsland, Dag; Creese, Byron; Hampshire, Adam; Brooker, Helen; Testad, Ingelin (Peer reviewed; Journal article, 2023)
    Objective Sleep is vital for normal cognitive function in daily life, but is commonly disrupted in older adults. Poor sleep can be detrimental to mental and physical health, including cognitive function. This study assessed ...
  • Thermalization of weakly coupled non-Abelian plasmas at next-to-leading order 

    Fu, Yu; Ghiglieri, Jacopo; Iqbal, Shahin; Kurkela, Eero Aleksi (Peer reviewed; Journal article, 2023)
    We employ the QCD kinetic theory, including next-to-leading(NLO) order corrections in coupling constant, to study the evolution of weakly coupled non-Abelian plasmas towards thermal equilibrium. For two characteristic ...
  • Fast and robust Bayesian inference using Gaussian processes with GPry 

    El Gammal, Jonas Elias; Schöneberg, Nils; Torrado, Jesús; Fidler, Christian (Peer reviewed; Journal article, 2023)
    We present the GPry algorithm for fast Bayesian inference of general (non-Gaussian) posteriors with a moderate number of parameters. GPry does not need any pre-training, special hardware such as GPUs, and is intended as a ...
  • Stochastic gravitational wave background from stellar origin binary black holes in LISA 

    Babak, Stanislav; Caprini, Chiara; Figueroa, Daniel G.; Karnesis, Nikolaos; Marcoccia, Paolo; Nardini, Germano; Pieroni, Mauro; Ricciardone, Angelo; Sesana, Alberto; Torrado, Jesús (Peer reviewed; Journal article, 2023)
    We use the latest constraints on the population of stellar origin binary black holes (SOBBH) from LIGO/Virgo/KAGRA (LVK) observations, to estimate the stochastic gravitational wave background (SGWB) they generate in the ...
  • Soft photon propagation in a hot and dense medium to next-to-leading order 

    Gorda, Tyler; Kurkela, Eero Aleksi; Österman, Juuso; Paatelainen, Risto; Säppi, Saga; Schicho, Philipp; Seppänen, Kaapo; Vuorinen, Aleksi (Peer reviewed; Journal article, 2023)
    We present the first complete calculation of the soft photon self-energy to the next-to-leading order in a hot and/or dense ultrarelativistic plasma in QED. The calculation is performed within the real-time formalism ...
  • Cosmology with the Laser Interferometer Space Antenna 

    Auclair, Pierre; Bacon, David; Baker, Tessa; Barreiro, Tiago; Bartolo, Nicola; Belgacem, Enis; Bellomo, Nicola; Ben-Dayan, Ido; Bertacca, Daniele; Besancon, Marc; Blanco-Pillado, Jose J.; Blas, Diego; Boileau, Guillaume; Calcagni, Gianluca; Caldwell, Robert; Caprini, Chiara; Carbone, Carmelita; Chang, Chia-Feng; Chen, Hsin-Yu; Christensen, Nelson; Clesse, Sebastien; Comelli, Denis; Congedo, Giuseppe; Contaldi, Carlo; Crisostomi, Marco; Croon, Djuna; Cui, Yanou; Cusin, Giulia; Cutting, Daniel; Dalang, Charles; De Luca, Valerio; Pozzo, Walter Del; Desjacques, Vincent; Dimastrogiovanni, Emanuela; Dorsch, Glauber C.; Ezquiaga, Jose Maria; Fasiello, Matteo; Figueroa, Daniel G.; Flauger, Raphael; Franciolini, Gabriele; Frusciante, Noemi; Fumagalli, Jacopo; García-Bellido, Juan; Gould, Oliver; Holz, Daniel; Iacconi, Laura; Jain, Rajeev Kumar; Jenkins, Alexander C.; Jinno, Ryusuke; Joana, Cristian; Karnesis, Nikolaos; Konstandin, Thomas; Koyama, Kazuya; Kozaczuk, Jonathan; Kuroyanagi, Sachiko; Laghi, Danny; Lewicki, Marek; Lombriser, Lucas; Madge, Eric; Maggiore, Michele; Malhotra, Ameek; Mancarella, Michele; Mandic, Vuk; Mangiagli, Alberto; Matarrese, Sabino; Mazumdar, Anupam; Mukherjee, Suvodip; Musco, Ilia; Nardini, Germano; No, Jose Miguel; Papanikolaou, Theodoros; Peloso, Marco; Pieroni, Mauro; Pilo, Luigi; Raccanelli, Alvise; Renaux-Petel, Sébastien; Renzini, Arianna I.; Ricciardone, Angelo; Riotto, Antonio; Romano, Joseph D.; Rollo, Rocco; Pol, Alberto Roper; Morales, Ester Ruiz; Sakellariadou, Mairi; Saltas, Ippocratis D.; Scalisi, Marco; Schmitz, Kai; Schwaller, Pedro; Sergijenko, Olga; Servant, Geraldine; Simakachorn, Peera; Sorbo, Lorenzo; Sousa, Lara; Speri, Lorenzo; Steer, Danièle A.; Tamanini, Nicola; Tasinato, Gianmassimo; Torrado, Jesús; Unal, Caner; Vennin, Vincent; Vernieri, Daniele; Vernizzi, Filippo; Volonteri, Marta; Wachter, Jeremy M.; Wands, David; Witkowski, Lukas T.; Zumalacárregui, Miguel; Annis, James; Ares, Fëanor Reuben; Avelino, Pedro P.; Avgoustidis, Anastasios; Barausse, Enrico; Bonilla, Alexander; Bonvin, Camille; Bosso, Pasquale; Calabrese, Matteo; Çalışkan, Mesut; Cembranos, Jose A. R.; Chala, Mikael; Chernoff, David; Clough, Katy; Criswell, Alexander; Das, Saurya; Silva, Antonio da; Dayal, Pratika; Domcke, Valerie; Durrer, Ruth; Easther, Richard; Escoffier, Stephanie; Ferrans, Sandrine; Fryer, Chris; Gair, Jonathan; Gordon, Chris; Hendry, Martin; Hindmarsh, Mark; Hooper, Deanna C.; Kajfasz, Eric; Kopp, Joachim; Koushiappas, Savvas M.; Kumar, Utkarsh; Kunz, Martin; Lagos, Macarena; Lilley, Marc; Lizarraga, Joanes; Lobo, Francisco S. N.; Maleknejad, Azadeh; Martins, Carlos Jose Amaro Parente; Meerburg, P. Daniel; Meyer, Renate; Mimoso, José Pedro; Nesseris, Savvas; Nunes, Nelson; Oikonomou, Vasilis; Orlando, Giorgio; Özsoy, Ogan; Pacucci, Fabio; Palmese, Antonella; Petiteau, Antoine; Pinol, Lucas; Zwart, Simon Portegies; Pratten, Geraint; Prokopec, Tomislav; Quenby, John; Rastgoo, Saeed; Roest, Diederik; Rummukainen, Kari; Schimd, Carlo; Secroun, Aurélia; Sesana, Alberto; Sopuerta, Carlos F.; Tereno, Ismael; Tolley, Andrew; Urrestilla, Jon; Vagenas, Elias C.; van de Vis, Jorinde; van de Weygaert, Rien; Wardell, Barry; Weir, David J.; White, Graham; Świeżewska, Bogumiła; Zhdanov, Valery I. (Peer reviewed; Journal article, 2023)
    The Laser Interferometer Space Antenna (LISA) has two scientific objectives of cosmological focus: to probe the expansion rate of the universe, and to understand stochastic gravitational-wave backgrounds and their implications ...

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