• p-Kernel Stein Variational Gradient Descent for Data Assimilation and History Matching 

      Stordal, Andreas Størksen; Moraes, Rafael J.; Raanes, Patrick N.; Evensen, Geir (Journal article; Peer reviewed, 2021)
      A Bayesian method of inference known as “Stein variational gradient descent” was recently implemented for data assimilation problems, under the heading of “mapping particle filter”. In this manuscript, the algorithm is ...
    • P3 problem and Magnolia language: Specializing array computations for emerging architectures 

      Chetioui, Benjamin; Larnøy, Marius Kleppe; Järvi, Jaakko Timo Henrik; Haveraaen, Magne; Mullin, Lenore (Journal article; Peer reviewed, 2022)
      The problem of producing portable high-performance computing (HPC) software that is cheap to develop and maintain is called the P3 (performance, portability, productivity) problem. Good solutions to the P3 problem have ...
    • p53 Protein Isoform Profiles in AML: Correlation with Distinct Differentiation Stages and Response to Epigenetic Differentiation Therapy 

      Haaland, Ingvild; Hjelle, Sigrun Margrethe; Reikvam, Håkon; Sulen, André; Ryningen, Anita; McCormack, Emmet; Bruserud, Øystein; Gjertsen, Bjørn Tore (Journal article; Peer reviewed, 2021)
      p53 protein isoform expression has been found to correlate with prognosis and chemotherapy response in acute myeloid leukemia (AML). We aimed to investigate how p53 protein isoforms are modulated during epigenetic ...
    • Pacific circulation response to eastern Arctic sea ice reduction in seasonal forecast simulations 

      Seidenglanz, Anne; Athanasiadis, Panos J.; Ruggieri, Paolo; Cvijanovic, Ivana; Li, Camille; Gualdi, Silvio (Journal article; Peer reviewed, 2021)
      Recent studies point to the sensitivity of mid-latitude winter climate to Arctic sea ice variability. However, there remain contradictory results in terms of character and timing of Northern Hemisphere large-scale circulation ...
    • Pacific contribution to decadal surface temperature trends in the Arctic during the twentieth century 

      Svendsen, Lea; Keenlyside, Noel; Muilwijk, Morven; Bethke, Ingo; Omrani, Nour-Eddine; Gao, Yongqi (Journal article; Peer reviewed, 2021)
      Instrumental records suggest multidecadal variability in Arctic surface temperature throughout the twentieth century. This variability is caused by a combination of external forcing and internal variability, but their ...
    • Pacific contribution to the early twentieth-century warming in the Arctic 

      Svendsen, Lea; Keenlyside, Noel; Bethke, Ingo; Gao, Yongqi; Omrani, Nour-Eddine (Journal article; Peer reviewed, 2018)
      Arctic surface temperature warmed more than twice as fast as global temperature during the early twentieth century, similar to that during the recent global warming. This Arctic warming has been attributed to both external ...
    • Pacific oceanic front amplifies the impact of Atlantic oceanic front on North Atlantic blocking 

      Cheung, Ho Nam; Omrani, Nour-Eddine; Ogawa, Fumiaki; Keenlyside, Noel Sebastian; Nakamura, Hisashi; Zhou, Wen (Journal article; Peer reviewed, 2023)
      Atmospheric blocking is a crucial driver of extreme weather events, but its climatological frequency is largely underestimated in state-of-the-art climate models, especially around the North Atlantic. While air-sea interaction ...
    • Packing arc-disjoint cycles in tournaments 

      Bessy, Stephane; Bougeret, Marin; Krithika, R; Sahu, Abhishek; Saurabh, Saket; Thiebaut, Jocelyn; Zehavi, Meirav (Journal article; Peer reviewed, 2019)
      A tournament is a directed graph in which there is a single arc between every pair of distinct vertices. Given a tournament T on n vertices, we explore the classical and parameterized complexity of the problems of determining ...
    • Packing cycles faster than Erdos-Posa 

      Lokshtanov, Daniel; Mouawad, Amer E.; Saurabh, Saket; Zehavi, Meirav (Journal article; Peer reviewed, 2019)
      The Cycle Packing problem asks whether a given undirected graph $G=(V,E)$ contains $k$ vertex-disjoint cycles. Since the publication of the classic Erdös--Pósa theorem in 1965, this problem received significant attention ...
    • PaCTS 1.0: a crowdsourced reporting standard for paleoclimate data 

      Khider, Deborah; Emile-Geay, Julien; McKay, Nicholas P.; Gil, Yolanda; Garijo, Daniel; Ratnakar, Varun; Alonso-Garcia, Montserrat; Bertrand, Sebastien; Bothe, Oliver; Brewer, Peter; Bunn, Andrew G.; Chevalier, Manuel; Comas-Bru, Laia; Csank, Adam; Dassié, Emilie; DeLong, Kristine L.; Felis, Thomas; Francus, Pierre; Frappier, Amy; Gray, William R.; Goring, Simon; Jonkers, Lukas; Kahle, Michael; Kaufman, Darrell S.; Kehrwald, Natalie M.; Martrat, Belen; McGregor, Helen V; Richey, Julie; Schmittner, Andreas; Scroxton, Nick; Sutherland, Elaine K.; Thirumalai, Kaustubh; Allen, Kathryn J.; Arnaud, Fabien; Axford, Yarrow; Barrows, Timothy T.; Bazin, Lucie; Pilaar Birch, Suzanne E.; Bradley, Elizabeth; Bregy, Joshua; Capron, Emilie; Cartapanis, Olivier; Chiang, Hong-Wei; Cobb, Kim M.; Debret, Maxime; Dommain, René; Du, Jianghui; Dyez, Kelsey A.; Emerick, Suellyn; Erb, Michael P.; Falster, Georgina; Finsinger, Walter; Fortier, Daniel; Gauthier, Nicholas; George, Steve; Grimm, Eric C.; Hertzberg, Jennifer; Hibbert, Fiona D.; Hillman, Aubrey; Hobbs, William R; Huber, Matthew; Hughes, Anna L.C.; Jaccard, Samuel L.; Ruan, Jiaoyang; Kienast, Markus; Konecky, Bronwen; Le Roux, Gael; Lyubchich, Vyacheslav; Novello, Valdir F.; Olaka, Lydia; Partin, Judson; Pearce, Christof; Phipps, Steven J.; Pignol, Cecile; Piotrowska, Natalia; Poli, Maria-Serena; Prokopenko, Alexander; Schwank, Franciele; Stepanek, Christian; Swann, George E.A.; Telford, Richard; Thomas, Elizabeth R.; Thomas, Zoe; Truebe, Sarah; Von Gunten, Lucien; Waite, Amanda J.; Weitzel, Nils; Wilhelm, Bruno; Williams, John W.; Williams, Joseph J.; Winstrup, Mai; Zhao, Ning; Zhou, Yuxin (Journal article; Peer reviewed, 2019-09)
      The progress of science is tied to the standardization of measurements, instruments, and data. This is especially true in the Big Data age, where analyzing large data volumes critically hinges on the data being standardized. ...
    • Paediatric Contacts of Adult COVID-19 Patients: Clinical Parameters, Risk Factors, and Outcome 

      Farooq, Ammara; Sheikh, Taimur Khalil; Syed, Fibhaa; Mustafa, Tehmina (Journal article; Peer reviewed, 2021)
      Background. There is insufficient data in Pakistan and in South Asia regarding paediatric COVID-19 demographics and related parameters. The main aim of this study was to assess the paediatric population exposed to SARS-CoV-2 ...
    • Paediatric kidney stone surgery: state-of-the-art review 

      Jones, Charles Patrick W.; Keller, Etienne Xavier; Tzelves, Lazaros; Beisland, Christian; Somani, Bhaskar K; Gjengstø, Peder; Æsøy, Mathias S.; Ulvik, Øyvind (Journal article; Peer reviewed, 2023)
      While urolithiasis in children is rare, the global incidence is rising, and the volume of minimally invasive surgeries being performed reflects this. There have been many developments in the technology, which have supported ...
    • Paediatric surgical conditions in malawi-a cross-sectional nationwide household survey 

      Varela, Carlos Gomes; Viste, Asgaut; Young, Sven; Groen, Reinou S.; Ngoie, Leonard Banza; Nandi, Bip; Mkandawire, Nyengo; Moen, Bente Elisabeth (Journal article; Peer reviewed, 2021)
      Background Untreated surgical conditions may lead to lifelong disability in children. Treating children with surgical conditions may reduce long-term effects of morbidity and disability. Unfortunately, low- and middle-income ...
    • Paediatric Ureteroscopy (P-URS) reporting checklist: a new tool to aid studies report the essential items on paediatric ureteroscopy for stone disease 

      Jones, Charles Patrick Warburton; Ulvik, Øyvind; Beisland, Christian; Somani, Bhaskar K. (Journal article, 2023)
      The burden of urolithiasis in children is increasing and this is mirrored by the number of surgical interventions in the form of ureteroscopy (URS). There exist many challenges in performing this surgery for this special ...
    • The Pah-R261Q mouse reveals oxidative stress associated with amyloid-like hepatic aggregation of mutant phenylalanine hydroxylase 

      Aubi Catevilla, Oscar; Prestegård, Karina Skjervheim; K C, Kunwar Jung; Shi, Tie-Jun; Ying, Ming; Grindheim, Ann Kari; Scherer, Tanja; Ulvik, Arve; McCann, Adrian; Spriet, Endy; Thöny, Beat; Martinez, Aurora (Journal article; Peer reviewed, 2021)
      Phenylketonuria (PKU) is caused by autosomal recessive variants in phenylalanine hydroxylase (PAH), leading to systemic accumulation of L-phenylalanine (L-Phe) that may reach neurotoxic levels. A homozygous Pah-R261Q mouse, ...
    • Pain and quality of life in nursing home residents with dementia after admission – a longitudinal study 

      Helvik, Anne-Sofie; Bergh, Sverre; Saltyte Benth, Jurate; Borza, Tom; Husebø, Bettina Elisabeth Franziska; Tevik, Kjerstin Elisabeth (Journal article; Peer reviewed, 2023-09-27)
      Background: Pain in nursing home (NH) residents with dementia is commonly reported and may affect Quality of Life (QoL) negatively. Few longitudinal studies have explored how pain and QoL develop in NH residents with ...
    • The Pain Assessment in Impaired Cognition scale (PAIC15): A multidisciplinary and international approach to develop and test a meta-tool for pain assessment in impaired cognition, especially dementia 

      Kunz, Miriam; de Waal, Margot W. M.; Achterberg, Wilco P.; Gimenez-Llort, Lydia; Lobbezoo, Frank; Sampson, Elizabeth L.; van Dalen-Kok, Annelore H.; Defrin, Ruth; Invitto, Sara; Konstantinovic, Ljubica; Oosterman, Joukje; Petrini, Laura; van der Steen, Jenny T.; Strand, Liv Inger; de Tommaso, Marina; Zwakhalen, Sandra; Husebø, Bettina; Lautenbacher, Stefan (Journal article; Peer reviewed, 2020)
      Background: Over the last decades, a considerable number of observational scales have been developed to assess pain in persons with dementia. The time seems ripe now to build on the knowledge and expertize implemented in ...
    • Pain complaints after consecutive nights and quick returns in Norwegian nurses working three-shift rotation: an observational study 

      Katsifaraki, Maria; Nilsen, Kristian Bernhard; Christensen, Jan Olav; Wærsted, Morten; Knardahl, Stein; Bjorvatn, Bjørn; Härmä, Mikko; Matre, Dagfinn (Journal article; Peer reviewed, 2020)
      Objectives To determine whether nurses working consecutive night shifts, or short transitions between shifts (quick returns (QRs)), yielded higher risk for pain complaints when compared with regular morning shifts. Sleep ...
    • Pain in dementia 

      Achterberg, Wilco; Lautenbacher, Stefan; Husebø, Bettina; Erdal, Ane; Herr, Keela (Journal article; Peer reviewed, 2020)
      The ageing revolution is changing the composition of our society with more people becoming very old with higher risks for developing both pain and dementia. Pain is normally signaled by verbal communication, which becomes ...
    • Pain pressure threshold algometry in knee osteoarthritis: intra- and inter-rater reliability 

      Stausholm, Martin Bjørn; Bjordal, Jan Magnus; Moe-Nilssen, Rolf; Naterstad, Ingvill Fjell (Journal article; Peer reviewed, 2023)
      Introduction: Synovitis and effusion can cause pain sensitization in persons with knee osteoarthritis (KOA). Pain Pressure Threshold (PPT) algometry is a means to quantify somatosensory abnormalities, including ...