Master’s thesis

• Johan Lie (2003). Variational Image Segmentation using Discontinuous Level Set Formulations. (external link)

Academic article

• Johan Lie; Ola Marius Lysaker; Xue-Cheng Tai (2005). A piecewise constant level set framework. (external link)
• Johan Lie; Ola Marius Lysaker; Xue-Cheng Tai (2003). A Variant of the Level Set Method and Applications to Image Segmentation. (external link)
• Ørjan Bergmann; Oddvar Christiansen; Johan Lie et al. (2009). Shape-adaptive DCT for denoising of 3D scalar and tensor valued images. (external link)
• Johan Lie; Ola Marius Lysaker; Xue-Cheng Tai (2006). A variant of the level set method and applications to image segmentation. (external link)
• Johan Lie (2013). Om areal, invarians og Picks teorem. (external link)
• Johan Lie; Jan Martin Nordbotten (2007). Inverse scale spaces for nonlinear regularization. (external link)
• Johan Lie; Ola Marius Lysaker; Xue-Cheng Tai (2006). A binary level set model and some applications to Mumford-Shah image segmentation. (external link)
• Oddvar Christiansen; Tin-Man Lee; Johan Lie et al. (2007). Total Variation Regularization of Matrix-Valued Images. (external link)
• Kirabo, Esther ; Batiibwe, Marjorie Sarah Kabuye ; Mbulankende, Julius Shopi et al. (2025). Frontiers | GeoGebra-supported problem-based learning for in-service primary mathematics teachers’ 3D geometry understanding in a core primary teachers’ college in Uganda. (external link)
• Johan Lie; Inge Olav Hauge; Tamsin Jillian Meaney (2017). Computer Programming in the Lower Secondary Classroom: Mathematics Learning. (external link)
• Johan Lie; Ola Marius Lysaker; Xue-Cheng Tai (2005). Piecewise constant level set methods and image segmentation. (external link)

Popular science article

• Henning Bueie; Johan Lie (2020). Programmering og generalisering. (external link)

Non-fiction book chapter

• Johan Lie; Stian Hirth; Tobias Eiksund (2025). Integrating Computational Thinking into Undergraduate Calculus in Mechanics: Insights from Educators and Communities of Practice. (external link)

Conference lecture

• Inge Olav Hauge; Suela Kacerja; Troels Lange et al. (2016). Teacher educators´ Views of young children’s mathematics: The impact of different roles. (external link)
• Stein Dankert Kolstø; Johan Lie (2021). Elevdeltagelse og faglig læring i utforskende dialoger. (external link)
• Johan Lie; Inge Olav Hauge (2016). Computer Programming in the Lower Secondary Classroom: Mathematical Understanding.. (external link)
• Stian Hirth; Johan Lie (2025). Matematikkens rolle i møte med samtidas utfordringar. (external link)
• Suela Kacerja; Johan Lie (2022). Solar panels on the school roof: exploring the use of mathematics in an interdisciplinary project . (external link)
• Inge Skjælaaen; Randi Holm; Roland Kaufmann et al. (2010). Mathematical modelling of microbial induced processes in oil reservoirs. (external link)
• Inge Olav Hauge; Johan Lie (2022). Critical democratic competence, empowerment and block and text-based programming in mathematics education. (external link)

Research report

• Johan Lie; Jan Martin Nordbotten (2005). Inverse Scale Spaces for Nonlinear Regularization. (external link)

Lecture

• Johan Lie; Inge Olav Hauge; Ketil Arne Bergesen (2015). Scratch og algebra. (external link)
• Johan Lie (2015). Algebra? Det er bokstavrekning det, vel?. (external link)
• Marianne Maugesten; Johan Lie; Vegard Målnes Meland (2015). Nettbasert matematikk 2. (external link)

Conference poster

• Inge Olav Hauge; Johan Lie (2021). Contributions of Computer Programming to the Development of Democratic Competence: empowerment and agency. (external link)
• Johan Lie; Inge Olav Hauge (2024). Computational Thinking, Artificial Intelligence and Empowerment in University Mathematics Education. (external link)
• Inge Olav Hauge; Johan Lie (2024). Mathematical and digital empowerment through programming in the mathematics classroom . (external link)

Academic book chapter

• Andrea Synnøve Blomsø Eikset; Trude Fosse; Troels Lange et al. (2017). (Wanting to do) Ethical research in a shifting context. (external link)
• Suela Kacerja; Johan Lie (2025). Mathematical modelling in an interdisciplinary project on solar panels on the school roof. (external link)
• Inge Olav Hauge; Suela Kacerja; Troels Lange et al. (2018). Young children´s engagement with mathematics: Expanding teacher educators´ views. (external link)
• Inge Olav Hauge; Johan Lie; Yasmine Abtahi et al. (2021). Programming in the classroom as a tool for developing critical democratic competence in mathematics. (external link)

Doctoral thesis (PhD)

• Johan Lie (2007). Mathematical Imaging with Applications to MRI and Diffusion Tensor MRI. (external link)

Professional article

• Johan Lie (2012). Om endring av areal og volum. (external link)

Academic literature review

• Esther Kirabo; Marjorie Sarah Kabuye Batiibwe; Julius Shopi Mbulankende et al. (2024). Technology-supported problem-based learning in mathematics education for pre-service teachers: a systematic literature review. (external link)

See a complete overview of publications in Cristin.