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Staff photo Per Åhag

Per Åhag

Docent in Mathematics. Focus: artificial intelligence in the VR-funded project “Neural Differential Equations on M-polyfolds”, stochastic geometry, and urban & regional planning.

Research qualifications: Docent

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MIT-huset, plan 3, Matematik och matematisk statistik, MIT.F.349 Umeå universitet, 901 87 Umeå

Since embarking on my mathematical journey over thirty years ago, my passion for this inspiring discipline has not waned, but has instead continued to flourish. From the moment I began exploring its intricate layers, I was captivated by the beauty and power of mathematics, a foundational pillar that upholds modern society.

My professional journey has not merely been about unveiling the mysteries of mathematics through research and teaching, but also about helping to shape and nurture a vibrant and sustainable mathematical community for the future.

My research primarily spans the fascinating realms of several complex variables, pluripotential theory, and differential geometry. This includes deep explorations of topics ranging from Kähler geometry to polyfold theory. Yet, like all restless and curious researchers, I venture beyond these domains. Such excursions include the Lenz–Ising model in statistical mechanics, in-depth work on elasticity problems, Schmeidler’s expected utility model in finance, and MIMO (Multi-Input Multi-Output) in wireless communication. At present, this curiosity has guided me toward a strong focus on geometric deep learning, including work within the project “Neural Differential Equations on M-polyfolds” and in stochastic geometry, as well as toward questions in urban and regional planning.

Recognizing the inherent beauty of mathematics, I believe in making it accessible and meaningful to a broader audience. This conviction has led me to explore educational psychology and to study the perceptions held by specific student groups. This interest both satisfies my own curiosity and contributes to refining and enriching my teaching.

Beyond the world of definitions and theorems, I spend much of my time on the sidelines, cheering on my son during his training sessions and sporting events. And when the universe grants me its rare moments of rest, I can often be found in the heart of my kitchen, where I experiment with flavors, cooking up a storm, or bake imaginative creations.

Konferensbidrag 10:e Utvecklingskonferensen för Sveriges ingenjörsutbildningar, Karlskrona: Blekinge Tekniska Högskola 2025 : 167-175
Bjurulf, Harald; Westin, Jonas; Åhag, Per
Tilde: rapporter från Institutionen för estetiska ämnen
Bjurulf, Harald; Westin, Jonas; Åhag, Per
Acta Mathematica Vietnamica, Springer 2025, Vol. 50, (2) : 285-301
Granath, Andreas; Åhag, Per; Perälä, Antti; et al.
International Journal of Mathematical Education in Science and Technology, Taylor & Francis 2025, Vol. 56, (11) : 2236-2250
Hed, Lisa; Åhag, Per; Norqvist, Mathias
Annales Polonici Mathematici, Institute of Mathematics, Polish Academy of Sciences 2025, Vol. 134, (1) : 1-18
Åhag, Per; Czyż, R.; Lundow, Per-Håkan
Annales Academiae Scientiarum Fennicae Mathematica Dissertationes, Finnish Mathematical Society 2025, Vol. 50, (1) : 201-214
Åhag, Per; Czyż, Rafał
Proceedings of the American Mathematical Society, American Mathematical Society (AMS) 2025, Vol. 153, (8) : 3381-3394
Åhag, Per; Czyż, Rafał
Mathematische Annalen, Springer Nature 2025, Vol. 91 : 3333-3361
Åhag, Per; Czyż, Rafał; Lu, Chinh H.; et al.
2024 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM) : 0001-0005
Westin, Jonas; Olsson, Leif; Åhag, Per
2024 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM), IEEE 2024 : 400-404
Westin, Jonas; Olsson, Leif; Åhag, Per
Applied Mathematics and Computation, Elsevier 2024, Vol. 462
Åhag, Per; Czyż, R.; Lundow, Per-Håkan
Mathematische Zeitschrift, Springer Nature 2024, Vol. 308, (4)
Åhag, Per; Czyż, Rafał; Lu, Chinh H.; et al.
Bidrag från den 9:e utvecklingskonferensen för Sveriges ingenjörsutbildningar, Västerås: Mälardalens universitet 2023 : 318-323
Hed, Lisa; Granath, Andreas; Åhag, Per
Nämnaren : tidskrift för matematikundervisning, Göteborgs universitet 2023, (4) : 81-84
Hed, Lisa; Leijon, Rasmus; Åhag, Per
International mathematics research notices, Oxford University Press 2023, Vol. 2023, (12) : 10115-10155
Åhag, Per; Czyż, Rafał
Annali della Scuola Normale Superiore di Pisa (Classe Scienze), Serie V, Scuola Normale Superiore 2023, Vol. 24, (3) : 1853-1873
Åhag, Per; Czyż, Rafał
2023 IEEE International Conference on Industrial Engineering and Engineering Management, IEEE 2023 : 903-907
Åhag, Per; Hed, Lisa; Leijon, R.; et al.
New York Journal of Mathematics, Electronic Journals Project 2022, Vol. 28 : 958-969
Eskandari, Setareh; Abkar, Ali; Åhag, Per; et al.
Journal of Geometric Analysis, Springer 2022, Vol. 32, (4)
Åhag, Per; Czyż, Rafał
Proceedings of the American Mathematical Society, American Mathematical Society (AMS) 2022, Vol. 150, (12) : 5311-5320
Åhag, Per; Czyż, Rafał
Nämnaren : tidskrift för matematikundervisning, Göteborgs universitet 2020, Vol. 46, (4) : 25-31
Hed, Lisa; Sande, Olow; Åhag, Per
Results in Mathematics, Springer 2020, Vol. 75, (2)
Åhag, Per; Czyz, Rafal
Mathematica Scandinavica, Copenhagen: Societates Mathematicae 2020, Vol. 126, (3) : 497-512
Åhag, Per; Czyz, Rafal; Hed, Lisa
Complex Variables and Elliptic Equations, Taylor & Francis 2020, Vol. 65, (2) : 152-177
Åhag, Per; Czyż, Rafał; Hed, Lisa
2020 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM), IEEE 2020 : 1266-1270
Åhag, Per; Hsu, Y.J.; Olsson, L.; et al.
Annales Polonici Mathematici, Polish Academy of Sciences 2019, Vol. 123, (1) : 15-20
Åhag, Per; Cegrell, Urban; Hiep, Pham Hoang
Annales Polonici Mathematici, Polish Academy of Sciences 2019, Vol. 123, (1) : 21-29
Åhag, Per; Czyz, Rafal
Journal of Mathematical Analysis and Applications, Elsevier 2019, Vol. 479, (2) : 1456-1474
Åhag, Per; Czyż, Rafał
2019 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM), IEEE 2019 : 224-227
Åhag, Per; Hed, Lisa; Lundow, Per-Håkan; et al.
Journal of Geometric Analysis, Springer 2018, Vol. 28, (4) : 3196-3222
Åhag, Per; Czyz, Rafal; Hed, Lisa
Experimental Mathematics, Philadelphia: Taylor & Francis 2018, Vol. 27, (1) : 119-124
Åhag, Per; Czyz, Rafal; Lundow, Per-Håkan
Complex Variables and Elliptic Equations, Taylor & Francis 2018, Vol. 63, (6) : 783-801
Åhag, Per; Czyż, Rafał; Hed, Lisa
Universitatis Iagellonicae Acta Mathematica, Jagiellonian University 2017, Vol. 54 : 7-13
Åhag, Per; Czyz, Rafał
Journal of Mathematical Analysis and Applications, Vol. 422, (2) : 960-980
Åhag, Per; Cegrell, Urban; Czyz, Rafal
Journal of Mathematical Analysis and Applications, Vol. 423 : 94-105
Åhag, Per; Cegrell, Urban; Phạm, Hoàng Hiệp
Complex Variables and Elliptic Equations, Vol. 60, (9) : 1270-1276
Åhag, Per; Czyz, Rafal
Archiv der Mathematik, Springer 2015, Vol. 105, (4) : 371-380
Åhag, Per; Czyż, Rafał
Mathematica Scandinavica, Aarhus, Denmark: University of Munkegade 2012, Vol. 110, (2) : 235-250
Åhag, Per; Cegrell, Urban; Czyz, Rafal
Universitatis Iagellonicae Acta Mathematica, Krakow: Instytut Matematyki Uniwersytetu Jagiellonskiego 2012, Vol. 50 : 7-23
Åhag, Per; Czyz, Rafal
Annales Polonici Mathematici, Vol. 106 : 1-17
Åhag, Per; Czyz, Rafal; Persson, Leif
Osaka Journal of Mathematics, Vol. 47, (3) : 637-650
Åhag, Per; Cegrell, Urban; Pham, Hoang Hiep
Journal of Mathematical Analysis and Applications, Vol. 361, (2) : 302-321
Åhag, Per; Czyz, Rafal
Journal des Mathématiques Pures et Appliquées, Vol. 92, (6) : 613-627
Åhag, Per; Cegrell, Urban; Czyz, Rafal; et al.
Advances in Mathematics, Vol. 222, (6) : 2036-2058
Åhag, Per; Cegrell, Urban; Kolodziej, Slawomir; et al.
Journal of inequalities and applications : 901397-8 pages
Åhag, Per; Czyz, Rafal
IEEE Conference on Local Computer Networks (LCN'08), 14-17 Oct. 2008, Montreal, Canada
Gidlund, Mikael; Åhag, Per
Doctoral thesis / Umeå University, Department of Mathematics, 25
Åhag, Per