Bjørn Jahren

Bilde av Bjørn Jahren
English version of this page
Telefon +47 22855908
Rom 1227
Brukernavn
Besøksadresse Moltke Moes vei 35 Niels Henrik Abels hus 0851 OSLO
Postadresse Postboks 1032 Blindern 0315 Oslo
Emneord: Matematikk, Geometri/Topologi

Publikasjoner

  • Hausmann, Jean-Claude & Jahren, Bjørn (2019). A simplification problem in manifold topology. L'Enseignement mathématique (LEM). ISSN 0013-8584. 64(1/2), s. 207–248. doi: 10.4171/LEM/64-1/2-8. Fulltekst i vitenarkiv
  • Jahren, Bjørn & Kwasik, Slawomir (2018). Whitehead torsion of inertial h-cobordisms. Topology and its Applications. ISSN 0166-8641. 249, s. 150–159. doi: 10.1016/j.topol.2018.09.013. Fulltekst i vitenarkiv
  • Jahren, Bjørn & Sławomir, Kwasik (2015). How different can h-cobordant manifolds be? Bulletin of the London Mathematical Society. ISSN 0024-6093. 47(4), s. 617–630. doi: 10.1112/blms/bdv039.
  • Jahren, Bjørn & Kwasik, Slawomir (2011). Free involutions on S-1 x S-n. Mathematische Annalen. ISSN 0025-5831. 351(2), s. 281–303. doi: 10.1007/s00208-010-0599-y.
  • Jahren, Bjørn (2010). Pseudoisotopies and the Bokstedt trace. Geometriae Dedicata. ISSN 0046-5755. 148(1), s. 245–261. doi: 10.1007/s10711-009-9441-7.
  • Jahren, Bjørn (2009). Involutions on the rational K -theory of group rings of finite groups, Alpine Perspectives on Algebraic Topology. American Mathematical Society (AMS). ISSN 978-0-8218-4839-5. s. 189–202.
  • Jahren, Bjørn (2009). Pseudoisotopies and the Bökstedt trace. Geometriae Dedicata. ISSN 0046-5755. doi: 10.1007/s10711-009-9441-7.
  • Jahren, Bjørn & Kwasik, S (2006). Manifolds homotopy equivalent to RP4#RP4. Mathematical proceedings of the Cambridge Philosophical Society (Print). ISSN 0305-0041. 140.
  • Jahren, Bjørn (2003). Three-dimensional surgery theory, UNil-groups and the Borel conjecture. Topology. ISSN 0040-9383. 42, s. 1353–1369.
  • Jahren, Bjørn (1999). K-theory, flat bundles and the Borel classes. Fundamenta Mathematicae. ISSN 0016-2736. 161, s. 137–153.

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  • Rognes, John; Jahren, Bjørn & Waldhausen, Friedhelm (2013). Spaces of PL Manifolds and Categories of Simple Maps. Princeton University Press. ISBN 978-0-691-15775-7. 192 s.
  • Baas, Nils A.; Friedlander, Eric M.; Jahren, Bjørn & Østvær, Paul Arne (2009). Algebraic Topology. The Abel Symposium 2007. Springer. ISBN 978-3-642-01199-3.
  • Jahren, Bjørn (2006). Motivic Homotopy Theory. Springer. ISBN 3-540-45895-6. 222 s.

Se alle arbeider i Cristin

  • Jahren, Bjørn (2017). H-Cobordisms and stabilization of diffeomorphisms.
  • Jahren, Bjørn (2016). On the work of Eldar Straume on Transformation Groups.
  • Nerland, Stener; Jørgensen, Kjetil Nordbø; Jahren, Bjørn; Melle, Ingrid; Andreassen, Ole Andreas & Agartz, Ingrid (2016). A Topological Characterisation of Cortical Folding in Schizophrenia and Bipolar Disorder.
  • Jahren, Bjørn (2015). Inertial and non-inertial h-cobordisms.
  • Jahren, Bjørn (2012). How different can h-cobordant manifolds be?
  • Jahren, Bjørn (2012). How different can h-cobordant manifolds be?
  • Jahren, Bjørn (2012). H-cobordant manifolds.
  • Jahren, Bjørn (2011). Relationships between h-cobordant manifolds.
  • Jahren, Bjørn (2011). Fra musikk til algebra og geometri.
  • Jahren, Bjørn (2011). Exotic structures on manifolds.
  • Jahren, Bjørn (2011). Eksotiske sfærer.
  • Jahren, Bjørn (2009). Litt om topologisk fikspunktteori.
  • Jahren, Bjørn (2008). Topological classification of free involutions on S^1xS^n.
  • Jahren, Bjørn (2008). Topological classification of free involutions on S^1xS^n.
  • Jahren, Bjørn (2008). Topological classification of free involutions on S^1xS^n.
  • Jahren, Bjørn (2007). Topological classification of free involutions on S1xSn.
  • Jahren, Bjørn (2007). Topological classification of free involutions on S1xSn.
  • Jahren, Bjørn (2006). Trace invariants for fixed and periodic points. Oberwolfach Reports. ISSN 1660-8933.
  • Jahren, Bjørn (2006). Lefschetz-Nielsen teori og homotopi-fikspunkter.
  • Jahren, Bjørn (2006). Trace invariants for fixed and periodic points.
  • Jahren, Bjørn (2005). Some calculations of rational homotopy of diffeomorphism groups.
  • Jahren, Bjørn (2005). Classification of free involutions on S^1xS^3.
  • Jahren, Bjørn (2005). Fixpoints and homotopy fixpoint of maps.
  • Jahren, Bjørn (2005). Introduction to surgery theory.
  • Jahren, Bjørn (2005). On topological mansilds doubly covered by S^1xS^n.
  • Jahren, Bjørn (2005). Topological classifications of free involutions on S^1xS^n.
  • Jahren, Bjørn (2005). Topological classification of free involutions of S^1xS^n.
  • Jahren, Bjørn (2005). Topological classification of free involutions on S^1xS^n.
  • Jahren, Bjørn (2005). Topological classification of free involutions on S^1 x S^n.
  • Jahren, Bjørn (2005). On manifolds homotopy equivalent to RP^4 x RP^4.
  • Jahren, Bjørn (2005). On manifolds homotopy equivalent to RP^4#RP^4.
  • Jahren, Bjørn (2004). Geometri og geometrier i dimensjon 3 (To foredrag).
  • Jahren, Bjørn (2004). A homological formula for the Lefschetz-Reidemeister torsion.
  • Jahren, Bjørn (2004). Homotoy fixpoints and Nielsen-Lefschetz theory.
  • Jahren, Bjørn (2004). Manifolds homotopy equivalent to RP^4#RP^4.
  • Jahren, Bjørn (2001). 3-dimensional surgery, UNil-groups and the Borel conjecture.
  • Jahren, Bjørn (2001). Problems and results in low-dimensional surgery.
  • Jahren, Bjørn (2001). On surgery in dimension 3.
  • Jahren, Bjørn (2001). On surgery in dimension 3.
  • Jahren, Bjørn (2000). Mozart, menuetter og terningkast. [Radio]. "Midt i musikken" : NRK radio, P2.
  • Jahren, Bjørn (2000). Mozart, menuetter og terningkast. [Radio]. "WOK" : NRK, P2.
  • Jahren, Bjørn (2000). Mozart, menuetter og terningkast. [Radio]. Metropol TV.
  • Jahren, Bjørn (2000). Mozart, menuetter og terningkast. [Radio]. Metropol TV.
  • Jahren, Bjørn (2000). Flat bundles and Borel classes in K-theory.
  • Jahren, Bjørn (2000). Hvorfor er det så trangt i dimensjon 4?
  • Jahren, Bjørn (2000). Hvorfor er det så trangt i dimensjon 4?
  • Jahren, Bjørn (2000). Hvorfor er det så trangt i dimensjon 4?
  • Jahren, Bjørn (2000). Kirurgiobstruksjonen i dimensjon 3.
  • Jahren, Bjørn (2000). Flat bundles and Borel classes in K-theory.
  • Jahren, Bjørn (2000). Topology and geometry of 3-manifolds.
  • Jahren, Bjørn (1999). 3-dimensional surgery and the Borel conjecture.
  • Jahren, Bjørn (2011). Geometric Structures in Dimension two. Nettsidene til kurset MAT4510.
  • Jahren, Bjørn (2010). Supplementary notes for MAT4520, Spring 2010. Internt på kurssider.
  • Jahren, Bjørn (2007). geometric structures. Matematisk institutt, kurssidene til MAT4510.
  • Jahren, Bjørn & Kwasik, Slawomir (2006). Free involutions on S^1xS^n. Institut Mittag-Leffler.
  • Jahren, Bjørn; Rognes, John & Waldhausen, Friedhelm (2006). Spaces of PL manifolds and categories of simple maps. Institut Mittag-Leffler.
  • Jahren, Bjørn & Kwasik, Slawomir (1999). 3-dimensional surgery, UNil and the Borel conjecture.

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Publisert 24. okt. 2010 15:55 - Sist endret 8. mai 2020 09:27