2023
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1. |
Christiansen, Snorre H; Gopalakrishnan, Jay; Guzmán, Johnny; Hu, Kaibo. A discrete elasticity complex on three-dimensional Alfeld splits. Numerische Mathematik 2023 ;Volum 156. s. 159-204 UiO
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Christiansen, Snorre H; Halvorsen, Tore Gunnar; Scheid, Claire. Convergence of a discretization of the Maxwell–Klein–Gordon equation based on finite element methods and lattice gauge theory. Numerical Methods for Partial Differential Equations 2023 ;Volum 39. s. 3271-3308 UiO
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2022
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3. |
Christiansen, Snorre H; Hu, Kaibo. Finite Element Systems for Vector Bundles: Elasticity and Curvature. Foundations of Computational Mathematics 2022 s. - UiO
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2020
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4. |
Erik, Burman; Christiansen, Snorre H; Hansbo, Peter. Application of a minimal compatible element to incompressible and nearly incompressible continuum mechanics. Computer Methods in Applied Mechanics and Engineering 2020 ;Volum 369. UiO
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2019
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5. |
Christiansen, Snorre H; Hu, Kaibo; Sande, Espen. Poincare path integrals for elasticity. Journal des Mathématiques Pures et Appliquées 2019 UiO
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6. |
Christiansen, Snorre H; Licht, Martin Werner. Poincaré-Friedrichs inequalities of complexes of discrete distributional differential forms. BIT Numerical Mathematics 2019 s. 1-27 UiO
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2018
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7. |
Christiansen, Snorre H; Hu, Kaibo. Generalized finite element systems for smooth differential forms and Stokes' problem. Numerische Mathematik 2018 ;Volum 140.(2) s. 327-371 UiO
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2017
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8. |
Christiansen, Snorre H. On eigenmode approximation for Dirac equations: differential forms and fractional Sobolev spaces. Mathematics of Computation 2017 ;Volum 87.(310) s. 547-580 UiO
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9. |
Christiansen, Snorre H; Hu, Jun; Hu, Kaibo. Nodal finite element de Rham complexes. Numerische Mathematik 2017 ;Volum Published ahead of print. s. 1-36 UiO
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2016
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10. |
Christiansen, Snorre H. On curvature of piecewise flat manifolds. 27th Nordic Congress of Mathematicians; 2016-03-15 - 2017-03-20 UiO
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11. |
Christiansen, Snorre H. Uniformly stable finite elements for convection diffusion equations. A conference in honour of Helge Holden; 2016-07-04 - 2016-07-07 UiO
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12. |
Christiansen, Snorre H; Gillette, Andrew. Constructions of some minimal finite element systems. Mathematical Modelling and Numerical Analysis 2016 ;Volum 50.(3) s. 833-850 UiO
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13. |
Christiansen, Snorre H; Rapetti, Francesca. On high order finite element spaces of differential forms. Mathematics of Computation 2016 ;Volum 85.(298) s. 517-548 UiO
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2013
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14. |
Christiansen, Snorre H. Constraint preservation in Lattice Gauge Theory. High resolution mathematical and numerical analysis of involution constrained PDEs; 2013-09-16 UiO
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15. |
Christiansen, Snorre H. Dual finite elements for Calderon preconditioning of the Electric Field Integral Equation. Haute Fréquence; 2013-03-19 UiO
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16. |
Christiansen, Snorre H. Finite element systems of differential forms. EMS – DMF Joint Math Weekend; 2013-04-05 UiO
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17. |
Christiansen, Snorre H. Finite element systems of differential forms and applications to upwinding. Joint Mathematics Meeting; 2013-01-10 UiO
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18. |
Christiansen, Snorre H. Systèmes d’éléments finis de formes différentielles, variantes sous le vent. Séminaire du Laboratoire; 2013-02-22 UiO
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19. |
Christiansen, Snorre H. Upwinding in finite element systems of differential forms. London Mathematical Society Lecture Notes 2013 ;Volum 403. s. 45-71 UiO
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20. |
Christiansen, Snorre H; Winther, Ragnar. On variational eigenvalue approximation of semidefinite operators. IMA Journal of Numerical Analysis 2013 ;Volum 33.(1) s. 164-189 UiO
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2012
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21. |
Christiansen, Snorre H; Halvorsen, Tore Gunnar. A simplicial gauge theory. Journal of Mathematical Physics 2012 ;Volum 53.(3) s. - UiO
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2011
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22. |
Christiansen, Snorre H. Giovani matematici crescono: Snorre Christiansen. http://maddmaths.simai.eu/giovani-matematici-crescono/snorre [Internett] 2011-05-01 UiO
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23. |
Christiansen, Snorre H. On the linearization of Regge calculus. Numerische Mathematik 2011 ;Volum 119.(4) s. 613-640 UiO
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24. |
Christiansen, Snorre H. Spectral correctness of linearized Regge calculus. Advances and Challenges in Computational General Relativity; 2011-05-20 - 2011-05-22 UiO
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25. |
Christiansen, Snorre H. Upwinding in finite element spaces of differential forms. Foundations of Computational Mathematics; 2011-07-04 - 2011-07-14 UiO
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26. |
Christiansen, Snorre H; Halvorsen, Tore Gunnar. A gauge invariant discretization on simplicial grids of the Schrödinger eigenvalue problem in an electromagnetic field. SIAM Journal on Numerical Analysis 2011 ;Volum 49.(1) s. 331-345 UiO
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27. |
Christiansen, Snorre H; Halvorsen, Tore Gunnar. Discretizing the Maxwell-Klein-Gordon equation by the Lattice Gauge Theory formalism. IMA Journal of Numerical Analysis 2011 ;Volum 31.(1) s. 1-24 UiO
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28. |
Christiansen, Snorre H; Munthe-Kaas, Hans; Owren, Brynjulf. Topics in structure-preserving discretization. Acta Numerica 2011 ;Volum 20. s. 1-119 NTNU UiB UiO
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29. |
Christiansen, Snorre H; Scheid, Claire. Convergence of a constrained finite element discretization of the Maxwell Klein Gordon equation. Mathematical Modelling and Numerical Analysis 2011 ;Volum 45.(4) s. 739-760 UiO
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2010
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30. |
Christiansen, Snorre H. A construction of minimal finite element spaces of differential forms on polyhedra. Third Chilean Workshop on Numerical Analysis of Partial Differential Equations (WONAPDE); 2010-01-11 - 2010-01-15 UiO
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31. |
Christiansen, Snorre H. Applications of lattice gauge theory to the coupling of Maxwell with Klein-Gordon and Schroedinger equations. Time dependent quantum mechanics -- analysis and numerics; 2010-04-28 - 2010-04-30 UiO
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32. |
Christiansen, Snorre H. Coupling Maxwell with Schrödinger equations using Lattice Gauge Theory. Maxwell's Equations: Theoretical and Numerical Issues with Applications; 2010-06-26 - 2010-06-30 UiO
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33. |
Christiansen, Snorre H. Éléments finis mixtes minimaux sur les polyèdres. Séminaire EDP et Analyse numérique; 2010-03-04 UiO
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34. |
Christiansen, Snorre H. Éléments finis mixtes minimaux sur les polyèdres. Séminaire d'analyse appliquée; 2010-03-09 UiO
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35. |
Christiansen, Snorre H. Gauge invariant discretizations of Schrödinger equations in an electromagnetic field. BIT 50 conference; 2010-06-17 - 2010-06-30 UiO
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36. |
Christiansen, Snorre H. Introduction to mixed finite elements. Seminar of the Department of Mathematical Sciences and Technology; 2010-10-06 UiO
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37. |
Christiansen, Snorre H. Introduction to Regge calculus and its linearization. Seminar of the Department of Mathematics and Natural Sciences; 2010-11-26 UiO
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38. |
Christiansen, Snorre H. Lattice gauge theory meets finite elements. SAM kolloquium; 2010-05-19 UiO
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39. |
Christiansen, Snorre H. Minimal mixed finite elements on polyhedra. Comptes rendus. Mathematique 2010 ;Volum 348.(3-4) s. 217-221 UiO
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40. |
Christiansen, Snorre H. Mixed finite elements as inverse systems of differential forms. Workshop on Non-Standard Numerical Methods for PDE's; 2010-06-29 - 2010-07-02 UiO
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41. |
Christiansen, Snorre H. On the linearization of Regge Calculus in 3D. Workshop on unstructured meshes in dynamical spacetimes; 2010-07-25 - 2010-07-27 UiO
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42. |
Christiansen, Snorre H. On variational eigenvalue approximation of semidefinite operators. : ArXiv 2010 14 s. UiO
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43. |
Christiansen, Snorre H; Halvorsen, Tore Gunnar. A simplicial gauge theory. : http://arxiv.org/abs/1006.2059v3 2010 16 s. NTNU UiO
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2009
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44. |
Christiansen, Snorre H. A discussion of the div-curl lemma in a Galerkin setting. Seminar; 2009-12-03 UiO
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45. |
Christiansen, Snorre H. A framework for the discretization of differential forms on cellular complexes. ICOSAHOM 2009; 2009-06-22 - 2009-06-26 UiO
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46. |
Christiansen, Snorre H. Discretizing the Yang-Mills-Higgs equation. Compatible and Innovative Discretizations for Partial Differential Equations; 2009-06-17 - 2009-06-19 UiO
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47. |
Christiansen, Snorre H. Éléments finis mixtes minimaux sur les polyèdres. : Matematisk Institutt, Universitetet i Oslo 2009 6 s. Preprint series (Universitetet i Oslo. Matematisk institutt)(14) UiO
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48. |
Christiansen, Snorre H. Finite element exterior calculus on cellular complexes. Seminar; 2009-05-14 - 2009-05-15 UiO
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49. |
Christiansen, Snorre H. Finite elements and differential forms. Seminar; 2009-11-23 - 2009-11-25 UiO
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50. |
Christiansen, Snorre H. Foundations of Finite Element Methods for Wave Equations of Maxwell Type. I: Applied wave mathematics. Springer 2009 ISBN 978-3-642-00584-8. s. 335-393 UiO
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