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2021
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| 1. | Pedersen, Thomas Bondo; Kristiansen, Håkon Emil; Bodenstein, Tilmann; Kvaal, Simen; Schøyen, Øyvind Sigmundson. Interpretation of Coupled-Cluster Many-Electron Dynamics in Terms of Stationary States. Journal of Chemical Theory and Computation 2021 ;Volume 17.(1) p. 388-404 UiO |
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2020
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| 2. | Bodenstein, Tilmann; Kvaal, Simen. A multireference coupled-cluster method based on the bivariational principle. Warsaw Molecular Electronic Structure virtual conference; 2020-09-01 - 2020-09-04 UiO |
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| 3. | Bodenstein, Tilmann; Kvaal, Simen. A state-specific multireference coupled-cluster method based on the bivariational principle. Journal of Chemical Physics 2020 ;Volume 153.(2) p. - UiO |
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| 4. | Kristiansen, Håkon Emil; Schøyen, Øyvind Sigmundson; Kvaal, Simen; Pedersen, Thomas Bondo. Numerical stability of time-dependent coupled-cluster methods for many-electron dynamics in intense laser pulses. Journal of Chemical Physics 2020 ;Volume 152. p. - UiO |
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| 5. | Kvaal, Simen; Laestadius, Andre; Bodenstein, Tilmann. Guaranteed convergence for a class of coupled-cluster methods based on Arponen's extended theory. Molecular Physics 2020 ;Volume 118.(19-20) p. - UiO |
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2019
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| 6. | Faulstich, Fabian Maximilian; Laestadius, Andre; Legeza, Örs; Schneider, Reinhold; Kvaal, Simen. Analysis of the Tailored Coupled-Cluster Method in Quantum Chemistry. SIAM Journal on Numerical Analysis 2019 ;Volume 57.(6) p. 2579-2607 UiO |
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| 7. | Faulstich, Fabian Maximilian; Máté, Mihály; Laestadius, Andre; Csirik, Mihály András; Veis, Libor; Antalik, Andrej; Brabec, Jiří; Schneider, Reinhold; Pittner, Jiří; Kvaal, Simen; Legeza, Örs. Mathematical and numerical aspects of the coupled-cluster method tailored by tensor network states. Annual Meeting in Quantum and Computational Chemistry of the Norwegian Chemical Society; 2019-10-08 - 2019-10-09 UiO |
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| 8. | Faulstich, Fabian Maximilian; Máté, Mihály; Laestadius, Andre; Csirik, Mihály András; Veis, Libor; Antalik, Andrej; Brabec, Jiří; Schneider, Reinhold; Pittner, Jiří; Kvaal, Simen; Legeza, Örs. Numerical and Theoretical Aspects of the DMRG-TCC Method Exemplified by the Nitrogen Dimer. Journal of Chemical Theory and Computation 2019 ;Volume 15.(4) p. 2206-2220 UiO |
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| 9. | Faulstich, Fabian Maximilian; Máté, Mihály; Laestadius, Andre; Csirik, Mihály András; Veis, Libor; Antalik, Andrej; Brabec, Jiří; Schneider, Reinhold; Pittner, Jiří; Kvaal, Simen; Legeza, Örs. Numerical and theoretical aspects of the DMRG-TCC method exemplified by the nitrogen dimer. The 59th Sanibel Symposium; 2019-02-17 - 2019-02-22 UiO |
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| 10. | Laestadius, Andre; Penz, Markus; Tellgren, Erik; Ruggenthaler, Michael; Kvaal, Simen; Helgaker, Trygve. Guaranteed convergence of a regularized Kohn-Sham iteration in finite dimensions. Annual Meeting in Quantum and Computational Chemistry of the Norwegian Chemical Society; 2019-10-08 - 2019-10-09 UiO |
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| 11. | Laestadius, Andre; Tellgren, Erik; Penz, Markus; Ruggenthaler, Michael; Kvaal, Simen; Helgaker, Trygve. Kohn–Sham Theory with Paramagnetic Currents: Compatibility and Functional Differentiability. Journal of Chemical Theory and Computation 2019 ;Volume 15.(7) p. 4003-4020 UiO |
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| 12. | Pedersen, Thomas Bondo; Kvaal, Simen. Symplectic integration and physical interpretation of time-dependent coupled-cluster theory. Journal of Chemical Physics 2019 ;Volume 150. UiO |
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2018
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| 13. | Faulstich, Fabian Maximilian; Laestadius, Andre; Legeza, Örs; Schneider, Reinhold; Kvaal, Simen. Mathematical analysis of the coupled-cluster method tailored by tensor-network states. The 58th Sanibel Symposium; 2018-02-18 - 2018-02-23 UiO |
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| 14. | Faulstich, Fabian Maximilian; Laestadius, Andre; Legeza, Örs; Schneider, Reinhold; Kvaal, Simen. Quadratic error bounds for the coupled-cluster method tailored by tensor-network states. MFO workshop Mathematical Methods in Quantum Chemistry; 2018-03-18 - 2018-03-24 UiO |
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| 15. | Laestadius, Andre; Faulstich, Fabian Maximilian; Kvaal, Simen; Legeza, Örs; Schneider, Reinhold. Analysis of The Coupled-Cluster Method Tailored by Tensor-Network States in Quantum Chemistry. The 15th ETSF Young Researchers’ Meeting 2018; 2018-06-04 - 2018-06-08 UiO |
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| 16. | Laestadius, Andre; Faulstich, Fabian Maximilian; Kvaal, Simen; Legeza, Örs; Schneider, Reinhold. The Study of Coupled-Cluster Methods Using Strong Monotonicity. NKS meeting; 2018-10-16 - 2018-10-18 UiO |
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| 17. | Laestadius, Andre; Kvaal, Simen. Analysis of the Extended Coupled-Cluster Method in Quantum Chemistry. SIAM Journal on Numerical Analysis 2018 ;Volume 56.(2) p. 660-683 UiO |
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| 18. | Laestadius, Andre; Kvaal, Simen. ANALYSIS OF THE EXTENDED COUPLED-CLUSTER METHOD IN QUANTUM CHEMISTRY. 58th Sanibel Symposium; 2018-02-18 - 2018-02-23 UiO |
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| 19. | Laestadius, Andre; Penz, Markus; Tellgren, Erik; Ruggenthaler, Michael; Kvaal, Simen; Helgaker, Trygve. Generalized Kohn-Sham iteration on Banach Spaces. Mathematical Methods in Quantum Chemistry; 2018-03-18 - 2018-03-23 UiO |
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| 20. | Laestadius, Andre; Penz, Markus; Tellgren, Erik; Ruggenthaler, Michael; Kvaal, Simen; Helgaker, Trygve. Generalized Kohn-Sham iteration on Banach spaces. Journal of Chemical Physics 2018 ;Volume 149.(16) p. 1-9 UiO |
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| 21. | Pedersen, Thomas Bondo; Kvaal, Simen. Electron Dynamics with Coupled-Cluster Theory. Methods and Algorithms in Quantum Chemistry; 2018-12-13 - 2018-12-15 UiO |
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| 22. | Pedersen, Thomas Bondo; Kvaal, Simen. Time-Dependent Coupled-Cluster Theory. Landsmøte i Kjemi; 2018-10-16 - 2018-10-18 UiO |
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| 23. | Tellgren, Erik; Laestadius, Andre; Helgaker, Trygve; Kvaal, Simen; Teale, Andrew Michael. Uniform magnetic fields in density-functional theory. Journal of Chemical Physics 2018 ;Volume 148.(2) p. 1-19 UiO |
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| 24. | Tellgren, Erik; Lange, Kai Kaarvann; Sagvolden, Espen; Kvaal, Simen; Austad, Jon; Reimann, Sarah; Borgoo, Alex; Fliegl, Heike; Sen, Sangita; Helgaker, Trygve. Quantum chemistry for strong magnetic fields. Atoms, Molecules, and Materials in Extreme Environments (CAS Meeting); 2018-06-04 - 2018-06-06 UiO |
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2017
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| 25. | Faulstich, Fabian Maximilian; Laestadius, Andre; Legeza, Örs; Schneider, Reinhold; Kvaal, Simen. Mathematical aspects of the coupled-cluster method tailored by tensor-network states in quantum chemistry. IWR School Mathematical Methods for Quantum Chemistry; 2017-10-02 - 2017-10-06 UiO |
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2016
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| 26. | Kvaal, Simen; Laestadius, Andre. The extended coupled-cluster method and its rigorous analysis. Mathematical and numerical analysis of electronic structure models; 2016-07-04 - 2016-07-08 UiO |
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| 27. | Laestadius, Andre; Kvaal, Simen. Analysis of the Extended Coupled-Cluster Method. 8th Molecular Quantum Mechanics; 2016-06-26 - 2016-07-01 UiO |
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2015
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| 28. | Kvaal, Simen; Helgaker, Trygve. Ground-state densities from the Rayleigh-Ritz variation principle and from density-functional theory. Journal of Chemical Physics 2015 ;Volume 143.(18) UiO |
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| 29. | Tellgren, Erik; Teale, Andrew Michael; Ekström, Ulf Egil; Kvaal, Simen; Sagvolden, Espen; Helgaker, Trygve. Current density functional theory for molecular systems in strong magnetic fields. Fundamental Aspects of DFT; 2015-01-08 - 2015-01-10 UiO |
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2014
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| 30. | Helgaker, Trygve; Borgoo, Alex; Ekström, Ulf Egil; Furness, James; Hoffmann, Mark; Kvaal, Simen; Lange, Kai Kaarvann; Reimann, Sarah; Sagvolden, Espen; Stopkowicz, Stella; Tellgren, Erik; Teale, Andrew Michael. Density-Functional Theory in Magnetic Fields. Workshop on Magnetically Induced Currents in Molecules; 2014-11-17 - 2014-11-21 UiO |
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| 31. | Helgaker, Trygve; Kvaal, Simen; Ekström, Ulf Egil; Teale, Andrew Michael. Differentiable but Exact Formulation of Density-Functional Theory. Current Topics in Theoretical Chemistry (CTTC); 2014-08-25 - 2014-08-29 UiO |
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| 32. | Helgaker, Trygve; Kvaal, Simen; Ekström, Ulf Egil; Teale, Andy. Differentiable but Exact Formulation of Density-Functional Theory. 10th Triennial Congress of the World Association of Theoretical and Computational Chemists; 2014-10-05 - 2014-10-09 UiO |
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| 33. | Helgaker, Trygve; Kvaal, Simen; Teale, Andrew Michael; Ekström, Ulf Egil. Differentiable but Exact Formulation of Density-Functional Theory. 248th National Meeting & Exposition; 2014-08-10 - 2014-08-14 UiO |
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| 34. | Helgaker, Trygve; Kvaal, Simen; Teale, Andrew Michael; Ekström, Ulf Egil; Jørgensen, Poul; Olsen, Jeppe. Differentiable but Exact Formulation of Density-Functional Theory. The Future of Electronic Structure Theory (FUEST 2014); 2014-09-07 - 2014-09-20 UiO |
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| 35. | Jarlebring, Elias; Kvaal, Simen; Michiels, Wim. An inverse iteration method for eigenvalue problems with eigenvector nonlinearities. SIAM Journal on Scientific Computing 2014 ;Volume 36.(4) p. A1978-A2001 UiO |
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| 36. | Kvaal, Simen. Bivariational approximations & the orbital-adaptive coupled-cluster method. Mathematical and Numerical analysis of electronic structure models; 2014-04-07 - 2014-04-10 UiO |
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| 37. | Kvaal, Simen; Ekström, Ulf Egil; Teale, Andrew Michael; Helgaker, Trygve. Differentiable but exact formulation of density-functional theory. Journal of Chemical Physics 2014 ;Volume 140.(18) UiO |
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| 38. | Tellgren, Erik; Kvaal, Simen; Helgaker, Trygve. Fermion N -representability for prescribed density and paramagnetic current density. Physical Review A. Atomic, Molecular, and Optical Physics (PRA) 2014 ;Volume 89.(1) UiO |
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2013
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| 39. | Sagvolden, Espen; Tellgren, Erik; Kvaal, Simen; Ekström, Ulf Egil; Teale, Andrew Michael; Helgaker, Trygve. Building blocks of Current Density Functional Theory. VALCA; 2013-06-09 - 2013-06-12 UiO |
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| 40. | Ekström, Ulf Egil; Kvaal, Simen; Borgoo, Alex; Helgaker, Trygve; Sagvolden, Espen; Tellgren, Erik. Moreau-Yosida regularization of DFT. DFT2013; 2013-09-09 - 2013-09-13 UiO |
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| 41. | Kvaal, Simen. Ab initio dynamics using the coupled cluster method. Advances in time-dependent methods for quantum many-body problems; 2013-10-14 - 2013-10-18 UiO |
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| 42. | Kvaal, Simen. Abels Tårn. NRK P2 [Radio] 2013-05-24 UiO |
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| 43. | Kvaal, Simen. Variational formulations of the coupled-cluster method in quantum chemistry. Molecular Physics 2013 ;Volume 111.(9-11) p. 1100-1108 UiO |
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| 44. | Kvaal, Simen; Ekström, Ulf Egil; Tellgren, Erik; Borgoo, Alex; Helgaker, Trygve; Sagvolden, Espen. Moreau-Yosida regularization of DFT. VALCA2013; 2013-06-09 - 2013-06-12 UiO |
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| 45. | Sagvolden, Espen; Tellgren, Erik; Kvaal, Simen; Ekström, Ulf Egil; Teale, Andrew Michael; Helgaker, Trygve. Building blocks of Current Density Functional Theory. 15th International Conference on Density Functional Theory and its Applications; 2013-09-09 - 2013-09-13 UiO |
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2012
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| 46. | Halvorsen, Tore Gunnar; Kvaal, Simen. Manifestly gauge invariant discretizations of the Schrodinger equation. Physics Letters A 2012 ;Volume 376.(12-13) p. 1107-1114 UiO |
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| 47. | Kvaal, Simen. Ab initio quantum dynamics using coupled-cluster. Journal of Chemical Physics 2012 ;Volume 136.(19) p. - UiO |
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| 48. | Selstø, Sølve; Kvaal, Simen; Birkeland, Tore; Nepstad, Raymond; Førre, Morten. Double ionization with absorbers. EurophysicsNews 2012 ;Volume 43.(1) p. 15-16 OSLOMET OCEAN UiB UiO |
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| 49. | Tellgren, Erik; Kvaal, Simen; Sagvolden, Espen; Ekström, Ulf Egil; Teale, Andrew Michael; Helgaker, Trygve. Choice of basic variables in current-density-functional theory. Physical Review A. Atomic, Molecular, and Optical Physics (PRA) 2012 ;Volume 86.(6) p. - UiO |
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2011
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| 50. | Jarlebring, Elias; Kvaal, Simen; Michiels, Wim. Computing all Pairs (lambda, mu) Such That lambda is a Double Eigenvalue of A + mu B. SIAM Journal on Matrix Analysis and Applications 2011 ;Volume 32. p. 902-927 UiO |
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