Per‐Olov Löwdin

Uppsala University — Sweden

Physics and Astronomy · Physical Sciences

48h-index21.1kcitations197works0.02yr avg
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Research Topics

Advanced Chemical Physics Studies(45), History and advancements in chemistry(41), Advanced Physical and Chemical Molecular Interactions(26), Matrix Theory and Algorithms(24), Spectroscopy and Quantum Chemical Studies(18)

Publications197 total

Introduction, Part I
International Journal of Quantum Chemistry·2009· 32 cited
Introduction, Part II
International Journal of Quantum Chemistry·2009
Comments on some models of carcinogenesis
International Journal of Quantum Chemistry·2009· 2 cited
On operators, superoperators, hamiltonians, and liouvillians
International Journal of Quantum Chemistry·2009· 8 cited
Introduction
International Journal of Quantum Chemistry·2009Open Access
Twenty-five years of Sanibel symposia: A brief historic and scientific survey
International Journal of Quantum Chemistry·2009· 28 cited
The exchange phenomenon, the symmetric group, and the spin degeneracy problem
International Journal of Quantum Chemistry·2009· 10 cited
Upper and lower bounds in second-order perturbation theory and the unsÖld approximation
International Journal of Quantum Chemistry·2009· 28 cited
Calculation of lower bounds to energy eigenvalues by reduced density matrices and the representability problem
International Journal of Quantum Chemistry·2009· 3 cited
Introduction
International Journal of Quantum Chemistry·2009Open Access
Some current models of carcinogenesis
International Journal of Quantum Chemistry·2009· 16 cited
Some comments on the treatment of symmetry properties in perturbation theory
International Journal of Quantum Chemistry·2009· 6 cited
Some properties of inner projections
International Journal of Quantum Chemistry·2009· 29 cited
Electronic energy of the DNA replication plane
International Journal of Quantum Chemistry·2009· 3 cited
Eigenvalue problem in a linearly dependent basis and the super-secular-equation
International Journal of Quantum Chemistry·2009· 19 cited
Introduction
International Journal of Quantum Chemistry·2009Open Access
Some comments on the periodic system of the elements
International Journal of Quantum Chemistry·2009· 45 cited
Fundamental world of quantum chemistry : a tribute to the memory of Per-Olov Löwdin
2003· 1 cited
Quantum theory of cohesive properties of solids
Advances In Physics·2001· 219 cited
Connection between semi-empirical and ab initio methods in the quantum theory of molecular electronic spectra
International Journal of Quantum Chemistry·1999· 8 cited
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Frequent Co-authors

Harrison Shull(5), Jean‐Louis Calais(1), Anders Fröman(1), I. Mayer(1), Klaus E. Appel(1)