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- Per-Olov_Löwdin abstract "Per-Olov Löwdin (October 28, 1916 – October 6, 2000) was a Swedish physicist, professor at the University of Uppsala from 1960 to 1983, and in parallel at the University of Florida until 1993.A former graduate student under Ivar Waller, Löwdin formulated in 1950 the symmetric orthogonalization scheme for molecular orbital calculations. This scheme is the basis of the zero-differential overlap (ZDO) approximation used in semiempirical theories.He is also credited with the use of fat symbols for matrices, making easy the derivation of several theorems of quantum mechanics.The famous 'Löwdin's pairing theorem' used in ROHF, UHF and RES-GVB theories is not his. According to himself, George G. Hall and King made the formal proposition after an informal suggestion by Löwdin.His partitioning technique for quantum chemistry problems is best appreciated through the series of 14 papers on perturbation theory published between 1963 and 1971.He was also a very active teacher, starting the Summer Schools of Quantum Chemistry at Uppsala around 1958. In 1959 and 1960, Löwdin started the Quantum Theory Project at the University of Florida as a sister project to the Uppsala Quantum Chemistry Group. In 1964 he was joined by John C. Slater from MIT. The International Winter Institutes (held initially at Sanibel Island, and later at Gainesville) provided the initiation of hundreds of Latin American young scientists during the eighties and nineties. In 1960 he founded the Sanibel Symposium in conjunction with the Winter Institute. They have been held every year since 1960.Löwdin was elected a member of the Royal Swedish Academy of Sciences in 1969 and was a member of the committee for the Nobel Prize in Physics from 1972 to 1984. He was the founder of the International Journal of Quantum Chemistry and of the series Advances in Quantum Chemistry. He was a foundation member of the International Academy of Quantum Molecular Science.".
- Per-Olov_Löwdin almaMater Uppsala_University.
- Per-Olov_Löwdin award Niels_Bohr_International_Gold_Medal.
- Per-Olov_Löwdin birthDate "1916-10-28".
- Per-Olov_Löwdin birthPlace Uppsala.
- Per-Olov_Löwdin birthYear "1916".
- Per-Olov_Löwdin deathDate "2000-10-06".
- Per-Olov_Löwdin deathPlace Uppsala.
- Per-Olov_Löwdin deathYear "2000".
- Per-Olov_Löwdin doctoralAdvisor Ivar_Waller.
- Per-Olov_Löwdin field Physicist.
- Per-Olov_Löwdin knownFor Molecular_orbital.
- Per-Olov_Löwdin knownFor Perturbation_theory.
- Per-Olov_Löwdin knownFor Quantum_chemistry.
- Per-Olov_Löwdin wikiPageExternalLink 210.pdf.
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- Per-Olov_Löwdin wikiPageWikiLink Advances_in_Quantum_Chemistry.
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- Per-Olov_Löwdin wikiPageWikiLink Fat_symbol.
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- Per-Olov_Löwdin wikiPageWikiLink George_G._Hall.
- Per-Olov_Löwdin wikiPageWikiLink International_Academy_of_Quantum_Molecular_Science.
- Per-Olov_Löwdin wikiPageWikiLink International_Journal_of_Quantum_Chemistry.
- Per-Olov_Löwdin wikiPageWikiLink Ivar_Waller.
- Per-Olov_Löwdin wikiPageWikiLink John_C._Slater.
- Per-Olov_Löwdin wikiPageWikiLink Lxc3xb6wdins_pairing_theorem.
- Per-Olov_Löwdin wikiPageWikiLink Löwdin_partitioning_technique.
- Per-Olov_Löwdin wikiPageWikiLink Matrix_(mathematics).
- Per-Olov_Löwdin wikiPageWikiLink Molecular_orbital.
- Per-Olov_Löwdin wikiPageWikiLink Niels_Bohr_International_Gold_Medal.
- Per-Olov_Löwdin wikiPageWikiLink Niels_Bohr_Medal.
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- Per-Olov_Löwdin wikiPageWikiLink Perturbation_theory.
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- Per-Olov_Löwdin wikiPageWikiLink ROHF.
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- Per-Olov_Löwdin wikiPageWikiLink Sanibel_Symposium.
- Per-Olov_Löwdin wikiPageWikiLink Symmetric_orthogonalization.
- Per-Olov_Löwdin wikiPageWikiLink University_of_Florida.
- Per-Olov_Löwdin wikiPageWikiLink University_of_Uppsala.
- Per-Olov_Löwdin wikiPageWikiLink Unrestricted_Hartree–Fock.
- Per-Olov_Löwdin wikiPageWikiLink Uppsala.
- Per-Olov_Löwdin wikiPageWikiLink Uppsala_University.
- Per-Olov_Löwdin wikiPageWikiLinkText "Löwdin".
- Per-Olov_Löwdin wikiPageWikiLinkText "Per-Olov Löwdin".
- Per-Olov_Löwdin almaMater Uppsala_University.
- Per-Olov_Löwdin birthDate "1916-10-28".
- Per-Olov_Löwdin birthPlace "Uppsala, Sweden".
- Per-Olov_Löwdin caption "Photograph of Per-Olov Löwdin.".
- Per-Olov_Löwdin dateOfBirth "1916-10-28".
- Per-Olov_Löwdin dateOfDeath "2000-10-06".
- Per-Olov_Löwdin deathDate "2000-10-06".
- Per-Olov_Löwdin deathPlace "Uppsala, Sweden".
- Per-Olov_Löwdin doctoralAdvisor Ivar_Waller.
- Per-Olov_Löwdin field Physicist.
- Per-Olov_Löwdin hasPhotoCollection Per-Olov_Löwdin.
- Per-Olov_Löwdin imageSize "200".
- Per-Olov_Löwdin knownFor Molecular_orbital.
- Per-Olov_Löwdin knownFor Perturbation_theory.
- Per-Olov_Löwdin knownFor Quantum_chemistry.
- Per-Olov_Löwdin name "Löwdin, Per-Olov".
- Per-Olov_Löwdin name "Per-Olov Löwdin".
- Per-Olov_Löwdin nationality "Swedish".
- Per-Olov_Löwdin placeOfBirth "Uppsala, Sweden".
- Per-Olov_Löwdin placeOfDeath "Uppsala, Sweden".
- Per-Olov_Löwdin prizes Niels_Bohr_International_Gold_Medal.
- Per-Olov_Löwdin prizes Niels_Bohr_Medal.
- Per-Olov_Löwdin shortDescription "Swedish physicist".
- Per-Olov_Löwdin title "Publications".
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- Per-Olov_Löwdin workInstitution University_of_Florida.
- Per-Olov_Löwdin workInstitution University_of_Uppsala.
- Per-Olov_Löwdin workInstitution Uppsala_University.
- Per-Olov_Löwdin description "Swedish physicist".