Welcome Invited lectures and chairs Programme Contact and committees Abstracts Accommodation Useful links Sponsors
  Legacy lectures Löwdin lectures Social Events and Excursions Venue General information Registration Uppsala

A Celebration of the Swedish School:
the legacy lectures

It is an astonishing statistic, given that it is a region with a relatively small population, that much of what underpins modern computational quantum chemistry has its roots in Scandinavia, and particularly in Sweden. 

One must of course recognize the absolutely fundamental role in quantum mechanics played by the Dane Niels Bohr, as well as the Swedes Oskar Klein and Johannes Rydberg, but also in the specific case of molecular electronic structure and what is now termed "electron correlation" the contributions of Hylleraas In Norway, which actually predate some of the mid-1920s publications in modern quantum mechanics. Sweden, starting in the late 1940s, made contributions that literally defined the field. For example, the term "electron correlation" in the earlier sentence was coined by Per-Olov Löwdin. And what is now utilized daily and labelled "unrestricted Hartree-Fock" follows directly from the analysis of the H2 wave function as a function of internuclear distance by Coulson and Fischer (as she was then). And all of this before any widespread advent of electronic computers!  In the computational era Roos and Siegbahn were already optimizing basis sets before their work, following Roos' initial suggestion, on the "direct CI" method. At the same time Almlöf was completely rewriting the book on both how to evaluate integrals over Gaussian functions and how to handle molecular symmetry efficiently. Roos and Siegbahn went on to introduce the CASSCF method as well as making many contributions to the treatment of dynamical correlation, while Almlöf pioneered direct SCF methods and the introduction of atomic natural orbital basis sets. Meanwhile, the Stockholm school under Fischer-Hjalmars had moved into the study of complex molecules such as transition-metal species, and aspects of their biological function. And the quantum-chemical powerhouse of Uppsala, under Löwdin's leadership, had not only made a myriad of contributions to the theory of quantum chemistry over the decades, but had also launched the careers of theoreticians who established quantum chemistry in institutions across Scandinavia: Denmark, Finland, and Norway, as well as in Sweden. This meeting is a celebration of an activity whose roots are firmly Scandinavian, whose early growth was Swedish, and whose modern flowering is again Scandinavian. Come and celebrate this centenary with us, in the cradle of quantum chemistry. Välkomna!

To reflect upon this the MQM 2016 conference offers four legacy lecture in memory of Inga Fischer-Hjalmars, Per-Olov Löwdin, Björn O. Roos, and Jan Almlöf, and one in honour of Per E. M. Siegbahn.

Below you will find a brief presentation of the five subjects of the legacy lectures.

Inga Fischer-Hjalmars
Per-Olov Löwdin
Björn O. Roos
Jan Almlöf
Per E. M. Siegbahn