Bertel Hansen (1932-2005)

Éditorial: Edmond Bianco (1932-2005)

The Hansen Scheme Revisited

In this paper, we present a modification of a closed-loop identification scheme known as the “Hansen scheme”. The advantage of the alternative procedure is that the order of the resulting model is tunable by the user.

Robin Holliday 1932–2014

Robin Holliday When the founder of a field of investigation departs from our midst, there is the palpable feeling among his or her close associates that an era has come to an end. Such is the sense that the elders of the field of genetic recombination feel with the passing of Robin Holliday, whose very name is synonymous with the process. Hediedathis homeon theoutskirtsofSydney, Australia, on t...

Op-brhe130268 1931..1932

We have known about the strong association between AS and the HLA-B*27 (B*27) gene for the past 40 years; however, the mechanism with which only some allomorphs of the HLA-B27 molecule, as well as some other HLA class I molecules, are involved in the occurrence of SpAs is still unclear [1]. In this issue of Rheumatology, Cauli et al. [2] present data that may aid our understanding of this mecha...

231-242 Hansen sum

The case for adopting a proficiencies approach to instruction and learning in the economics major is reiterated. This approach focuses on what graduating majors should be able to do with the knowledge and skills they acquire in the major, that is, their ability to demonstrate their learning in practical ways. The author’s list of five proficiencies, advanced in the mid-1980s, is reviewed and re...