Gerhard vom Rath

Speaker: Gerhard Grunder, Germany

Depression after coronary artery bypass graft (CABG) surgery is common (up to 40%) and increases risk of cardiac morbidity and mortality in the first year by more than two fold. However, current scarcity of data on etiopathogenesis of post-CABG depression hampers development of prevention or treatment strategies of post-CABG depression. “Vascular Depression” hypothesis posits that cerebrovascul...

Government 'encouraging snake-oil salesman' Rath.

IZINDABA Bowing to legal pressure, the Medicines Control Council (MCC) has ordered a probe into 'clinical trials' by controversial entrepreneur Matthias Rath of his widely touted 'wonder vitamins' that allegedly outperform antiretroviral (ARV) drugs. However, it has baulked at publicly endorsing antiretroviral therapy (ART) as 'best practice'. Nor is it likely to unless ordered by a court of la...

and Gerhard Nygaard

In dealing with a large-scale system, one usually does not have adequate knowledge of the plant parameters and interactions among subsystems. The decentralized adaptive technique, designed independently for local subsystems and using locally available signals for feedback propose, is an appropriate strategy to be employed. In the context of decentralized adaptive control, a number of results ha...

Gerhard Ertl - Nobel Lecture

The Adaptive Tutoring System RATH a Prototype

Adaptive tutoring systems (ATS) adapt to the student’s knowledge in the domain taught. This means, that lessons, examples, or test and training problems are presented to students only if they know all prerequisites for understanding the material. A theoretical framework for such individual selection of material exists in the theory of knowledge spaces (Doignon and Falmagne, 1985, 1998; Albert, ...