A triz-directed approach in proposing device-oriented ideas that cultivate water-drinking habits among children

Directed domination in oriented hypergraphs

ErdH{o}s [On Sch"utte problem, Math. Gaz. 47 (1963)] proved that every tournament on $n$ vertices has a directed dominating set of at most $log (n+1)$ vertices, where $log$ is the logarithm to base $2$. He also showed that there is a tournament on $n$ vertices with no directed domination set of cardinality less than $log n - 2 log log n + 1$. This notion of directed domination number has been g...

Smoking habits among school children in Norway.

Mortality from lung cancer among urban males has in the last 20 years risen 10-fold in Norway. This fact, seen in relation to the connexion between smoking and lung cancer, makes excessive smoking a serious problem. Understanding the difficulty of making an adult habitual smoker stop smoking, the Norwegian Cancer Society has found it necessary to begin preventive work among the young. A Committ...

Student drinking habits.

In recent years, medical students in Sheffield have carried out research projects as part of their final year course in general practice and public health. Three such projects were on student drinking habits, of which two were based on two different halls of residence and the third on a sample of medical students. All the projects involved random samples with approximately equal numbers of men ...

Seeding new ideas in adolescent eating habits.

Changes in a Service Oriented Enterprise: A Game Theory Approach

Service Oriented Enterprises (SOEs) are subject to constant change and variation. In this paper, the changes are considered from an economic perspective based on service culture notion. Once a change is implemented, the costs of some member services may increase, whereas the costs of some other services may reduce. We construct a game theoretic model trying to capture the possible conflicting i...