AIMS Skog's theory of collective drinking behaviour implies that countries with a strict informal social control of drinking alcohol would not exhibit 'collective displacement' of consumption (a linear association between population mean consumption and percentile values across the full range of the distribution), as do countries with less informal social control. This paper aimed to test this ...

Collective communication is widely used in MPI programs. However, its misuse may cause synchronization errors. This paper first proposes an extention to an existing static barrier analysis approach, so that it can check one necessary condition for correct collective communication. Since previous analyzers do not distinguish different communicators, they may report false alarms. This paper furth...