For most of the twentieth century, geopolitical analysis rested on a comforting fiction: that the world could be divided cleanly into categories. States were allies or adversaries, wars were declared ...

A mathematical technique for dealing with imprecise data and problems that have many solutions rather than one. Although it is implemented in digital computers which ultimately make only yes-no ...

Academics have developed a maximum power point tracking (MPPT) algorithm for PV systems that combines incremental conductance with fuzzy logic control. The inputs used are the sum of conductance and ...