Fukuda and Handa [7] asked whether every even partial cube G is harmonic-even. It is shown that the answer is positive if the isometric dimension of G equals its diameter which is in turn true for partial cubes with isometric dimension at most 6. Under an additional technical condition it is proved that an even partial cube G is harmonic-even or has two adjacent vertices whose diametrical verti...

This article discusses what ethicists have called “unacceptable trade-offs” in health policy choices related to universal health coverage (UHC). Since the fiscal space is constrained, trade-offs need to be made. But some trade-offs are unacceptable on the path to universal coverage. Unacceptable choices include, among other examples from low-income countries, to expand coverage for services wit...

even though subsequent to the cold war, washington and moscow geostrategic competition came to an end in many parts of the world, a fresh rivalry has been sparked between them in central asia and the caucasus. this rivalry has been developed between regional and transregional powers with the aim of gaining geopolitical advantages, enhancement of security structures, dominance over energy resour...