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This paper reports on physical limitations on metamaterials in scattering and antenna problems. A dispersion relation for the extinction cross section is derived from the holomorphic properties of the forward scattering dyadic. The result states that for a given volume, there is only a limited amount of scattering and absorption available in the entire frequency range. The dispersion relation is v
Although the divergence over the last decades between Europe and USA has drawn much attention, the dispersion of rates of economic growth is even larger among the countries within Europe. There is reason to presume that the more successful among the European countries are those that have set more innovations into production. This paper exploits the correlation between innovation, as materialized i
The multiple-input-multiple-output (MIMO) throughput of a given wireless system is a better indication of end user experience, as compared to conventional MIMO performance metrics such as capacity and diversity gains. This paper demonstrates throughput performance of a six-port dielectric resonator antenna (DRA) array for Wireless-LAN (WLAN) applications in a measured indoor office environment whe
The paper discusses the legacy of the ujamaa ideology in contemporary Tanzania through the concept of civil religion and current strives along inter-religious and intra-religious lines. By using Demerath III's theory on secularisation and sacralisation, contemporary religious voices in Tanzania are intepreted as agents of secularisation that desacralises the now sacred legacy of the ujamaa ideolog
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This paper explores the participation, presence and agency of women in the transitional justice processes. We are concerned with the critical questions of how women agency is enabled and/or constrained in contemporary transitional justice and peacebuilding processes and how the gendering of agency may affect transformations towards a gender-just peace. Gendered hierarchies in peacebuilding and tra
