Ethnic Structure of Contemporary Ukraine

Ethnic Relations in Contemporary China

Comparing with other ancient civilizations, China has very unique characteristics of a continuing written history throughout a series of successive dynasties over at least 3,000 years. The intensive interactions among different groups in the East Asian Continent in those years finally resulted in a multi-ethnic political entity with a huge population and a special culture-centered identity. In ...

Ancient Iranian Urban Structure and its Situation in Contemporary City

Limits of a Post-Soviet State: How Informality Replaces, Renegotiates, and Reshapes Governance in Contemporary Ukraine

A contemporary perspective of geoid structure

Thepresentpaper reviews thecontemporary stateofdefinitionand theoryof thegeoid. Key features are: quasigeoid, externalgravitational field from satellites and its analytical downward continuation to the Earth's interior, data combination by least-squares collocation, and a new view of gravity reduction. This is done under the modern systematic perspective provided by the possibility of a purely ...

the structure of lie derivations on c*-algebras

نشان می دهیم که هر اشتقاق لی روی یک c^*-جبر به شکل استاندارد است، یعنی می تواند به طور یکتا به مجموع یک اشتقاق لی و یک اثر مرکز مقدار تجزیه شود. کلمات کلیدی: اشتقاق، اشتقاق لی، c^*-جبر.