Banach algebra can be associated with a group called its abstract index group. Let A be a Banach algebra and G the group of invertible elements in A. The set...

City Index is a global spread betting, FX and CFD Trading provider. City Index is part of the Nasdaq listed StoneX Group and is regulated by the Financial...

In mathematics, specifically group theory, the index of a subgroup H in a group G is the number of left cosets of H in G, or equivalently, the number of...

the FTSE 350 Index, and the FTSE SmallCap Index. The index is maintained by FTSE Russell, a subsidiary of the London Stock Exchange Group. It aims to represent...

In optics, the refractive index (or refraction index) of an optical medium is a dimensionless number that gives the indication of the light bending ability...

The Democracy Index published by the Economist Group is an index measuring the quality of democracy across the world. This quantitative and comparative...

Frank Russell Company in 1984. The index is maintained by FTSE Russell, a subsidiary of the London Stock Exchange Group (LSEG). The Russell 2000 is by far...

The index, which was launched on January 1, 1984, is maintained by FTSE Russell, a subsidiary of the United Kingdom-based London Stock Exchange Group. The...

limited to 10%. This is mainly to limit Nokia's weight in the index, although Fortum and Sampo Group were also capped in a February 2009 reshuffle. As of October...

of a scholarly journal as well as a group of scientists, such as a department or university or country. The index was suggested in 2005 by Jorge E. Hirsch...