One of methods to construct the reciprocity homomorphism uses class formation.

In mathematics, a class formation is a topological group acting on a module satisfying certain conditions.

Often the fundamental classes are considered to be part of the structure of a class formation.

Common themes include the social and political changes, examinations of class formation, and racial/ethnic tensions.

Instruments of mobilization are crucial for class formation.

It was formulated abstractly as a theory of class formations.

The study of transnational class formation was central in the work at the University of Amsterdam.

The state, rural class formation, and peasant participation in Zambia: case of southern province.

He also undertook work on capitalist class formation that appeared in Who Rules Britain?

For a description of the general case of local class field theory see class formation.