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1 универсальная накрывающая группа
Русско-английский физический словарь > универсальная накрывающая группа
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2 универсальная накрывающая группа
Makarov: universal covering groupУниверсальный русско-английский словарь > универсальная накрывающая группа
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Covering group — This article is about topological covering group. For algebraic covering group, see universal perfect central extension. In mathematics, a covering group of a topological group H is a covering space G of H such that G is a topological group and… … Wikipedia
Covering space — A covering map satisfies the local triviality condition. Intuitively, such maps locally project a stack of pancakes above an open region, U, onto U. In mathematics, more specifically algebraic topology, a covering map is a continuous surjective… … Wikipedia
Covering graph — In the mathematical discipline of graph theory, a graph C is a covering graph of another graph G if there is a covering map from the vertex set of C to the vertex set of G. A covering map f is a surjection and a local isomorphism: the… … Wikipedia
Fundamental group — In mathematics, the fundamental group is one of the basic concepts of algebraic topology. Associated with every point of a topological space there is a fundamental group that conveys information about the 1 dimensional structure of the portion of … Wikipedia
Universal health care — is health care coverage which is extended to all eligible residents of a governmental region. Universal health care programs vary widely in their structure and funding mechanisms, particularly the degree to which they are publicly funded.… … Wikipedia
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Universal Century — is the English name for the original timeline of the Gundam anime metaseries. It is also called Uchuu Seiki , meaning The Century of Space , in Japanese, but the official English name UC (abbreviation of Universal Century) is often used instead… … Wikipedia
Modular group — For a group whose lattice of subgroups is modular see Iwasawa group. In mathematics, the modular group Γ is a fundamental object of study in number theory, geometry, algebra, and many other areas of advanced mathematics. The modular group can be… … Wikipedia
Representation theory of the Galilean group — In nonrelativistic quantum mechanics, an account can be given of the existence of mass and spin as follows:The spacetime symmetry group of nonrelativistic quantum mechanics is the Galilean group. In 3+1 dimensions, this is the subgroup of the… … Wikipedia
Universal Business Language — (UBL) is a library of standard electronic XML business documents such as purchase orders and invoices. UBL was developed by an OASIS Technical Committee with participation from a variety of industry data standards organizations. UBL is designed… … Wikipedia
Orthogonal group — Group theory Group theory … Wikipedia