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Identity component information


In mathematics, specifically group theory, the identity component of a group G (also known as its unity component) refers to several closely related notions of the largest connected subgroup of G containing the identity element.

In point set topology, the identity component of a topological group G is the connected component G0 of G that contains the identity element of the group. The identity path component of a topological group G is the path component of G that contains the identity element of the group.

In algebraic geometry, the identity component of an algebraic group G over a field k is the identity component of the underlying topological space. The identity component of a group scheme G over a base scheme S is, roughly speaking, the group scheme G0 whose fiber over the point s of S is the connected component (Gs)0 of the fiber Gs, an algebraic group.[1]

  1. ^ SGA 3, v. 1, Exposé VI, Définition 3.1

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Identity component

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mathematics, specifically group theory, the identity component of a group G (also known as its unity component) refers to several closely related notions...

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Component

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catena Component ingredient, in a culinary dish Composition (disambiguation) Decomposition (disambiguation) Giant component Identity component Irreducible...

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Identity disturbance

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An identity disturbance is a deficiency or inability to maintain one or more major components of identity. These components include a sense of continuity...

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Principal component analysis

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Principal component analysis (PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data...

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Radical of an algebraic group

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The radical of an algebraic group is the identity component of its maximal normal solvable subgroup. For example, the radical of the general linear group...

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Symmetric space

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open, it is a union of components of Gσ (including, of course, the identity component). As an automorphism of G, σ fixes the identity element, and hence,...

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Indefinite orthogonal group

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example is the squeeze mappings, which is the group SO+(1, 1) of (the identity component of) linear transforms preserving the unit hyperbola. Concretely, these...

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Geometrization conjecture

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space is sometimes called "Twisted H2 × R". The group G has 2 components. Its identity component has the structure ( R × S L ~ 2 ( R ) ) / Z {\displaystyle...

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Lorentz group

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connected. The four connected components are not simply connected. The identity component (i.e., the component containing the identity element) of the Lorentz...

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Reductive group

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over a field k. The algebraic group O(q) has two connected components, and its identity component SO(q) is reductive, in fact simple for q of dimension n...

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Dissociative identity disorder

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increase in identities, or simply that the psychiatric community has become more accepting of a high number of compartmentalized memory components.[failed...

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Point reflection

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non-identity component), and there is no natural sense in which it is a "farther point" than any other point in the non-identity component, but it does...

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Lie algebra

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transpose of a matrix. The orthogonal group has two connected components; the identity component is called the special orthogonal group S O ( n ) {\displaystyle...

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Abelian Lie group

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^{n}} by a lattice. Let A be a compact abelian Lie group with the identity component A 0 {\displaystyle A_{0}} . If A / A 0 {\displaystyle A/A_{0}} is...

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Online identity

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Internet identity (IID), also online identity, online personality, online persona or internet persona, is a social identity that an Internet user establishes...

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Gender identity

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Gender identity is the personal sense of one's own gender. Gender identity can correlate with a person's assigned sex or can differ from it. In most individuals...

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Identity management

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2023. "History of Identity Management". sailpoint.com. SailPoint Technologies. Retrieved 12 May 2021. "Identity management as a component of IT Security"...

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Lie group

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subgroup of G {\displaystyle G} generated by N {\displaystyle N} is the identity component of G {\displaystyle G} . The exponential map and the Lie algebra determine...

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Digital identity

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confirming one's identity on the internet, and allowing digital systems to manage interactions between different parties. It is a component of a person's...

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Spin group

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spin groups. It is a double cover of SO0(p, q), the connected component of the identity of the indefinite orthogonal group SO(p, q). For p + q > 2, Spin(p...

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List of trigonometric identities

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these are identities involving certain functions of one or more angles. They are distinct from triangle identities, which are identities potentially...

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Albert algebra

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56-dimensional structurable algebra whose automorphism group has identity component the simply-connected algebraic group of type E6. The space of cohomological...

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Diagonalizable group

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"rigidity" states that the identity component of the centralizer of a diagonalizable group coincides with the identity component of the normalizer of the...

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Identity formation

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Identity formation, also called identity development or identity construction, is a complex process in which humans develop a clear and unique view of...

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Information card

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card (or i-card) is a personal digital identity that people can use online, and the key component of an identity metasystem. Visually, each i-card has...

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