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Graded vector space information


In mathematics, a graded vector space is a vector space that has the extra structure of a grading or gradation, which is a decomposition of the vector space into a direct sum of vector subspaces, generally indexed by the integers.

For "pure" vector spaces, the concept has been introduced in homological algebra, and it is widely used for graded algebras, which are graded vector spaces with additional structures.

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Graded vector space

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mathematics, a graded vector space is a vector space that has the extra structure of a grading or gradation, which is a decomposition of the vector space into a...

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Super vector space

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In mathematics, a super vector space is a Z 2 {\displaystyle \mathbb {Z} _{2}} -graded vector space, that is, a vector space over a field K {\displaystyle...

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Graded ring

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gradation or grading. A graded module is defined similarly (see below for the precise definition). It generalizes graded vector spaces. A graded module that...

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Vector space

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In mathematics and physics, a vector space (also called a linear space) is a set whose elements, often called vectors, may be added together and multiplied...

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Exterior algebra

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In mathematics, the exterior algebra or Grassmann algebra of a vector space V {\displaystyle V} is an associative algebra that contains V , {\displaystyle...

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Tensor product

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product V ⊗ W {\displaystyle V\otimes W} of two vector spaces V and W (over the same field) is a vector space to which is associated a bilinear map V × W...

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Geometric algebra

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{Z} } -graded vector space to Z 2 {\displaystyle \mathrm {Z} _{2}} -graded vector space. The geometric product respects this coarser grading. Thus in...

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Differential graded Lie algebra

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abstract algebra and topology, a differential graded Lie algebra (or dg Lie algebra, or dgla) is a graded vector space with added Lie algebra and chain complex...

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Grade

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meanings Graded poset, a partially ordered set equipped with a rank function, sometimes called a ranked poset Graded vector space, a vector space with an...

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Differential algebra

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this graded vector space: V ∙ = ⨁ m ∈ Z V m {\displaystyle V_{\bullet }=\bigoplus _{m\in \mathbb {Z} }V_{m}} A differential graded vector space or chain...

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Ordered vector space

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ordered vector space or partially ordered vector space is a vector space equipped with a partial order that is compatible with the vector space operations...

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Symmetric algebra

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\bigoplus _{n=0}^{\infty }\operatorname {Sym} ^{n}(V),} which is a graded vector space (or a graded module). It is not an algebra, as the tensor product of two...

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Symmetric tensor

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polynomials of degree r on V. Over fields of characteristic zero, the graded vector space of all symmetric tensors can be naturally identified with the symmetric...

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Category of modules

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) Category of rings Derived category Module spectrum Category of graded vector spaces Category of abelian groups Category of representations Change of...

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Differential graded algebra

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differential graded algebra is a graded associative algebra with an added chain complex structure that respects the algebra structure. A differential graded algebra...

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Hilbert series and Hilbert polynomial

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or a module is a special case of the Hilbert–Poincaré series of a graded vector space. The Hilbert polynomial and Hilbert series are important in computational...

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Representation of a Lie superalgebra

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of a Lie superalgebra is an action of Lie superalgebra L on a Z2-graded vector space V, such that if A and B are any two pure elements of L and X and...

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Graded structure

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V=\bigoplus _{i\in I}V_{i}} of spaces. A graded linear map is a map between graded vector spaces respecting their gradations. A graded ring is a ring that is...

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Outline of algebraic structures

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Lie algebras. Graded algebra: a graded vector space with an algebra structure compatible with the grading. The idea is that if the grades of two elements...

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Khovanov homology

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link L, we assign the Khovanov bracket [D], a cochain complex of graded vector spaces. This is the analogue of the Kauffman bracket in the construction...

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Flat vector bundle

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the property d 2 = 0 {\displaystyle d^{2}=0} . In other words, the graded vector space Ω X ∗ ( E ) {\displaystyle \Omega _{X}^{*}(E)} is a cochain complex...

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Comodule

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over that coalgebra. A graded vector space V can be made into a comodule. Let I be the index set for the graded vector space, and let C I {\displaystyle...

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Spinor

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complex number-based vector space that can be associated with Euclidean space. A spinor transforms linearly when the Euclidean space is subjected to a slight...

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Homotopy associative algebra

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{\displaystyle (A^{\bullet },m_{i})} is a Z {\displaystyle \mathbb {Z} } -graded vector space over a field k {\displaystyle k} with a series of operations m i...

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Graded Lie algebra

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mathematics, a graded Lie algebra is a Lie algebra endowed with a gradation which is compatible with the Lie bracket. In other words, a graded Lie algebra...

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