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Order embedding information


In order theory, a branch of mathematics, an order embedding is a special kind of monotone function, which provides a way to include one partially ordered set into another. Like Galois connections, order embeddings constitute a notion which is strictly weaker than the concept of an order isomorphism. Both of these weakenings may be understood in terms of category theory.

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Order embedding

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In order theory, a branch of mathematics, an order embedding is a special kind of monotone function, which provides a way to include one partially ordered...

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Embedding

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derivative is everywhere injective. An embedding, or a smooth embedding, is defined to be an immersion that is an embedding in the topological sense mentioned...

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Order isomorphism

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That is, it is a bijective order-embedding. It is also possible to define an order isomorphism to be a surjective order-embedding. The two assumptions that...

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Order theory

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a surjective order-embedding. Hence, the image f(P) of an order-embedding is always isomorphic to P, which justifies the term "embedding". A more elaborate...

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Partially ordered set

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{\displaystyle \leq .} If an order-embedding between two posets S and T exists, one says that S can be embedded into T. If an order-embedding f : S → T {\displaystyle...

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Embedded

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embedded, embed, or embedding in Wiktionary, the free dictionary. Embedded or embedding (alternatively imbedded or imbedding) may refer to: Embedding...

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Word embedding

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In natural language processing (NLP), a word embedding is a representation of a word. The embedding is used in text analysis. Typically, the representation...

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Center embedding

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In linguistics, center embedding is the process of embedding a phrase in the middle of another phrase of the same type. This often leads to difficulty...

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Embedded system

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An embedded system is a computer system—a combination of a computer processor, computer memory, and input/output peripheral devices—that has a dedicated...

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Glossary of order theory

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distribute over arbitrary meets. Completion. A completion of a poset is an order-embedding of the poset in a complete lattice. Completion by cuts. Synonym of...

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Segre embedding

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In mathematics, the Segre embedding is used in projective geometry to consider the cartesian product (of sets) of two projective spaces as a projective...

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Dedekind cut

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ordered set, a completion of S means a complete lattice L with an order-embedding of S into L. The notion of complete lattice generalizes the least-upper-bound...

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Book embedding

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In graph theory, a book embedding is a generalization of planar embedding of a graph to embeddings in a book, a collection of half-planes all having the...

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Embedded atom model

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location of atom i {\displaystyle i} , and F {\displaystyle F} is an embedding function that represents the energy required to place atom i {\displaystyle...

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Isometry

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that an order embedding between partially ordered sets is injective. Clearly, every isometry between metric spaces is a topological embedding. A global...

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Bidirectional text

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"isolates". An "embedding" signals that a piece of text is to be treated as directionally distinct. The text within the scope of the embedding formatting characters...

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Nash embedding theorems

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Nash embedding theorems (or imbedding theorems), named after John Forbes Nash Jr., state that every Riemannian manifold can be isometrically embedded into...

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Monotonic function

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are order embeddings (functions for which x ≤ y {\displaystyle x\leq y} if and only if f ( x ) ≤ f ( y ) ) {\displaystyle f(x)\leq f(y))} and order isomorphisms...

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Sobolev inequality

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W^{\ell ,q}(\mathbf {R} ^{n})} and the embedding is continuous. In the special case of k = 1 and ℓ = 0, Sobolev embedding gives W 1 , p ( R n ) ⊆ L p ∗ ( R...

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List of order theory topics

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algebra Monotonic Pointwise order of functions Galois connection Order embedding Order isomorphism Closure operator Functions that preserve suprema/infima...

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Nonlinear dimensionality reduction

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optimizes to find an embedding that aligns the tangent spaces. Maximum Variance Unfolding, Isomap and Locally Linear Embedding share a common intuition...

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Knowledge graph embedding

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dimension d {\displaystyle d} , called embedding dimension. In the general case, we can have different embedding dimensions for the entities d {\displaystyle...

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Planar graph

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planar graph. A 1-outerplanar embedding of a graph is the same as an outerplanar embedding. For k > 1 a planar embedding is k-outerplanar if removing the...

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Embedment

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can flatten an appreciable amount in the order of thousandths of an inch. In critical fastener joints, embedment can mean loss of preload. Flattening of...

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Embedded database

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footprint and is well-suited for embedding in applications which require high-performance and concurrency. As with most embedded database systems, HailDB is...

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