In order theory a better-quasi-ordering or bqo is a quasi-ordering that does not admit a certain type of bad array. Every better-quasi-ordering is a well-quasi-ordering...
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In mathematics, specifically order theory, a well-quasi-ordering or wqo on a set X {\displaystyle X} is a quasi-ordering of X {\displaystyle X} for which...
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Preorder (redirect from Quasi-ordering)
total Directed set Category of preordered sets Prewellordering Well-quasi-ordering For "proset", see e.g. Eklund, Patrik; Gähler, Werner (1990), "Generalized...
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language) have a conventional ordering, used in dictionaries and encyclopedias, that depends on the underlying ordering of the alphabet of symbols used...
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Quasicrystal (redirect from Quasi-crystal)
offered evidence for the existence of natural quasicrystals. Roughly, an ordering is non-periodic if it lacks translational symmetry, which means that a...
55 KB (5,741 words) - 22:09, 22 November 2024
every non-empty subset of S has a least element in this ordering. The set S together with the ordering is then called a well-ordered set. In some academic...
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In mathematics, especially order theory, a weak ordering is a mathematical formalization of the intuitive notion of a ranking of a set, some of whose...
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BQO may refer to: Better-quasi-ordering, a mathematical relation Balo language (by 639-3 language code) Tehini Airport (by IATA airport code) This disambiguation...
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the quasi-Monte Carlo method is a method for numerical integration and solving some other problems using low-discrepancy sequences (also called quasi-random...
12 KB (1,741 words) - 11:16, 16 February 2024
A quasi-experiment is an empirical interventional study used to estimate the causal impact of an intervention on target population without random assignment...
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Kruskal's tree theorem (category Order theory)
theorem states that the set of finite trees over a well-quasi-ordered set of labels is itself well-quasi-ordered under homeomorphic embedding. The theorem was...
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Ordered field (redirect from Field ordering)
its standard ordering (which is also its only ordering); the field R {\displaystyle \mathbb {R} } of real numbers with its standard ordering (which is also...
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Partially ordered set (redirect from Partial ordering relation)
contained in some total order. Stochastic dominance – Partial order between random variables Strict weak ordering – strict partial order "<" in which the relation...
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ordered set then f induces a total ordering on X by setting x1 ≤ x2 if and only if f(x1) ≤ f(x2). The lexicographical order on the Cartesian product of a family...
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countable dense linear order is isomorphic to the ordering of the rational numbers. Explicit order isomorphisms between the quadratic algebraic numbers...
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In mathematics, more specifically category theory, a quasi-category (also called quasicategory, weak Kan complex, inner Kan complex, infinity category...
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subset has a least element Well-quasi-orderings, a class of preorders generalizing the well-orders Glossary of order theory List of order theory topics...
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circular ordering (Mosher 1996, p. 109). Some authors call such an ordering a total cyclic order (Isli & Cohn 1998, p. 643), a complete cyclic order (Novák...
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English modal auxiliary verbs (redirect from Had better)
a semi-modal, or an emerging or quasi-modal verb. Negating had better, whether by had better not or by hadn't better, normally negates the subordinate...
81 KB (9,927 words) - 12:23, 21 October 2024
is called orderable or linearly orderable if there exists a total order on its elements such that the order topology induced by that order and the given...
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Well-founded relation Ordinal number Well-quasi-ordering Semilattice Lattice (Directed) complete partial order, (d)cpo Bounded complete Complete lattice...
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B} , respectively, the product order (also called the coordinatewise order or componentwise order) is a partial ordering ≤ {\displaystyle \leq } on the...
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Limited-memory BFGS (redirect from Orthant-wise limited-memory quasi-Newton)
BFGS (L-BFGS or LM-BFGS) is an optimization algorithm in the family of quasi-Newton methods that approximates the Broyden–Fletcher–Goldfarb–Shanno algorithm...
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In mathematical order theory, an ideal is a special subset of a partially ordered set (poset). Although this term historically was derived from the notion...
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Monotonic function (redirect from Order-preserving)
or reverses the given order. This concept first arose in calculus, and was later generalized to the more abstract setting of order theory. In calculus,...
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this preorder is even a partial order (called the specialization order). On the other hand, for T1 spaces the order becomes trivial and is of little...
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and relations of a partial ordering. These are graph drawings where the vertices are the elements of the poset and the ordering relation is indicated by...
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Autonomy (redirect from Quasi-autonomy)
other fully autonomous entities or processes. The term quasi-autonomy (coined with prefix quasi- / "resembling" or "appearing") designates formally acquired...
66 KB (8,335 words) - 13:49, 17 November 2024
Secant method (category Quasi-Newton methods)
finite-difference approximation of Newton's method, so it is considered a quasi-Newton method. Historically, it is as an evolution of the method of false...
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given by q(x) = (x, x). Naturally, the intended ordering relation for X × X is just the usual product order. q has a lower adjoint q* if and only if all...
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