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Low basis theorem information


The low basis theorem is one of several basis theorems in computability theory, each of which showing that, given an infinite subtree of the binary tree , it is possible to find an infinite path through the tree with particular computability properties. The low basis theorem, in particular, shows that there must be a path which is low; that is, the Turing jump of the path is Turing equivalent to the halting problem .

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Low basis theorem

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The low basis theorem is one of several basis theorems in computability theory, each of which showing that, given an infinite subtree of the binary tree...

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Basis theorem

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Hilbert's basis theorem, in algebraic geometry, says that a polynomial ring over a Noetherian ring is Noetherian. Low basis theorem, a particular theorem in...

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Reverse mathematics

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model of WKL0 consisting entirely of low sets using the low basis theorem, since low sets relative to low sets are low. The following assertions are equivalent...

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Coase theorem

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theorem could hold and then also argued that real-world transaction costs are rarely low enough to allow for efficient bargaining. Hence, the theorem...

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Slicing the Truth

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forcing, and the low basis theorem. Chapter six, "the real heart of the book", applies this method to an infinitary form of Ramsey's theorem: every edge coloring...

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Carl Jockusch

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Urbana–Champaign. In 1972 Jockusch and Robert I. Soare proved the low basis theorem, an important result in mathematical logic with applications to recursion...

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Radial basis function kernel

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In machine learning, the radial basis function kernel, or RBF kernel, is a popular kernel function used in various kernelized learning algorithms. In...

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PA degree

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PA degrees that are not above 0‘. For example, the low basis theorem implies that there is a low PA degree. On the other hand, Antonín Kučera has proved...

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Classification theorem

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In mathematics, a classification theorem answers the classification problem "What are the objects of a given type, up to some equivalence?". It gives...

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Geometric topology

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consequence of this is Smale's h-cobordism theorem, which works in dimension 5 and above, and forms the basis for surgery theory. A modification of the...

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PCP theorem

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In computational complexity theory, the PCP theorem (also known as the PCP characterization theorem) states that every decision problem in the NP complexity...

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List of theorems

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spaces) Baker's theorem (number theory) Balian–Low theorem (Fourier analysis) Balinski's theorem (combinatorics) Banach–Alaoglu theorem (functional analysis)...

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List of Vanderbilt University people

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(A&S 1959) – mathematician who proved (with Robert I. Soare) the low basis theorem, with applications to recursion theory and reverse mathematics Steven...

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Jordan normal form

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forms a basis for the vector space. By the rank-nullity theorem, dim(ker(A−λI))=n-r, so t=n-r-s, and so the number of vectors in the potential basis is equal...

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Singular value decomposition

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matrix, and thus also square, the spectral theorem ensures that it can be unitarily diagonalized using a basis of eigenvectors, and thus decomposed as M...

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List of forcing notions

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Robert Soare and Carl Jockusch to prove, among other results, the low basis theorem. Here P is the set of nonempty Π 1 0 {\displaystyle \Pi _{1}^{0}}...

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NLTS conjecture

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quantum information theory, the no low-energy trivial state (NLTS) conjecture is a precursor to a quantum PCP theorem (qPCP) and posits the existence of...

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