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The biology of restriction and anti-restriction
Current Opinion in Microbiology, 2005The phenomena of prokaryotic restriction and modification, as well as anti-restriction, were first discovered five decades ago but have yielded only gradually to rigorous analysis. Work presented at the 5th New England Biolabs Meeting on Restriction-Modification (available on REBASE, http://www.rebase.com) and several recently published genetic ...
Mark R, Tock, David T F, Dryden
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Combinatorics, Probability and Computing, 2000
Let G be an abelian group. For a subset A ⊂ G, denote by 2 ∧ A the set of sums of two different elements of A. A conjecture by Erdős and Heilbronn, first proved by Dias da Silva and Hamidoune, states that, when G has prime order, [mid ]2 ∧ A[mid ] [ges ] min([mid ]G[mid ], 2[mid ]A[mid ] − 3).We prove that, for abelian ...
Yahya Ould Hamidoune +2 more
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Let G be an abelian group. For a subset A ⊂ G, denote by 2 ∧ A the set of sums of two different elements of A. A conjecture by Erdős and Heilbronn, first proved by Dias da Silva and Hamidoune, states that, when G has prime order, [mid ]2 ∧ A[mid ] [ges ] min([mid ]G[mid ], 2[mid ]A[mid ] − 3).We prove that, for abelian ...
Yahya Ould Hamidoune +2 more
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Proceedings of the 3rd Innovations in Theoretical Computer Science Conference, 2012
We introduce a notion of non-black-box access to computational devices (such as circuits, formulas, decision trees, and so forth) that we call restriction access. Restrictions are partial assignments to input variables. Each restriction simplifies the device, and yields a new device for the restricted function on the unassigned variables.
Zeev Dvir +3 more
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We introduce a notion of non-black-box access to computational devices (such as circuits, formulas, decision trees, and so forth) that we call restriction access. Restrictions are partial assignments to input variables. Each restriction simplifies the device, and yields a new device for the restricted function on the unassigned variables.
Zeev Dvir +3 more
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Advances in Computational Mathematics, 2003
In this paper, so-called restricted systems are introduced and characterized. The definition of restricted systems is closely related to, but weaker than, local linear independence of univariate splines and serves as a generalization of splines in computer aided geometric design.
Jesús M. Carnicer +2 more
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In this paper, so-called restricted systems are introduced and characterized. The definition of restricted systems is closely related to, but weaker than, local linear independence of univariate splines and serves as a generalization of splines in computer aided geometric design.
Jesús M. Carnicer +2 more
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Molecular Microbiology, 2003
SummarySystems biology is a new, fashionable and well‐funded discipline, which to quote from a recent review aims to ‘examine the structure and dynamics of cellular and organismal function, rather than the characteristics of isolated parts of a cell or organism…’ (Kitano, H. (2002) Science 295:1662–1664).
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SummarySystems biology is a new, fashionable and well‐funded discipline, which to quote from a recent review aims to ‘examine the structure and dynamics of cellular and organismal function, rather than the characteristics of isolated parts of a cell or organism…’ (Kitano, H. (2002) Science 295:1662–1664).
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Pediatric Radiology, 1993
Restrictive dermopathy is an inherited syndrome characterized clinically by severe growth retardation, abnormal skin, characteristic facies, and multiple congenital contractures. Distinctive radiologic features include deficient mineralization of the clavicles and the skull, overtubulation and frequent modeling defects of the long bones, and occasional
M H, Reed +3 more
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Restrictive dermopathy is an inherited syndrome characterized clinically by severe growth retardation, abnormal skin, characteristic facies, and multiple congenital contractures. Distinctive radiologic features include deficient mineralization of the clavicles and the skull, overtubulation and frequent modeling defects of the long bones, and occasional
M H, Reed +3 more
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Journal of Philosophical Logic, 2008
The notion of restricted arrow has been introduced by Beall et al. to analyse restricted quantification, and is characterized as a particular relevant conditional by semantic means of a certain ternary relation in the so-called Routley-Meyer semantics for entailment.
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The notion of restricted arrow has been introduced by Beall et al. to analyse restricted quantification, and is characterized as a particular relevant conditional by semantic means of a certain ternary relation in the so-called Routley-Meyer semantics for entailment.
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Annual Review of Medicine, 1984
Restrictive cardiomyopathy is a descriptive clinical and hemodynamic syndrome emphasizing the pathophysiologic mechanisms by which myocardial hypertrophy and/or infiltrative processes cause cardiocirculatory morbidity. This diagnosis can be made with precision only after pericardial construction is excluded and myocardial biopsy has identified the ...
J R, Benotti, W, Grossman
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Restrictive cardiomyopathy is a descriptive clinical and hemodynamic syndrome emphasizing the pathophysiologic mechanisms by which myocardial hypertrophy and/or infiltrative processes cause cardiocirculatory morbidity. This diagnosis can be made with precision only after pericardial construction is excluded and myocardial biopsy has identified the ...
J R, Benotti, W, Grossman
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