نتایج جستجو برای: separable

تعداد نتایج: 14407  

2001
Brian Myers

We do not say that the four temperaments and astrology are inseparable, but rather that they are a feature of the rest of astrology. Furthermore, we do not talk lightly about the use of the four temperaments as being playthings. It is serious business when one uses an extrabiblical source to understand the nature of man, why he is and how he is to change. Myers then continues by charting the as...

2009
Douglas A. Cenzer Rebecca Weber Guohua Wu

The notion of immune sets is extended to closed sets and Π 1 classes in particular. We construct aΠ 1 class with no computable member which is not immune. We show that for any computably inseparable sets A and B, the class S(A,B) of separating sets for A and B is immune. We show that every perfect thin Π 1 class is immune. We define the stronger notion of prompt immunity and construct an exampl...

2006
Baldev Raj Indira Gandhi

Non Destructive Evaluation (NDE) has become an inseparable part of modern society. Be it the field of engineering, technology, or healthcare, NDE is being used right from cradle to tomb to optimize processes, manage quality, predict the life and limit liability avoiding accidents. While NDE science and technology was qualitative during the first half of 20 century, the liberalisation of economi...

Journal: :Electr. J. Comb. 2016
Michael Albert Vít Jelínek

A permutation class is splittable if it is contained in the merge of two of its proper subclasses. We characterise the unsplittable subclasses of the class of separable permutations both structurally and in terms of their bases.

2010
FEDOR BOGOMOLOV

We determine the function fields of varieties of dimension ≥ 2 defined over the algebraic closure of Fp, modulo purely inseparable extensions, from the quotient by the second term in the lower central series of their pro-` Galois groups.

Journal: :J. Comb. Theory, Ser. A 2006
Eyal Ackerman Gill Barequet Ron Y. Pinter

We investigate the number of different ways in which a rectangle containing a set of n noncorectilinear points can be partitioned into smaller rectangles by n (non-intersecting) segments, such that every point lies on a segment. We show that when the relative order of the points forms a separable permutation, the number of rectangulations is exactly the (n+ 1)st Baxter number. We also show that...

Journal: :Discrete Applied Mathematics 1999
Noga Alon Shmuel Onn

An ordered partition of a set of n points in the d dimensional Euclidean space is called a separable partition if the convex hulls of the parts are pairwise disjoint. For each fixed p and d we determine the maximum possible number rp,d(n) of separable partitions into p parts of n points in real d-space up to a constant factor. Of particular interest are the values rp,d(n) = Θ(nd( p 2)) for ever...

2007
G. Godefroy N. J. Kalton

We show that if a separable Banach space Z contains isometric copies of every strictly convex separable Banach space, then Z actually contains an isometric copy of every separable Banach space. We prove that if Y is any separable Banach space of dimension at least 2, then the collection of separable Banach spaces which contain an isometric copy of Y is analytic non Borel.

2008
Hiroo Azuma Masashi Ban

In this paper, we write down the separable Werner state in a two-qubit system as a convex combination of product states explicitly. The Werner state in a two-qubit system has a single real parameter and varies from inseparable state to separable state according to the value of its parameter. The convex combination of product states gives a hidden variable model to the separable Werner state.

1998
Anna Sanpera Rolf Tarrach Guifré Vidal

We show how to decompose any density matrix of the simplest binary composite systems, whether separable or not, in terms of only product vectors. We determine for all cases the minimal number of product vectors needed for such a decomposition. Separable states correspond to mixing from one to four pure product states. Inseparable states can be described as pseudomixtures of four or five pure pr...

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