نتایج جستجو برای: c0
تعداد نتایج: 2800 فیلتر نتایج به سال:
Counterexample minimization tries to remove irrelevant variables from counterexamples, such that they are easier to be understood. For the first time, we proposes a novel approach to minimize loop-like and path-like counterexamples of ACTL properties. For a counterexample s0 . . . sk, our algorithm tries to extract a succinct cube sequence c0 . . . ck, such that paths run through c0 . . . ck ar...
We obtain some topological results of the sequence spaces ∆m(X), where ∆m(X) = {x = (xk) : (∆xk) ∈ X}, (m ∈ N), and X is any sequence space. We compute the pα-, pβ-, and pγ-duals of l∞,c, and c0 and we investigate the N-(or null) dual of the sequence spaces ∆m(l∞),∆m(c), and ∆(c0). Also we show that any matrix map from ∆m(l∞) into a BK-space which does not contain any subspace isomorphic to ∆m(...
Let N be a positive integer. In 1964, Roth [3], see also [4] and [5], proved that no matter how we partition {1, . . . , N} into two sets there will always be an arithmetic progression which contains a preponderance of terms from one of the two sets. In particular, let ε1, . . . , εN be elements of {1,−1} and put εi = 0 for i < 1 and i > N . He proved that there exist positive numbers c0 and c1...
It is shown that a L∞-space with separable dual constructed by Bourgain and Delbaen has small Szlenk index and thus does not have a quotient isomorphic to C(ω). It follows that this is a L∞-space which is the same size as c0 in the sense of the Szlenk index but does not contain c0. This has some consequences in the theory of uniform homeomorphism of Banach spaces.
Let F be a subset of the n-dimensional Euclidean spaceR represented in terms of a compact convex subset C0 and a set PF of nitely or in nitely many quadratic functions on R such that F = fx 2 C0 : p(x) 0 (8p( ) 2 PF )g. In this paper, we investigate some fundamental properties related to the nite convergence of the successive SDP (semide nite programming) relaxation method proposed by the autho...
We study online strategies for autonomous mobile robots with vision to explore unknown polygons with at most h holes. Our main contribution is an (h+c0)!–competitive strategy for such polygons under the assumption that each hole is marked with a special color, where c0 is a universal constant. The strategy is based on a new hybrid approach. Furthermore, we give a new lower bound construction fo...
In this paper we use the resolvent semigroup associated to a C0semigroup to introduce the vector-valued Stieltjes transform defined by a C0-semigroup. We give new results which extend known ones in the case of scalar generalized Stieltjes transform. We work with the vector-valued Weyl fractional calculus to present a deep connection between both concepts. Mathematics Subject Classification (200...
R. A. Briere, I. Brock, J. Chen, T. Ferguson, G. Tatishvili, H. Vogel, M. E. Watkins, J. L. Rosner, N. E. Adam, J. P. Alexander, K. Berkelman, D. G. Cassel, J. E. Duboscq, K. M. Ecklund, R. Ehrlich, L. Fields, R. S. Galik, L. Gibbons, R. Gray, S. W. Gray, D. L. Hartill, B. K. Heltsley, D. Hertz, C. D. Jones, J. Kandaswamy, D. L. Kreinick, V. E. Kuznetsov, H. Mahlke-Kruger, T. O. Meyer, P. U. E....
We consider spectral radius algebras associated to C0 contractions. When the operator A is algebraic, we describe all invariant subspaces that are common for operators in its spectral radius algebra BA. In all other situations BA is weakly dense and we characterize a set of rank one operators in BA that is weakly dense in L(H).
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