Tài liệu Đề tài " Cover times for Brownian motionand random walks in two dimensions " pdf

Tài liệu Đề tài " Cover times for Brownian motionand random walks in two dimensions " pdf

Tài liệu Đề tài " Cover times for Brownian motionand random walks in two dimensions " pdf

... asymptotics for the number of steps needed by simple random walk in Z 2 to cover the disc of radius n. 1. Introduction In this paper, we introduce a unified method for analyzing cover times for random walks ... Cover times for Brownian motionand random walks in two dimensions By Amir Dembo, Yuval Peres, Jay Rosen, and Ofer Zeitouni Annals of M...
Ngày tải lên : 14/02/2014, 17:20
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Tài liệu ĐỀ TÀI : MÃ HOÁ HỆ ĐA CẤP ĐA KẾ THỪA THAY CHO PHÉP TÍNH LƯỚI DỰA TRÊN TÀI LIỆU : ENCODING MULTIPLE INHERITANCE HIERARCHIES FOR LATTICE OPERATIONS doc

Tài liệu ĐỀ TÀI : MÃ HOÁ HỆ ĐA CẤP ĐA KẾ THỪA THAY CHO PHÉP TÍNH LƯỚI DỰA TRÊN TÀI LIỆU : ENCODING MULTIPLE INHERITANCE HIERARCHIES FOR LATTICE OPERATIONS doc

... constraints. He has published in the following topics: database design, database constraints, document indexing, and information science. He is a member of the Association for Computing Machinery ... Knowledge Engineering 50 (2004) 175–194 [12] M.F. van Bommel, T.J. Beck, Incremental encoding of multiple inheritance hierarchies supporting lattice operations, Linkoping Electronic Artic...
Ngày tải lên : 19/01/2014, 13:20
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Tài liệu Đề tài " Metric attractors for smooth unimodal maps " docx

Tài liệu Đề tài " Metric attractors for smooth unimodal maps " docx

... returning symmetric open intervals containing the critical point ζ then ζ is periodic. Proof. Let J be the interior of the intersection of all regularly returning symmetric open intervals containing ... into two cases depending on whether ω(ζ) intersects the domains of finitely many branches of F , or in nitely many. The case with in nitely many branches. For each domain ∆ of a branch wh...
Ngày tải lên : 14/02/2014, 17:20
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Tài liệu Đề tài " Index theorems for holomorphic self-maps " docx

Tài liệu Đề tài " Index theorems for holomorphic self-maps " docx

... \ Sing(S) is comfortably embedded into M, and that f is tangential to S with ν f > 1.LetSing(S)∪Sing(X f )=  λ Σ λ be the decomposition of Sing(S) ∪ Sing(X f ) in connected components. Finally, let ... map. Then: (i) if S is comfortably embedded in M then E S is comfortably embedded in M S , and the choice of a splitting morphism for S induces a splitting morphism for E S ; (ii)...
Ngày tải lên : 14/02/2014, 17:20
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Tài liệu Đề tài " Uniform bounds for the bilinear Hilbert transforms, I " ppt

Tài liệu Đề tài " Uniform bounds for the bilinear Hilbert transforms, I " ppt

... They are grateful to C. Thiele for his inspirational work [10] and for some help- ful remarks. They also thank the referee for pointing out an oversight in a construction in the first version of this ... C2 −ηµ 2 − µ p j |I T | 1 2 . UNIFORM BOUNDS FOR THE BILINEAR HILBERT TRANSFORMS, I 901 identifying trees with sets of pairs of integers, we will use this identification throughout....
Ngày tải lên : 14/02/2014, 17:20
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Tài liệu Đề tài "Boundary behavior for groups of subexponential growth " docx

Tài liệu Đề tài "Boundary behavior for groups of subexponential growth " docx

... measurable set in the set of in nite trajectories. Since Γ contains at least two distinct elements, Lemma 4.2 and Lemma 4.3 imply that 0 <ν ∞ (A) < 1. It is clear that if two trajectories coincide ... this map stabilizes pointwise along in nite trajectories of the random walk. (We know this for each point, and since ∆ is countable it implies that this happens for all the p...
Ngày tải lên : 14/02/2014, 17:20
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Tài liệu Đề tài " Elliptic units for real quadratic fields " ppt

Tài liệu Đề tài " Elliptic units for real quadratic fields " ppt

... Γ 0 (N)-invariant partial modular symbol m α {r → s} := 1 2πi  s r dlog α.(40) Dedekind sums. The line integrals in (40) defining the modular symbol m α can be expressed in terms of classical Dedekind ... notation in designating the integrand in the same way. However this notation is suggestive, and should result in no confusion since double integral signs are always used to describ...
Ngày tải lên : 16/02/2014, 05:20
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Tài liệu Đề tài " Decay of geometry for unimodal maps: An elementary proof " doc

Tài liệu Đề tài " Decay of geometry for unimodal maps: An elementary proof " doc

... −1 O k . Since the left-hand side of this inequality is less than or equal to α 2 , the lemma follows. Completion of the Main Lemma in the type II case. In the following, we distinguish two cases. In ... there exist an interval I which contains the critical point 0 in its interior, and a positive integer s>1, such that the intervals I,f(I), ··· ,f s−1 (I) have pairwise disjoint i...
Ngày tải lên : 16/02/2014, 05:20
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Tài liệu Đề tài " An uncertainty principle for arithmetic sequences " ppt

Tài liệu Đề tài " An uncertainty principle for arithmetic sequences " ppt

... special point in [u, u + 1]). Note that |E(w)|≥|E(x)| + O(z −u ) for any x ≥ u.IfE(x) maintains the same sign for all x ≥ w set v = ∞; otherwise let v denote the in mum of those points x ≥ w for which ... like random numbers chosen with probability φ(q)/q. Indeed when φ(q)/q → 0 AN UNCERTAINTY PRINCIPLE FOR ARITHMETIC SEQUENCES 595 (meaning that the subset is poorly distributed...
Ngày tải lên : 16/02/2014, 06:20
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Tài liệu Đề tài " Weak mixing for interval exchange transformations and translation flows " ppt

Tài liệu Đề tài " Weak mixing for interval exchange transformations and translation flows " ppt

... mixing had been proved for in nitely many combinatorics), WEAK MIXING FOR INTERVAL EXCHANGE TRANSFORMATIONS 641 1.3. Outline. We start this paper with basic background on cocycles over expanding ... mixing transformation is weakly mixing and every weakly mixing transformation is ergodic. A clas- sical theorem states that any invertible measure-preserving transformation f is weakly mixing...
Ngày tải lên : 16/02/2014, 06:20
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