نتایج جستجو برای: σ urysohns lemma

تعداد نتایج: 34229  

2014
Y. L. Yeun Nikolaos Papageorgiou

and Applied Analysis 3 Lemma 3. Let q ∈ E. Then for any V > 0, r < s ∈ R such that q(t) ∉ B ε (V) and |q(t)| ⩽ V for any t ∈ [r, s], I (q) ⩾ √2σ ε,V 󵄨󵄨󵄨󵄨q (r) − q (s) 󵄨󵄨󵄨󵄨 . (16) In particular, if σ ε > 0, then for any r < s ∈ R such that q(t) ∉ B ε (V) for any t ∈ [r, s], I (q) ⩾ √2σ ε 󵄨󵄨󵄨󵄨q (r) − q (s) 󵄨󵄨󵄨󵄨 . (17) Proof. Denote l = |q(r) − q(s)| and τ = |r − s|. Then l = 󵄨󵄨󵄨󵄨󵄨󵄨󵄨 ∫ s r q 󸀠 (t)...

2008
Tunay I. Tunca

Proof of Lemma B.1: For the sake of clarity in exposition, we will defer the proofs for the statements vsp= vp=1 when πaα≥ cp and πdcd≥ p to Lemmas B.2 and B.3. When πaαπdcd, under both policies l and nl, we have vsp= vp=1. This is because (A.3), (A.12), and (A.17) will not hold for all v ∈V. Now by (A.2) and (A.16), the equilibrium unpatched population is in the form u(σ)...

2014
Jianqing Fan Zheng Tracy Ke Han Liu Lucy Xia

Lemma A.1. If U follows a uniform distribution on Sd−1, for any d×d diagonal matrix S and any vector β ∈ Rd, we have • E(U>SU) = tr(S) d , E[(U >SU)2] = 2 tr(S 2)+[tr(S)]2 d2+2d ; • E(U>β) = 0, E[(U>β)2] = ‖β‖ 2 d ; • E(U>SUU>β) = 0. Now, we show the claim of Proposition 2.1. Let Y = Σ−1/2(Z −μ), then Y = ξU where U follows a uniform distribution on Sd−1 and is independent of ξ. The quadratic f...

2002
Dan Spielman Matthew Lepinski

Where We Are in the Proof We are trying to bound the quantity: Pr b 1 ,...,b d [dist(0, ∂((b 1. .. b d))) < ] Where the probability is over the distribution with density (d i=1 µ i (b i))[0 ∈ (b 1. .. b d)]vol((b 1. .. b d)) Also recall that the µ i are Gaussian with variance σ 2 ≤ 1 and have centers of norm ≤ Γ ≤ 1 + 4 d log(n). We will now prove a utility lemma which will be useful later.

2008
A. Clop D. Faraco J. Mateu J. Orobitg X. Zhong

Abstract We study the removable singularities for solutions to the Beltrami equation ∂f = μ∂f , where μ is a bounded function, ‖μ‖∞ ≤ K−1 K+1 < 1, and such that μ ∈ W 1,p for some p ≤ 2. Our results are based on an extended version of the well known Weyl’s lemma, asserting that distributional solutions are actually true solutions. Our main result is that quasiconformal mappings with compactly s...

Journal: :Electr. J. Comb. 2002
Yuejian Peng Vojtech Rödl Andrzej Rucinski

The celebrated Regularity Lemma of Szemerédi asserts that every sufficiently large graph G can be partitioned in such a way that most pairs of the partition sets span -regular subgraphs. In applications, however, the graph G has to be dense and the partition sets are typically very small. If only one -regular pair is needed, a much bigger one can be found, even if the original graph is sparse. ...

2014
Qingye Zhang Changbum Chun

and Applied Analysis 3 Remark 5. Lemma 1 shows that σ(A), the spectrum of A, consists of eigenvalues numbered by (counted in their multiplicities): ⋅ ⋅ ⋅ ≤ λ −2 ≤ λ −1 ≤ 0 < λ 1 ≤ λ 2 ≤ ⋅ ⋅ ⋅ (14) with λ ±k → ±∞ as k → ∞. Let B 0 (t) ≡ B 0 and B ∞ (t) ≡ B ∞ , with the constants B 0 , B ∞ satisfying λ l < B 0 < λ l+1 , and λ l+i < B ∞ < λ l+i+1 for some l ∈ Z and i ≥ 1 (or i ≤ −1). Define R (t, ...

2007
D. Faraco J. Mateu J. Orobitg X. Zhong

We study the removable singularities for solutions to the Beltrami equation ∂f = μ∂f , where μ is a bounded function, ‖μ‖∞ ≤ K−1 K+1 < 1, and such that μ ∈ W 1,p for some p ≤ 2. Our results are based on an extended version of the well known Weyl’s lemma, asserting that distributional solutions are actually true solutions. Our main result is that quasiconformal mappings with compactly supported ...

2012
Antonio Boccuto Xenofon Dimitriou Miroslav Zeleny

Some Schur, Vitali-Hahn-Saks and Nikodým convergence theorems for (l)-group-valued measures are given in the context of (D)-convergence. We consider both the σ-additive and the finitely additive case. Here the notions of strong boundedness, countable additivity and absolute continuity are formulated not necessarily with respect to a same regulator, while the pointwise convergence of the measure...

Journal: :international journal of environmental research 2013
s.l. mohebbi nozar w.r. ismail m. pauzi zakaria m. seddiq mortazawi

mangrove sediments were collected during wet and dry seasons from nine stations in khamir,laft and natural reservoir mangrove-dense areas of hormozgan province in the south of iran. σ pcbs ranged from 5.33 to 15.5 ng/g dry weight and the dominant congener was no.153. average σ ddts for khamir and laft mangroves were 16.58 ± 1.51 and 18.8 ± 9.98 ng/g dry weight. ddt was more abundant than dde an...

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