Báo cáo toán học: "Semigroups of isometries with commuting range projections " pptx

... spectrometer with 57Fe/Rh source Figure 1 Figure 4 Figure 9 - 1 - Growth of few-wall carbon nanotubes with narrow diameter distribution over Fe-Mo-MgO catalyst by methane/acetylene catalytic ... versions will be made available soon. Growth of few-wall carbon nanotubes with narrow diameter distribution over Fe-Mo-MgO catalyst by m...

Ngày tải lên: 20/06/2014, 20:20

... been used to discuss the existence of positive solutions to the discrete problems, see , for exa mple [6-8,12-14]. However, there are few results on the existence of positive solutions of (1.1) ... structure of the set o f positive solutions of (1.1), (1.2), and obtain the existence of positive solutions of (1.1) and (1.2). More- over, we can also ob...

Ngày tải lên: 20/06/2014, 20:20

... 2DH1&2DM 1 packets over a correlated Rayleigh fading channel at SNR = 15 dB with different 1 Performance of the audio signals transmission over wireless networks with the channel interleaving ... show the variation of the Cr and the MSE of the received audio signals with the channel SNR, respectively. These figures reveal that...

Ngày tải lên: 20/06/2014, 20:20

... properly cited. Overview of principles and implementations to deal with spatial issues in monitoring environmental effects of genetically modified organisms Winfried Schröder †1 and Gunther ... formatted PDF and full text (HTML) versions will be made available soon. Overview of principles and implementations to deal with spatial is...

Ngày tải lên: 20/06/2014, 20:20

... d at the same chamber using alternating surface-saturating reactions of titanium chlo ride and water. The TiOPDA-TiO 2 nanohybrid thin films that were prepared exhibit good thermal and mechanical ... USA) using A l Ka source run at 15 kV and 10 mA. The binding energy scale was calibrated to 284.5 eV for the main C 1s peak. Each sample was analyzed at a 90° angle relative to th...

Ngày tải lên: 20/06/2014, 21:20

... Networking 2011, 2011:208 http://jwcn.eurasipjournals.com/content/2011/1/208 Page 4 of 8 RESEARCH Open Access Optimization of cooperative spectrum sensing with sensing user selection in cognitive radio networks Huogen ... maximized through the optimization. Keywords: cooperative spectrum sensing, cognitive radio, reporting delay, optimization, sensing...

Ngày tải lên: 20/06/2014, 21:20

... Classification of solutions for an integral equation. Comm. Pure Appl. Math. 59, 330–343 (2006) Nonexistence of positive solutions of an integral system with weights Zhengce Zhang School of Mathematics and ... note that there exist many open questions on nonexistence and symmetry of positive solutions of the equation with weights as (1.1) in the rest ra...

Ngày tải lên: 20/06/2014, 21:20

... zero, and hence empty. Similarly, one can show that Σ v λ is empty. Step 1 is complete. Nonexistence of positive solutions of an integral system with weights Zhengce Zhang School of Mathematics and ... note that there exist many open questions on nonexistence and symmetry of positive solutions of the equation with weights as (1.1) in the rest range of p, q,...

Ngày tải lên: 20/06/2014, 21:20

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Ngày tải lên: 05/08/2014, 09:46

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Ngày tải lên: 05/08/2014, 09:46

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Ngày tải lên: 05/08/2014, 15:21

... electronic journal of combinatorics 10 (2003), #R40 10 Asymptotics of Permutations with Nearly Periodic Patterns of Rises and Falls Edward A. Bender Department of Mathematics University of California, ... N a N b ···N z .Equivalently,we can work with T −1 and thus deal with eigenfunctions of the differential operators N −1 d and N −1 u ,whichared/dx and −d/...

Ngày tải lên: 07/08/2014, 08:20

... the generated bracketing covers. the electronic journal of combinatorics 15 (2008), #R95 2 Construction of Minimal Bracketing Covers for Rectangles Michael Gnewuch Department of Computer Science, ... covers of C d of cardi- nality Λ to construct δ -bracketing covers of R d of cardinality at most Λ 2 (cf. [11, Lemma 1.18]); that is why we can restrict ourselves...

Ngày tải lên: 07/08/2014, 21:20

... interpretation. This interpretation is in line with the rest of this art icle, counting permutations having an initial descending segment and λ-coloured fixed points to the right of the initial segment. In addition, ... n, generalising the results with λ = 0 from [9]. In our proofs, we will use the following convent io ns. If λ is a positive integer, and (π,C) is a permutation w...

Ngày tải lên: 07/08/2014, 21:21

... called cyclic defect’. Here we prove that this conjecture holds. Keywords: Graphs with cyclic defect, Moore bound, defect, repeat. 1 Nonexistence of graphs with cyclic defect Let G be a graph of ... electronic journal of combinatorics 18 (2011), #P71 4 Nonexistence of graphs with cyclic defect Mirka Miller ∗† School of Electrical Engineering and Comp. Science, Un...

Ngày tải lên: 08/08/2014, 14:22