Báo cáo toán học: "Paths and stability number in digraphs" pptx

Báo cáo toán học: " Protection of primary users in dynamically varying radio environment: practical solutions and challenges" pot

Báo cáo toán học: " Protection of primary users in dynamically varying radio environment: practical solutions and challenges" pot

... acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Protection of primary users in dynamically varying radio environment: practical solutions and challenges EURASIP ... investigate suitable methods for reducing the PAPR of NC-OFDM transceivers with the 3 3.2 Windowing Windowing (W) is usually applied to the OFDM symbol time-d...

Ngày tải lên: 20/06/2014, 20:20

51 376 0
Báo cáo toán học: " Existence and uniqueness of nonlinear deflections of an infinite beam resting on a non-uniform nonlinear elastic foundation" pptx

Báo cáo toán học: " Existence and uniqueness of nonlinear deflections of an infinite beam resting on a non-uniform nonlinear elastic foundation" pptx

... for the nonlinear deflection analysis of an infinite beam resting on a nonlinear elastic foundation under localized external loads. Although their method app ears powerful as a mathematical procedure ... eam resting on a both non-uniform and nonlinear elastic foundation by means of Banach fixed point theorem. In fact, this restriction on the candidate space...

Ngày tải lên: 20/06/2014, 20:20

38 349 0
Báo cáo toán học: " Minimal and maximal solutions to first-order differential equations with state-dependent deviated arguments" pptx

Báo cáo toán học: " Minimal and maximal solutions to first-order differential equations with state-dependent deviated arguments" pptx

... acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Minimal and maximal solutions to first-order differential equations with state-dependent deviated arguments Boundary ... given lower and upper solutions. The first result ensures the existence of maximal and minimal solutions, and the second one establishes the existen...

Ngày tải lên: 20/06/2014, 20:20

24 361 0
Báo cáo toán học: " DWT and LPC based feature extraction methods for isolated word recognition" pptx

Báo cáo toán học: " DWT and LPC based feature extraction methods for isolated word recognition" pptx

... (UWLPC/DWLPC) features. Figure 4. D-WSCMN performance for different LPC orders p on clean TI-20 database. Figure 3 Figure 2 DWT and LPC based feature extraction methods for isolated word ... LPCC and WLPC (UWLPC/DWLPC) features for different LPC order were also estimated and presented in Figure 3. These results prove that the performance of WLPC (UWL...

Ngày tải lên: 20/06/2014, 20:20

31 580 1
Báo cáo toán học: " Universal and efficient compressed sensing by spread spectrum and application to realistic Fourier imaging techniques" ppt

Báo cáo toán học: " Universal and efficient compressed sensing by spread spectrum and application to realistic Fourier imaging techniques" ppt

... pair Fourier Fourier, the spread spectrum technique allows to reduce the number of measurements for perfect recovery close to this optimal value. 16 Universal and efficient compressed sensing by spread ... Application to realistic Fourier imaging In this section, we discuss the application of the spread spectrum technique to realistic analog Fourier...

Ngày tải lên: 20/06/2014, 20:20

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Báo cáo toán học: " Synthesis and anti-HSV-1 evaluation of new " docx

Báo cáo toán học: " Synthesis and anti-HSV-1 evaluation of new " docx

... (1a–k), and new three 3H-pyrido[2,3-b]pyrazolo[3,4-h]- 1,6-naphthyridine derivatives (2a–c). 1 Synthesis and anti-HSV-1 evaluation of new 3H-benzo[b]pyrazolo[3,4-h]- 1,6-naphthyridines and 3H-pyrido[2,3-b]pyrazolo[3,4-h]-1,6- naphthyridines ... acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Synthesis and anti-HSV-1 eva...

Ngày tải lên: 20/06/2014, 20:20

24 433 0
Báo cáo toán học: " Structural and optical properties of ZnS thin films deposited by RF magnetron sputtering" potx

Báo cáo toán học: " Structural and optical properties of ZnS thin films deposited by RF magnetron sputtering" potx

... EXPRESS Open Access Structural and optical properties of ZnS thin films deposited by RF magnetron sputtering Dong Hyun Hwang 1 , Jung Hoon Ahn 1 , Kwun Nam Hui 1 , Kwan San Hui 2 and Young Guk Son 1* Abstract Zinc ... Hwang et al.: Structural and optical properties of ZnS thin films deposited by RF magnetron sputtering. Nanoscale Research Lett...

Ngày tải lên: 20/06/2014, 21:20

7 521 0
Báo cáo toán học: " Local equivalence of transversals in matroids" pptx

Báo cáo toán học: " Local equivalence of transversals in matroids" pptx

... The transversals of V are in one-to-one correspondence with the matchings in G covering the part N; and a local replacement in this language corresponds to changing a single edge in the matching. Let ... V n of n-tuples of elements of M forms the Hamming graph; two n-tuples being adjacent whenever they differ in only one coordinate. Ev- ery matroid structure on M determin...

Ngày tải lên: 07/08/2014, 06:20

7 280 0
Báo cáo toán học: "Paths and stability number in digraphs" pptx

Báo cáo toán học: "Paths and stability number in digraphs" pptx

... Gallai and A. N. Milgra m, Verallgemeinerung eines graphentheoretischen Satzes von R´edei, Acta. Sci. Math. 21 (1960) 181–186. [8] G. Hahn and B. Jackson, A note concerning paths and independence number ... digraph D with stability number k such that deleting the vertices of any k − 1 directed paths in D leaves a digraph with stability number k. In this note, we prove this...

Ngày tải lên: 07/08/2014, 21:21

4 198 0
Báo cáo toán học: "The t-stability number of a random graph" pptx

Báo cáo toán học: "The t-stability number of a random graph" pptx

... dense random graph. The notion of a t-stable set is a generalisation of the notion of a stable set. Recall that a set of vertices S of a graph G is stable if no two of its vertices are adjacent. ... graphs. Combinatorica, 11(1):45–54, 1991. [19] D. Matula and L. Kuˇcera. An expose-and-merge algorithm and the chromatic number of a random graph. In Random Graph...

Ngày tải lên: 08/08/2014, 12:22

29 298 0
Báo cáo toán học: "On the determining number and the metric dimension of graphs" pot

Báo cáo toán học: "On the determining number and the metric dimension of graphs" pot

... study on the problem of computing the difference between the metric dimension and the determining number of graphs. We provide new proofs and results on the determining number of trees and Cartesian ... 6). P 2 P 3 P 4 P 5 P 3 P 2 Figure 6: Metric basis of P t P m . The connection between the determining number and the metric dimension, an...

Ngày tải lên: 08/08/2014, 12:22

20 304 0
Báo cáo toán học: "Periodicity and Other Structure in a Colorful Family of Nim-like Arrays" pdf

Báo cáo toán học: "Periodicity and Other Structure in a Colorful Family of Nim-like Arrays" pdf

... 2010 Mathematics Subject Classification: 68R15, 9 1A4 6 Abstract We study aspects of the combinatorial and graphical structure shared by a certain family of recursively generated arrays related to ... journal of combinatorics 17 (2010), #R103 21 Periodicity and Other Structure in a Colorful Family of Nim-like Arrays Lowell Abrams ∗ Department of Mathematics T...

Ngày tải lên: 08/08/2014, 12:22

21 298 0
Báo cáo toán học: "On multicolor Ramsey number of paths versus cycles" pdf

Báo cáo toán học: "On multicolor Ramsey number of paths versus cycles" pdf

... a corollary of more general results about the asymptotic results of the Ra msey number for three long even cycles. Recently, determination of some exact values of Ramsey numbers of type R( P i , ... three-color Ramsey numbers for paths versus a cycle, see [3, 4, 5, 13]. In this paper, we provide the exact value of the Ramsey numbers R(P n 1 , P n 2 , . . . , P n t , C...

Ngày tải lên: 08/08/2014, 12:23

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