Báo cáo toán học: "When can the sum of (1/p)th of the binomial coefficients have closed form" pot

Báo cáo toán học: "When can the sum of (1/p)th of the binomial coefficients have closed form" pot

Báo cáo toán học: "When can the sum of (1/p)th of the binomial coefficients have closed form" pot

... of the pth powers of all of the binomial coefficients of order n. There too, the methods described in [PWZ] can show that no closed form exists for specific fixed values of p, but the general question ... for sums of powers of binomial coefficients, J. Comb. Theory Ser. A 52 (1989), 77–83. [McI] Richard J. McIntosh, Recurrences for alternating sums of powers of...
Ngày tải lên : 07/08/2014, 06:22
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Báo cáo toán học: " Pyramid-based image empirical mode decomposition for the fusion of multispectral and panchromatic images" pptx

Báo cáo toán học: " Pyramid-based image empirical mode decomposition for the fusion of multispectral and panchromatic images" pptx

... 2012:4 http://asp.eurasipjournals.com/content/2012/1/4 Page 6 of 12 the results of modified IHS. The enchantment of spatial resolution of the Wavelet is of lower quality than the others. In the quantitative evaluation, the aforementioned indices ... where i is the number of the IMF; j is the number of the iteration and g is the number of pyramid layer. In...
Ngày tải lên : 20/06/2014, 20:20
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Báo cáo toán học: " Improving energy efficiency through multimode transmission in the downlink MIMO systems" pptx

Báo cáo toán học: " Improving energy efficiency through multimode transmission in the downlink MIMO systems" pptx

... 2011:200 http://jwcn.eurasipjournals.com/content/2011/1/200 Page 8 of 12 MIMO (6,2). The reason can be illustrated as follows. The precoding at the BS cannot completely align with the singular vectors of the channel matrix under the imperfect CSIT. ... than the receive antenna, the receiver cannot get the whole degree of freedom only through detection, so the degre...
Ngày tải lên : 20/06/2014, 21:20
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Báo cáo toán học: " UWB system based on energy detection of derivatives of the Gaussian pulse" potx

Báo cáo toán học: " UWB system based on energy detection of derivatives of the Gaussian pulse" potx

... a k, l is the tap weight of the kth component in the lth cluster. The delay of the lth cluster is denoted by T l and τ k, l is the delay of the kth multipath component relative to T l .Thephase j k, ... Figure 1, and the choice of the pulse pair depends on the bandwidth requirement of the system and its allocated frequency range. Increasing the value of a d...
Ngày tải lên : 20/06/2014, 21:20
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Báo cáo toán học: "When M-Cosingular Modules Are Projective" pptx

Báo cáo toán học: "When M-Cosingular Modules Are Projective" pptx

... denotes the Jacobson radical of M and Soc (M) denotes the socle of M.Byσ[M]we mean the full subcategory of the category of right modules whose objects are submodules of M -generated modules. A ... σ[M R m ], and the proof is complete.  An R-module M is called locally noetherian (locally artinian) if every finitely generated submodule of M is noetherian (artinian). Theore...
Ngày tải lên : 06/08/2014, 05:20
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Báo cáo toán học: "When are subset sums equidistributed modulo m" doc

Báo cáo toán học: "When are subset sums equidistributed modulo m" doc

... discuss the asymptotics of the distribution of subset sums when they are not uniform. the electronic journal of combinatorics 1 (1994), #R3 14 as claimed. If the odd part of m isprimethenwehaveanexactevaluation,asstatedinthe theorem ... that if f(q)isanyreal polynomial of degree m −1, then the sum of the squares of the coefficients of f is equal to 1 m  ω m =1...
Ngày tải lên : 07/08/2014, 06:20
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Báo cáo toán học: " When structures are almost surely connected" pdf

Báo cáo toán học: " When structures are almost surely connected" pdf

... n,weseethatC(x)is also analytic at zero, a contradiction. This completes the proof of the theorem. We now prove the second part of Theorem 1. The set of all graphs (labeled or unlabeled) provides an example ... loss of generality we may assume that c 1 ≥ 1, as increasing the value of c 1 can only decrease the values of c n /a n for large n. Suppose lim sup n→∞ c n a...
Ngày tải lên : 07/08/2014, 06:20
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Báo cáo toán học: " Hadamard matrices and strongly regular graphs with the 3-e.c. adjacency property" pdf

Báo cáo toán học: " Hadamard matrices and strongly regular graphs with the 3-e.c. adjacency property" pdf

... to the zones. Case 1 :TherowsofL are selected from the same zone, say the j-th zone. Referring to the proof of Theorem 1 we see that the leading columns of C i ’s form a rearrangement of the ... (Note that the assumption that n is odd is only used in this part of the proof.) Of course, none of the graphs in Theorem 5 are Paley graphs. We think that the assumpti...
Ngày tải lên : 07/08/2014, 06:22
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Báo cáo khoa học:When Can You Tile a Box With Translates of Two Given Rectangular Brick pot

Báo cáo khoa học:When Can You Tile a Box With Translates of Two Given Rectangular Brick pot

... true.                         ✲✛ αv ✲✛ β ✻ ❄ z 2 R 1 R 2 ✛ Slide bricks to the left to fill the rectangle R 1 Figure 5: The proof of Claim 1 Claim 2: The sub-rectangle R 2 of size β × z 2 is a multiple of the brick B 2 of size 1 × w. The argument is almost ... rational, then α i and β i are unique. Proof. Count the number of bricks of each type...
Ngày tải lên : 07/08/2014, 08:20
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