Báo cáo toán học: "An algorithmic Friedman–Pippenger theorem on tree embeddings and applications" ppsx

... conditions in order to decrease s, the number of trees obtained in the decomposition. This would allow us to soften conditions (4) imposed on D and λ. 4 Constructive lossless expanders and tree ... stronger than the requirement of [3]. the electronic journal of combinatorics 15 (2008), #R127 6 An algorithmic Friedman–Pippenger theorem on tree embeddings and applications...

Ngày tải lên: 07/08/2014, 21:20

... evaluation were done on a GC/MSD ChemStation (Agilent, Waldbronn, Germany). The determination of the pharmaceuticals (diclofenac and carbamazepine) in fraction 2 was achieved on a Faber and Bierl ... of SPE and fractionation in the present study (Figure 3) relies on the survey by Kern et al. [25]. The combination of Oasis HLB with a cation and an anion exchanger provides the ext...

Ngày tải lên: 20/06/2014, 20:20

... 6 In section 2, we give the necessary definitions and background for this paper. Section 3 contains the construction of our bijection and the proof that it sends the area statistic on Dyck paths ... generating function on that class of objects. A statistic on permutations is called Mahonian if it is equidistributed with the inv statistic on permutations in S n . One well- known Mah...

Ngày tải lên: 07/08/2014, 06:22

Ngày tải lên: 05/08/2014, 09:46

... Stanley’s solution t o problem 14(a) in [36, p. 266-267 ] establishes the following theorem. Theorem 3 (Modifications of Goulden and Jackson’s [17] result). If, for nonempty L, R ⊆ X and a nonempty F ... (4) with (7) and of (5) with (8 ) strongly suggests that certain problems in PS and PC are one-in-the-same. F´edou’s [15] insertion-shift bijection provides the connection. the elec...

Ngày tải lên: 08/08/2014, 12:22

... given a configuration. In fact, it will be the one which is associated to the highest conditional probability in the respective configuration column. Further information about the results and the ... 14 combinations of configurations and bit rate, conditional probabilities of the form Pr kj [BR k |CFG j ] can be calculated. These probabilities are then organised in conditional pr...

Ngày tải lên: 20/06/2014, 20:20

... prior assumption of sparse signal property. (2) The relaxation of the estimation of spatial components corresponding to noise leads to stable and fast convergence. 4. Simulations In this section, some ... iteration of EIAA, the optimal filter is only utilized to estimate the spatial components likely corresponding to the impinging angles of sources, and other spatial components correspond...

Ngày tải lên: 20/06/2014, 20:20

... n-norms on X. We call these n-norms as α-n-norms on X corresponding to the fuzzy n-norm on X. Definition 2.3 Let X be any non-empty set and (X) the set of all fuzzy sets on X. For U, V ∈ (X) and ... use, distribution, and reproduction in any medium, provided the original work is properly cited. For a mapping Ψ, consider the following condition which is called the n-distance one...

Ngày tải lên: 20/06/2014, 21:20

... coding, source rate control, ARQ retransmissions, prioritization of video information (and related unequal error protec- tion), power allocation, and error concealment are all performed jointly and adaptively ... Journal on Wireless Communications and Networking 2011, 2011:199 http://jwcn.eurasipjournals.com/content/2011/1/199 Page 13 of 17 24. K Cho, D Yoon, On the general BER exp...

Ngày tải lên: 20/06/2014, 21:20

Ngày tải lên: 05/08/2014, 09:46