Báo cáo toán học: "Encodings of cladograms and labeled trees" docx

... formatted PDF and full text (HTML) versions will be made available soon. Characterization of epitaxial GaAs MOS capacitors using atomic layer-deposited TiO2/Al2O3 gate stack: study of Ge auto-doping and p-type ... Figure 2 presents the ToF-SIMS profile of the epitaxial GaAs/ Ge interface for undoped and Zn- doped epi -GaAs with ALD coated TiO...

Ngày tải lên: 20/06/2014, 20:20

... 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

... analysis of the capacity of N∗Nakagami-m channels. Specifically, we have studied the influence of the severity of fading and the number of hops on the PDF, CDF, LCR, and ADF of the channel capacity. ... the expressions for the statistical properties of the channel capacity C(t). Again, by applying the concept of transformation of random variables...

Ngày tải lên: 20/06/2014, 20:20

... ) -iteration for finding a fixed point of continu- ous mappings on an arbitrary interval. Then, a necessary and sufficient condition for the strong convergence of the proposed iterative methods for continuous ... and nondecreasing functions. In this article, we are interested to employ the concept of W -mappings and K- mappings for approximation of a sol...

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

... class (of signed, gain, or bidirected graphs) Notation: [], [], [B] ã An equivalence class of signed, gain, or bidirected graphs under switching. 27 isomorphism (of signed, gain, or bidirected graphs) Notation: = ã ... signing of the underlying graph. Equiva- lent to being additively biased. signed gain graph signed graph with gains Notation: (Γ,σ,ϕ), (Φ,σ), (,) ã A...

Ngày tải lên: 07/08/2014, 05:23

... a graph G and a covering ˜ G of G and we study the relations of their eigenvalues and heat kernels. We evaluate the heat kernel for an infinite k-regular tree and we examine the heat kernels for ... Coverings, heat kernels and spanning trees Fan Chung †∗ University of Pennsylvania Philadelphia, Pennsylvania ... path P with vertices v 0 , ,v p where p = D(G). Suppose...

Ngày tải lên: 07/08/2014, 06:20

... the proof of Theorem 1.1 is complete, and with this result at hand, we may now prove Theorem 1.2 and Theorem 1.5. Proof of Theorem 1.2. First, take a non-linear irreducible character χ of S n ;thus, χ ... 2 and four cases where it ends on 3, namely for 10, 50, 100 and 15.856.204. 4 Proofs of the main results We first give the proof of Theorem 1.1. Let λ =(λ 1 ,λ 2 , ,λ l )...

Ngày tải lên: 07/08/2014, 08:22

... Equivalence of relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4 Equality of ordinary skew Schur Q-functions 15 5 Ribbon Schur Q-functions 22 5.1 Equality of ribbon Schur Q-functions ... Composition of transpositions and equality of ribbon Schur Q-functions Farzin Barekat Department of Mathematics University of British Columbia Vanc...

Ngày tải lên: 08/08/2014, 01:20

... between fat cladograms and a certain set of strings, called names of fat cladograms. Definition 17 Define the set of names of fat cladograms with n  2 leaves, denoted FatName(n), to be the set of strings ... (1) ¯ 3 ¯ 2 ¯ 42 ¯ 6 ¯ 734 ¯ 8 ¯ 55678 This function, nameOfCladogram, is a bijection between c ladograms and a certain set of strings, called names of cladograms...

Ngày tải lên: 08/08/2014, 12:22

... polynomial to the entries of the Frobenius-Perron eigenvector of a certain Markov process associated to the Brauer loop model. The main theorem of this paper is a proof of the following conjecture of Knutson ... generalization of a theorem of Knutson and Zinn-Justin [1]. (Because the proofs of the theorems are identical, we refer the reader to their paper f...

Ngày tải lên: 08/08/2014, 12:22

... Lehman matrices are the thin Lehman matrices and the point-line incidence matrices of nondegenerate finite projective planes. We would like to know if there are any other infinite families of Lehman ... finite nondegenerate projective planes, a widely studied topic [4], and thin Lehman matrices. Thin Lehman matrices were defined and studied by Cornu´ejols et al. [3]. the...

Ngày tải lên: 08/08/2014, 12:23

... fundamen- tal transversal matroids, for cotransversal matroids, and for matroids that are both transversal and cotransversal. Proof. The proof of each part uses one of Theorems 3.2 and 4.1 along ... and property (3), so M is transversal by Theorem 3.2. ✷ 4 Characterizations of Fundamental Transversal Matroids In this section, we treat counterparts, for fundamental t...

Ngày tải lên: 08/08/2014, 14:23

... ies of the hypergroups defined by J.C. Varlet [24] and S. Comer [3] that called here Varlet hypergroups and Comer hypergroups, respectively. Using the results of [1, 22] the electronic journal of ... determined by lattices introduced by Varlet and Comer, especially we enumerate Varlet and C omer hypergroups of orders less than 50 and 13, respectively. 1 Basic defi...

Ngày tải lên: 08/08/2014, 14:23

... 125 of squamous cell cervical carcinomas FIGO stage IB, respectively. This is in line with our previous study identifying EphA2 and EphrinA-1 in 88% and 92% of squamous cell cervical carcinomas ... 2008.06.05 By using immunohistochemistry we investigated the expression of EphA2 and EphrinA-1 in 217 early squamous cell cervical carcinomas...

Ngày tải lên: 08/08/2014, 17:20