Báo cáo toán học: "New directions in enumerative chess problems to Richard Stanley on the occasion of his 60th birthday" docx

... opening displa- cement, and peak opening velocity) obtained by dividing the standard deviation of kinematic data by the mean kinematic data. Larger CV indicates higher variability of kinematic data ... can be reflected in high variability on kinematic variables and high STI values in speech tasks. This study aims to investigate speech motor control in children...

Ngày tải lên: 19/06/2014, 08:20

... text (HTML) versions will be made available soon. Spin-related tunneling through a nanostructured electric-magnetic barrier on the surface of a topological insulator Nanoscale Research Letters 2012, ... and the barrier width. In addition, changing the length of the barrier and/or the magnetic field can tune the total reflection and the perfect transmi...

Ngày tải lên: 20/06/2014, 20:20

... teaching Chinese as a foreign language: A case study of native Chinese teachers in Beijing. In Language alternation, language choice and language encounter in international education, eds. Hartmut ... words: Chinese as a foreign language; English as a lingua franca; Sinophone identity; code choice; multilingual classroom Background While Chine...

Ngày tải lên: 20/06/2014, 21:20

... Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. New proofs of Schur-concavity for a class of symmetric ... 0, and then h  (t) ≤ 0, so f (t) is concave on (0, 1). NEW PROOFS OF SCHUR-CONCAVITY FOR A CLASS OF SYMMETRIC FUNCTIONS HUAN-NAN SHI ∗ , JIAN Z...

Ngày tải lên: 20/06/2014, 21:20

... integrated framework for modeling, analyzing and simulating biological processes, and review several modeling formalisms that have been used in Systems Biology including Boolean networks, Bayesian ... used for modeling dynamical systems in several areas. Systems of non-linear ordinary differential equations (ODEs) have been used in SB to describe the variation of the amount...

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, 10:20

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Ngày tải lên: 05/08/2014, 15:20

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Ngày tải lên: 05/08/2014, 15:20

... appear. [2]G.D.Cohen,I.Honkala,S.LitsynandA.Lobstein:Covering Codes, Elsevier, 1997. [3] M.G.Karpovsky,K.ChakrabartyandL.B.Levitin: Onanewclassofcodes for identifying vertices in graphs, IEEE Trans. Inform. Th., vol. 44, ... vertex of degree zero. Since, by symmetry, one element in C  2 produces two vertices with degree zero or New Bounds for Codes Identifying Vertices...

Ngày tải lên: 07/08/2014, 06:20

... that the existence of a 4-cycle system of order n having an m-colouring of type bd, implies the one of a 4-cycle system of order n + 8 having an (m + 1)-colouring of type bd. ✷ 4 2-Colouring of ... , n+3 4 } there is a 4-cycle system of order n with a proper m-colouring of type bf . Proof.Thecasesm =3andm = n+3 4 are proved by using Theorem 2.3 and Theorem 2.4 re...

Ngày tải lên: 07/08/2014, 06:22

... electronic journal of combinatorics 11(2) (2004–2005), #A4 4 New directions in enumerative chess problems to Richard Stanley on the occasion of his 60th birthday Noam D. Elkies Department of Mathematics Harvard ... rules of chess, including those involving check: the “cooperation” does not extend to letting the opponent put or leave the King in ch...

Ngày tải lên: 07/08/2014, 08:22

... New infinite families of 3-designs from algebraic curves of higher genus over finite fields Byeong-Kweon Oh ∗ Department of Applied Mathematics Sejong University, ... Yang, An infinite family of 3-designs from Preparata codes over Z 4 , Des. Codes Cryptogr. 15 (1998), no. 2, 175–181. [6] T. Helleseth, C. Rong, K. Yang, New infinite families of 3-designs...

Ngày tải lên: 07/08/2014, 15:22

... communication and preprint of [2]) that typi- cal constructions of infinite families of simple 3-connected k -crossing-critical graphs create bounded numbers (wrt. k) of vertices of degrees other than ... in infinite families of k -crossing-critical graphs? We positively answer one half of his question in Theorem 3.1 and Proposition 2.1; ã namely we construct, for all k...

Ngày tải lên: 07/08/2014, 21:20