Báo cáo toán học: "Further applications of a power series method for pattern avoidance" ppt

... research report TH 94-04. the electronic journal of combinatorics 18 (2011), #P134 7 Further applications of a power series method for pattern avoidance Narad Rampersad ∗ Department of Mathematics ... 2011 Mathematics Subject Classification: 68R15 Abstract In combinatorics on words, a word w over an alphabet Σ is said to avoid a pattern p over an alphabet ∆ if there i...

Ngày tải lên: 08/08/2014, 14:23

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Ngày tải lên: 05/08/2014, 15:21

... Seminar ”Geometry of Banach spaces and Fixed point theory”, organized jointly by the Hanoi Institute of Mathematics and Hanoi University of Education. The author would like to thank the members of this Seminar ... Seminar for their useful comments. The author is grateful to the referee for valuable remarks. References 1. N. Azonszajn and P. Panitchpakdi, Extension of uniformly c...

Ngày tải lên: 06/08/2014, 05:20

... (3) and (4) are obviously equivalent. Recently, an elegant combinatorial proof of (4) was given by Shattuck [12], and a little complicated combinatorial proof of (2) was provided by Chen and Pang ... journal of combinatorics 17 (2010), #N13 5 Combinatorial proof of a curious q-binomial coefficient identity Victor J. W. Guo a and Jiang Zeng b a Department of Mathematics, East C...

Ngày tải lên: 08/08/2014, 11:20

... not readily available (Zhao et al., 2010). In contrast, bilingual parallel data is in abundance and has been used in extracting paraphrase (Ban- nard and Callison-Burch, 2005; Zhao et al., 2008b; Callison-Burch, ... issues are also raised in (Zhao and Wang, 2010) about using automatic metrics: paraphrase changes less gets larger BLEU score and the evaluations of paraphrase quality and rate...

Ngày tải lên: 23/03/2014, 14:20

... the growth of meromorphic solutions of algebraic differential equations. Acta Math. Sci. This Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full ... versions will be made available soon. Further results of the estimate of growth of entire solutions of some classes of algebraic differential equations Advances in Difference Equat...

Ngày tải lên: 20/06/2014, 20:20

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Ngày tải lên: 05/08/2014, 10:20

... Insertion of a Contra - Continuous Function * Majid Mirmiran Department of Mathematics, University of Isfahan Isfahan 81746-73441, Iran Received February 22, 2004 Revised October 20, 2005 Abstract. ... uρximplies uρyfor any u and v in S. Definition 2.3. A binary relation ρ in the power set P (X) of a top ological space X is calle d a strong binary relation in P (X) in case ρ...

Ngày tải lên: 06/08/2014, 05:20

... since I, A, ,A d is a basis for A( A), if Γ is τ-partially walk- regular with τ ≥ d, then all the matrices in such a basis have constant diagonal, and hence Γ is τ-partially walk-regular for any integer ... Spectra M .A. Fiol Departament de Matem`atica Aplicada i Telem`atica, Universitat Polit`ecnica de Catalunya,Jordi Girona, 1–3 , M`odul C3, Campus Nord 08034 Barcelona,Spain; ema...

Ngày tải lên: 07/08/2014, 06:20

... Essays in Honor of Gian-Carlo Rota, B. E. Sagan, R. P. Stanley, Progress in Math., vol. 161, Birkh¨auser [6] C. Krattenthaler, Generating functions for plane partitions of a given shape, Manuscripta ... degree of the determinant as a polynomial in m.It is exactly equal to the number of linear factors we have already found to divide the determinant. So we know the determinant up...

Ngày tải lên: 07/08/2014, 06:20