Báo cáo toán học: "A Presentation of the Elements of the Quotient Sheaves Ωk /Θk in Variational Sequences" pdf

Báo cáo toán học: "A Presentation of the Elements of the Quotient Sheaves Ωk /Θk in Variational Sequences" pdf

Báo cáo toán học: "A Presentation of the Elements of the Quotient Sheaves Ωk /Θk in Variational Sequences" pdf

... Ω N r → 0. 1. Introduction The notion of variational bicomplexes was introduced in studying the problem of characterizing the kernel and image of Euler-Lagrange mapping in the calcu- lus of variations. ... w 0 , (16) Vietnam Journal of Mathematics 33:3 (2005) 271–281 A Presentation of the Elements of the Quotient Sheaves Ω k r /Θ k r in Variational...
Ngày tải lên : 06/08/2014, 05:20
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Báo cáo toán học: "A calmodulin inhibitor, W-7 influences the effect of cyclic adenosine 3'''', 5''''-monophosphate signaling on ligninolytic enzyme gene expression in Phanerochaete chrysosporium" pot

Báo cáo toán học: "A calmodulin inhibitor, W-7 influences the effect of cyclic adenosine 3'''', 5''''-monophosphate signaling on ligninolytic enzyme gene expression in Phanerochaete chrysosporium" pot

... 5 important role in initiating the lignin degrading reaction of the fungus, because they can cleave lignin structures extracellularly in the first step of lignin mineralization (Cullen ... understood. The lack of knowledge regarding the ligninolytic property of these fungi is an impediment to the development of a highly effective lignin-degrading fungal strain f...
Ngày tải lên : 20/06/2014, 20:20
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Báo cáo toán học: "A Tur´n Type Problem Concerning the Powers of the a Degrees of a Graph" ppsx

Báo cáo toán học: "A Tur´n Type Problem Concerning the Powers of the a Degrees of a Graph" ppsx

... shows that the value of n 0 (k) in the statement of the theorem is O(k 2 ). Another thing to note is that, as long as p ≥ 2, the actual value of p is insignificant. Let C ∗ be the family of even ... (however, for these we already have the sharp result of Theorem 1.2), but there are many others. One example is the balanced double star S k,k , that is obtained by taking...
Ngày tải lên : 07/08/2014, 06:20
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Báo cáo toán học: "A Combinatorial Approach to Evaluation of Reliability of the Receiver Output for BPSK Modulation with Spatial Diversit" pot

Báo cáo toán học: "A Combinatorial Approach to Evaluation of Reliability of the Receiver Output for BPSK Modulation with Spatial Diversit" pot

... length of the ribbon — 5, the classical numbering for the ribbon goes from 5 to 9 and is shown in Figure 3-a. Re-labelling the rest of the tabloid and re-arranging it as indicated in the Step 2 of ... 5.3.1 implies therefore that no two 1’s corresponding to boxes of the same column of r in the classical numbering can be part of the same increasing subsequen...
Ngày tải lên : 07/08/2014, 13:21
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Báo cáo toán học: "A Multiple Integral Evaluation Inspired by the Multi-WZ Method" potx

Báo cáo toán học: "A Multiple Integral Evaluation Inspired by the Multi-WZ Method" potx

... proof. Since a key to the integral evaluation is the package SMint,firstwegiveabrief description of the package. 1. A Brief Description of SMint The ”objects” of study in the continuous version of the ... calculations. However, in both forms the evaluation of the right side of the integral is much faster (for specific m, n,andk) than the direct evaluation of...
Ngày tải lên : 07/08/2014, 06:22
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Báo cáo toán học: "A note on an identity of Andrews" docx

Báo cáo toán học: "A note on an identity of Andrews" docx

... The proof of the Theorem The q-difference operator and the q-shift operator η are defined by D q {f(a)} = 1 a (f(a) − f(aq)) and η{f (a)} = f (aq), respectively. In [2] Chen and Liu construct the ... q) ∞ (ac,ad,cf,df; q) ∞ · E(eθ) {(abcd, bcdf; q) ∞ } . (7) the electronic journal of combinatorics 12 (2005), #N3 2 Again, applying the results (3) and (4) of Chen and Liu, we...
Ngày tải lên : 07/08/2014, 08:22
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Báo cáo toán học: "A Pfaffian–Hafnian Analogue of Borchardt’s Identity" ppt

Báo cáo toán học: "A Pfaffian–Hafnian Analogue of Borchardt’s Identity" ppt

... the proof of Lemma 2.2. Now we are in the position to prove the identity (7) in Theorem 1.1. Proof of (7). We proceed by induction on n. Expanding the Pfaffian along the last row/column and using ... n. 2Proof In this section, we prove the identity (7) in Theorem 1.1 by using complex analysis. The other identity (8) is shown by the same method, and also derived from...
Ngày tải lên : 07/08/2014, 08:22
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Báo cáo toán học: "A note on three types of quasisymmetric functions" docx

Báo cáo toán học: "A note on three types of quasisymmetric functions" docx

... keeping track of the set of minus signs of our signed permutation along with the descents. For example, Γ((−3, 2, −1)) =  0<i≤j<k u i v j u k . To keep track of both the set of signs and the ... ··· If S is the nonnegative integers, then ±S is the set of all integers. The third property of type B P -partitions means that f(0) = 0 and the set {f (i) | i =1,...
Ngày tải lên : 07/08/2014, 13:21
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Báo cáo toán học: "A quantitative ergodic theory proof of Szemer´di’s e theorem" pot

Báo cáo toán học: "A quantitative ergodic theory proof of Szemer´di’s e theorem" pot

... setting We now begin our new proof of Theorem 1.2. Following the abstract scheme outlined in the introduction, we should begin by specifying what objects we shall use as proxies for the set A. The ... ergodic theory proof, and which is “elementary” in the sense that it does not require the axiom of choice, the use of in nite sets or measures, or the use of the F...
Ngày tải lên : 07/08/2014, 13:21
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Báo cáo toán học: " A note on the almost sure limit theorem for self-normalized partial sums of random variables in the domain of attraction of the normal law" pptx

Báo cáo toán học: " A note on the almost sure limit theorem for self-normalized partial sums of random variables in the domain of attraction of the normal law" pptx

... sums of random variables in the domain of attraction of the normal law Qunying Wu 1,2 1 College of Science, Guilin University of Technology, Guilin 541004, P. R. China 2 Guangxi Key Laboratory of ... completes the proof of Theo- rem 1.1. Competing interests The author declares that she has no competing interests. Acknowledgments The author was very grateful to the...
Ngày tải lên : 20/06/2014, 21:20
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