Báo cáo toán học: "RESTRICTED SET ADDITION IN GROUPS, II ˝ A GENERALIZATION OF THE ERDOS-HEILBRONN CONJECTURE" pptx
Báo cáo toán học: "RESTRICTED SET ADDITION IN GROUPS, II. ˝ A GENERALIZATION OF THE ERDOS-HEILBRONN CONJECTURE" pptx
... −12. In a certain (rather narrow) range of m, n and in the particular case of R induced byan injective mapping, Theorem 3 improves Theorem 1.To deal with the generalization of the most important and ... Math´ematique, Geneva, 1980.[6] V.F. Lev, Restricted set addition in groups. I. The classical setting, Journal of the LondonMathematical Society, to appear.[7] J.M. Pollard, A generalization of the ... sums a + b with (a, b) /∈R, and we obtain a partial generalization of this estimate for arbitrary Abeliangroups.1. Background: mapping restrictionsFor two subsets A and B of the set of elements...
- 10
- 516
- 0
Báo cáo toán học: "Recognizing circulant graphs in polynomial time: An application of association schemes" pot
... is a gc-graph.While the cases (i) and (ii) of Theorem 3.1 can be handled in a straightforward manner, the treatment of case (iii), where the connection set is a subgroup of Z∗n, needs additionalknowledge ... vertex set can be numbered in such a way that the resultingadjacency matrix A( G) is a circulant matrix. We call such a numbering a Cayley num-bering. Still another characterization is: G is a circulant ... configurations and Schur rings whichwe have used in the main body of this paper. Most of them have been developed basically in earlier papers of the first author and have already been used in [21]....
- 32
- 347
- 0
Báo cáo toán học: "Hard Squares with Negative Activity and Rhombus Tilings of the Plane" pdf
... already know in the present case.Applying the procedure in Step I of the proof of Lemma 5.14, we obtain a perfectmatching on Ω1,x,e (a) . Namely, the elements y2and z1used in the matching ... applied to a set σ in Λ3(K) in Step III of the proof of Lemma 5.14; the elements marked with stars in the left-hand picture are replaced with the single star-marked element in the right-hand picture.Figure ... have thaty0∈ σ. Now, taking the reflection of the given configuration about the line throughx1:= x with slope in direction se, we again obtain the situation in Step I of the proof of Lemma...
- 46
- 337
- 0
Báo cáo toán học: "Longest increasing subsequences in pattern-restricted permutations" pptx
... pattern have a LIS of some givenlength.Our main results are the following.Theorem 1. In the class of (231)-avoiding permutations of n letters, and in the class of (312)-avoiding permutations of ... standard normal distribution.Theorem 2. In the class of (132)-avoiding permutations of n letters, and in the class of (213)-avoiding permutations of n letters, the length of the longest increasing subsequencehas ... (2003), #R12 45 Other patterns of three lettersWe have so far dealt with the statistics of the length of the longest increasing subsequence in permutations that avoid any one of the patterns (132),...
- 8
- 278
- 0
Báo cáo toán học: "Longest alternating subsequences in pattern-restricted permutations" pptx
... pattern-restrictedpermutationsGhassan FirroDepartment of MathematicsUniversity of Haifa, 31905 Haifa, Israelgferro@math.haifa.ac.ilToufik MansourDepartment of MathematicsUniversity of Haifa, 31905 Haifa, Israeltoufik@math.haifa.ac.ilMark ... words, alnsatisfies a Gaussian Limit law.We note that as in Stanley’s study, we obtain Gaussian limiting behaviour (but with a smaller mean and larger variance). The generating functions obtained ... 1, q).(iii) The number of 231-avoiding permutations π of length n having al(π) = m the sameas the number of 321-avoiding permutations π of length n having al(π) = m. In other words, A 231(x,...
- 17
- 257
- 0
Báo cáo toán học: "On some densities in the set of permutations" ppsx
... kn(σ).∗ The final version of this paper was written during the author’s stay at Institute o f Statistical Science of Academia Sinica , Taipei. We gratefully acknowledge the support and thank Professors ... Ann. Probab.,1992, 20, 3, 1567–1591.[2] R. Arratia, A. D . Barbour and S. Tavar´e, Logarithmic Combinatorial Structures: a Probabilistic Approach, EMS Monographs in Mathematics, EMS Publishing ... distribu-tions: an analytic approach, Advances in Appl. Probab., 1999, 31, 448–491.[9] V.F. Kolchin, A problem of the allocation of particles in cells and cycles of randompermutations, Teor. Veroyatnost....
- 15
- 354
- 0
Báo cáo toán học: " Interface modification effect between p-type a-SiC:H and ZnO:Al in p-i-n amorphous silicon solar cells" potx
... is carried out at the AZO and p-type a- SiC:H interface to obtain a better solar cell performance without loss in the FF. The abrupt potential barrier at the interface of AZO and p-type a- SiC:H ... is smaller than a- SiC:H, indicating that both the optical and electrical properties are different. At the depth of about 810 nm, because of the smaller energy bandgap of the nanocrystalline ... efficiency. There are a number of factors that limit the solar cell performance, the potential barrier at the front interface being one of them. Since the material properties of nanocrystalline silicon...
- 14
- 275
- 0
Báo cáo toán học: " IPv6 address autoconfiguration in geonetworking-enabled VANETs: characterization and evaluation of the ETSI solution" ppt
... a moving vehicle. The detailed ana-lytical characterization of the ETSI SLAAC solutionallows to obtain pre-determined performance upperlimits defined by the applications, facilitating a grad-ual ... estimated permanency time of a vehiclewithin a geographical area. For the sake of the ex-ample, let us consider a non-extreme case, as the one of an area with a length (DRSU) of 2,000 m and a wireless ... technology, and the distance between access points in the infrastruc-ture. The reasonable scenarios are characterized by a high probability of reaching the fixed infrastruc-ture from vehicles. These are...
- 33
- 381
- 0
Báo cáo toán học: " Two-stage source tracking method using a multiple linear regression model in the expanded phase domain" pdf
... 7, is valid in the expanded phase domain. Finally, the estimator determines the most accurate delayamong the estimated results in each expanded phasedomain by measuring Euclidean distance between ... 8 of 19input signal. The variance of IPD error at interpolatedfrequencyissameasoriginalvariance.Theproposedsolution in the expanded phase domain, Equation 10, isnot only unconstrained by the ... distribution of the expanded phase follows Gaussian pdf. In Figure 6, the dotted-line depicts a histogram of the expandedphase and the dashed-line shows the IPD of observedsignals in the original phase...
- 19
- 455
- 0
Báo cáo toán học: " Biological effects monitoring in marine research" pot
... use of biomarker as part of an integrated assessments of the marine ecosystem. This goal is addressed in the EU marine strategy framework directive and other international programs. With this article ... eects monitoring plays an important role in marine monitoring. Contaminants and their eects on sh as well as on other marine organisms belong to the main topics of international monitoring schemes. ... choosing and applying marker of contaminant eects to marine eld samples. It reects the actual stage of international guidelines for biological eects monitoring in marine sh and provides an outlook...
- 13
- 364
- 0
Từ khóa: các báo cáo toán học haybáo cáo toán học haythe role of teachers schools and communities in quality education a review of the literaturebáo cáo khoa học toán họcbáo cáo khoa họcbáo cáo y họcBáo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018Báo cáo quy trình mua hàng CT CP Công Nghệ NPVNghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namNghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoạiNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ