the application of second order differential equation
Báo cáo toán học: " Lyapunov-type inequalities for a class of even-order differential equations" doc
... interval symmetrizes about the origin. Then, similar to the proof of (2.9), wecan verify the condition f(α) = f(β), and the other conditions in Lemma 2.2 are satisfiedall the way. Hence, it also ... contributionsQZ carried out the theoretical proof and drafted the manuscript. XH participated in the design and coordination. Both of the two authors read and approved the final manuscript.References[1] ... [α, β], too. Then, by a similarmethod to the proof of (2.3) together with Lemma 2.2, we can obtain (2.4) immediately.For the other ordinary cases, i.e., a = 0, we only need to move the interval...
- 12
- 402
- 0
Báo cáo hóa học: "Research Article Iterative Solutions of Singular Boundary Value Problems of Third-Order Differential Equation" potx
... and the existence results of nontrivial solutions and positive solutions are given by means of the topological degreetheory. Motivated by the above works, we consider the singular third -order ... “Existence of solutions for a class of third -order nonlinear boundary valueproblems,” Journal of Mathematical Analysis and Applications, vol. 294, no. 1, pp. 104–112, 2004.14 D. Guo, Semi-Ordered ... Analysis and Applications, vol. 323, no. 1, pp. 413–425, 2006.12 Y. Sun, “Positive solutions of singular third -order three-point boundary value problem,” Journal of Mathematical Analysis and Applications,...
- 10
- 305
- 0
báo cáo hóa học:" Research Article Regularly Varying Solutions of Second-Order Difference Equations with Arbitrary Sign Coefficient" ppt
... whileall the regularly varying solutions of index 1 are asymptotic to a positive multiple of k.On the other hand, in the remaining two cases, the study of the regular variation of the solutions ... examined by means of the contraction mapping theoremin the Banach space of sequences converging towards zero. The following properties of hwill play a crucial role in the proof. The first two are ... 1αα−1.5.2Proof. The main idea of the proof is the analogous of the linear case, apart from someadditional technical problems. We omit all the details, pointing out only the main differences.NecessitySet...
- 16
- 309
- 0
báo cáo hóa học: " Study of the asymptotic eigenvalue distribution and trace formula of a second order operatordifferential equation" ppt
... 1+hν2⎤⎥⎦.(2:7)Further , let N be the number of positive roots of the function in (2.6), and W be the number of sign changes in its coefficients. Because the radius of convergence of thisseries is ∞, then ... verified that in the vicinity of zero, the function g(z) is of order O (zν).By virtue of this asymptotic and because g(z) is an odd function, the integral along the left-hand side of the contour ... δ >0.Then, we can state the following theorem.Theorem 3.2. Let the conditions of Theorem 2.1, (3.6) and (3.7) hold. If the operator-value function q(t) has properties 1-3, then the following...
- 22
- 334
- 0
Báo cáo hóa học: " Positive solutions of the three-point boundary value problem for fractional-order differential equations with an advanced argument" ppt
... 11as an important area of investigation. For the general theory and applications of integer order differential equations wit h deviat ed arguments, we refer the reader to the refer-ences [39-45].As ... fractional -order models. Inconsequence, the subject of fractional differential equations is gaining much impor-tance and attention. For details, see [18-36] and the references therein. Differential equations ... equations.Toidentifyafew,wereferthereaderto[2-13] and the references therein.Fractional differential equations arise in many engineering and scientific disciplinesas the mathematical modeling of systems and processes in the fields of ph...
- 11
- 343
- 0
báo cáo hóa học:" Research Article Error Bounds for Asymptotic Solutions of Second-Order Linear Difference Equations II: The First Case" pot
... completed the estimate of the error bounds for asymptotic solutions to second order linear difference equations in the first case. For the second case, we leave it to the second part of this paper: ... Asymptotic Solutions of Second- order Linear Difference Equation II: the second case.In the rest of this paper, we would like to give an example to show how to use the results of this paper to obtain ... solutions to 1.2 is still open. The purpose of this and the next paper Errorbounds for asymptotic solutions of second- order linear difference equations II: the second case is to estimate error...
- 19
- 377
- 0
AN ACTION RESEARCH ON THE APPLICATION OF COOPERATIVE LEARNING TO TEACHING SPEAKING TO THE SECOND YEAR SUDENTS AT THE DEPARTMENT OF ENGLISH, GIA LAI TEACHERS' TRAINING COLLEGE
... Michael J. Wallace.) The second instruments are the two set of speaking tests. The first one is the final tests of the three previous semesters (pre-tests) and the other is the final semester ... V. The design of the study: The study is divided into three parts, which are presented as follows. Part A is the introduction, which states the background to the study, the statement of the ... foremost objective of the study is for the sake of the students. Besides, the study is expected to serve as a source of reference for teachers of English on the teaching of speaking skills,...
- 93
- 741
- 1
quasilinear degenerate and nonuniformly elliptic and parabolic equations of second order
... since the presence of the weak degeneracy poses an obstacle to the improvement of the differential properties of the functions forming the equation. This monograph is not a survey of the theory of ... degenerate equations. We then establish localestimates of the gradients of solutions of equations of the form (1) by combining the use of certain methods characteristic of the technique of global ... depend on the behavior of the right side of the equation. It is shown in[163] that these conditions are inherent in the nature of the problem.§5. Estimates of IV ul on the boundary by means of local...
- 300
- 391
- 0
Báo cáo toán học: " On the first- and second-order statistics of the capacity " ppt
... statistical analysis of the capacity of N∗Nakagami-mchannels. 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. ... Ψ(1)(·) is the first derivative of the Digamma function Ψ(·) [33, Equation (8.360)]. In order to derive the PDF of the capacity of N∗Nakagami-m channels, we need to find the PDF pΞ2∞(z) of the squared ... levels r. Furthermore, the variance of the channel capacity decreases by increasing the number of hops, while increasein the severity of fading has an opposite influence on the variance of the channel...
- 32
- 456
- 0
Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25