Báo cáo hóa học: " Research Article The Existence of Periodic Solutions for Non-Autonomous Differential Delay Equations via Minimax Methods" potx

... Diﬀerence Equations Volume 2009, Article ID 137084, 15 pagesdoi:10.1155/2009/137084 Research Article The Existence of Periodic Solutions for Non-Autonomous Differential Delay Equations via Minimax ... the existence of periodic solutions of 1.2. Under the superlinear conditions1.5, there is no twist condition for f, which brings di ﬃculty to the study of the existence of periodic solutions ... ones to the problem of ﬁnding periodic solutions for a related system of ordinary diﬀerential equations. Thenvariational method was applied to study the related systems and the existence of periodic solutions...

Báo cáo hóa học: " Research Article The Existence of Positive Solutions for Third-Order p-Laplacian m-Point Boundary Value Problems with Sign Changing Nonlinearity on Time Scales" ppt

... Diﬀerence Equations author studied the existence of solutions for the nonlinear boundary value problem byusing Krasnoselskii’s ﬁxed point theorem and Leggett and Williams ﬁxed point theorem,respectively.In ... diﬃcult to ﬁnd positive solutions of the p-Laplacian equation when the nonlinearity changes sign. In particular, little work has beendone on the existence of positive solutions for higher order p-Laplacian ... ∈ 0,ρT. He obtained the existence of at l east double and triple positive solutions of the problems by using a new double ﬁxed point theorem and triple ﬁxed point theorem,respectively.In...

báo cáo hóa học:" Research Article The Existence and Exponential Stability for Random Impulsive Integrodifferential Equations of Neutral Type" pot

... control theory, bioscience, physics, etc. Thisclass of equations play an important role in modeling phenomena of the real world. So it isvaluable to discuss the properties of the solutions of these ... Diﬀerence Equations Proof. The approach of the proof is very similar to those in 17, 19, 20. Here, we omit it.Theorem 3.2. Provided that conditions (H1)–(H4) hold, then the system 2.2 with the ... impulsiveintegrodiﬀerential equation of neutral type. One of the main reason is that the methods todiscuss the exponential stability of deterministic impulsive diﬀerential equations of neutraltype and the exponential...

Báo cáo hóa học: " Research Article The Method of Subsuper Solutions for Weighted p r -Laplacian Equation Boundary Value Problems" doc

... contradiction to the deﬁnition of t0,sout ≤ βt, for any t ∈ T1,T2.3. Proofs of main resultsIn this section, we will deal with the proofs of main results.Proof of Theorem 1.1. From ... bounded. By virtue of Schauder ﬁxed point theorem, Φfu has at least one ﬁxed point u in C1c,d. Then, u is asolution of SBVP with 1.1. This completes the proof.Proof of Theorem 1.2. Let ... Palais-Smaleconditions, the results on this case are rare.There are many papers on the existence of solutions for p-Laplacian boundary valueproblems via subsuper solution method see 20–24. But results on the...

Báo cáo hóa học: " Research Article The Existence of Positive Solution to a Nonlinear Fractional Differential Equation with Integral Boundary Conditions" potx

... Diﬀerence Equations 136. ConclusionsIn this paper, by using the ﬁxed point theorem of cone, we have investigated the existence of positive solutions for a class of nonlinear fractional diﬀerential equations ... results on the existence of positive solutions by using ﬁxed point theorem in cones. The proofs are based upon the reduction of problem considered to the equivalent Fredholm integral equation of second ... preliminaries for discussing the existence of positive solutions of boundary value problem 1.5.Advances in Diﬀerence Equations 5Therefore, the unique solution of BVP 2.1 isxt −1Γαt0t...

báo cáo hóa học:" Research Article Extremal Values of Half-Eigenvalues for p-Laplacian with Weights in L1 Balls" potx

... is the monotonicity of the half-eigenvalues on the weights a, b. The other is the inﬁmum HFm,γr can be attained by some weights for any γ ∈ 1, ∞.Asconsequence of these two facts, for ... 7–10.As an elementary application of such a stronger continuity, the proof of the ﬁrst step,that is, the existence of minimizers or maximizers, of the extremal value problems as in 1–3was ... in the proof of Theorem 4.5.Thus4.23 holds. One can prove 4.22 analogously.Theorem 4.7. Given r>0,then1.11 holds for any γ ∈ 1, ∞ and 1.12  holds for any γ ∈ 1, ∞.Proof. By the...

báo cáo hóa học:" Research Article Global Structure of Nodal Solutions for Second-Order m-Point Boundary Value Problems with Superlinear Nonlinearities" pot

... Σνkdenote the closure of set of those solutions of 1.1,1.2 which belong to Φνk. The main results of this paper are the following.Theorem 1.5. Let (A1)–(A4) hold.a If f∞ 0, then there ... best of our knowledge, there is no paperto discuss the global structure of nodal solutions of 1.1, 1.2 with f0 ∞.In this paper, we obtain a complete description of the global structure of ... from the Arzela-Ascoli Theorem and the deﬁnition of fn. Therefore, the superior limit of {Cνnk}, Dνk, contains an unboundedconnected component Cνkwith 0, 0 ∈Cνk.From the...

Báo cáo hóa học: " Research Article Inﬁnitely Many Periodic Solutions for Variable Exponent System" docx

... solution of P, and the periodic of unx,vnx is 4nT. This completes the proof.2 Journal of Inequalities and ApplicationsIn 19 , the authors consider the existence of positive weak solutions ... nonhomogeneity of px-Laplacian, the ﬁrst eigenfunction cannot beused to construct the subsolution of px-Laplacian problems.There are many papers on the existence of periodic solutions for p-Laplacian ... ellipticsystems, for example 21–24. The results on the periodic solutions for variable exponentsystems are rare. Through a new method of constructing sub-supersolution, this paper gives the existence of...

Báo cáo hóa học: " Research Article The Optimal Convex Combination Bounds for Seiffert’s Mean" doc

... terms of Lehmer means,”Journal of Mathematical Inequalities, vol. 4, no. 4, pp. 581–586, 2010.11 S. Wang and Y. Chu, The best bounds of the combination of arithmetic and harmonic means for the Seiﬀert’s ... b1.5holds for all a, b > 0witha/ b. For more results, see 9–23. The purpose of the present paper is to ﬁnd the greatest values α1,α2and the leastvalues β1,β2such that the double ... means,” Journal of Inequalities andApplications, vol. 2009, Article ID 763252, 7 pages, 2009.20 J. Wen and W L. Wang, The optimization for the inequalities of power means,” Journal of Inequalitiesand...

Báo cáo hóa học: " Research Article The Effect of a Voice Activity Detector on the Speech Enhancement Performance of the Binaural Multichannel Wiener Filter" ppt

... beconsidered for two reasons: (1) the SNRs often found in the environment span the range of −10 to 5 dB and shouldtherefore be included in the evaluation of algorithms for hearing aids [17]and(2)theSRTpoint,atwhichthereishighest ... section, the speech and noise classiﬁcation performance of the envelope-based VAD for the three settings of β is presented. The percentages of correctly detected samples were calculated for the scenarios ... obtain the current dynamic range of the signal.(4) The decision for a speech pause is based on severalrequirements regarding the dynamic range of the signal and the current envelope values for the...

Xem thêm

Từ khóa: Báo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018 Nghiên 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 nam Nghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấp Nghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt nam Biện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọ Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit ĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN Phát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninh Phát hiện xâm nhập dựa trên thuật toán k means Thơ nôm tứ tuyệt trào phúng hồ xuân hương Thiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khí Quản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2 Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật BÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘI Chiến lược marketing tại ngân hàng Agribank chi nhánh Sài Gòn từ 2013-2015 HIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀM QUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ