báo cáo hóa học: " Weak solutions of functional differential inequalities with first-order partial derivatives" ppt

... of first-order partial differential equations, including questions such as estimates of solutions of initial problems, estimates of domains of solutions, estimates of the difference between solutions ... 35R45. Keywords: Functional differential inequalities, Haar pyramid, Comparison the orems, Weak solutions of initial problems 1 Introduction Two types of r...

Ngày tải lên: 21/06/2014, 02:20

... 2 Positive solutions of difference equations Recently, the existence of positive solutions of finite difference equations with different boundary value conditions is ... (1.13) POSITIVE SOLUTIONS OF FUNCTIONAL DIFFERENCE EQUATIONS WITH p-LAPLACIAN OPERATOR CHANG-XIU SONG Received 18 October 2005; Accepted 10 January 2006 The author studies the boundary value problems with .....

Ngày tải lên: 22/06/2014, 22:20

... orthogonality of eigen- functions of different degrees. Now, from the differential equation, determining the leading three coefficients of every P n and using Equation 2.4 leads to the determination of ... 2011:58 http://www.advancesindifferenceequations.com/content/2011/1/58 Page 3 of 12 RESEARCH Open Access Polynomial solutions of differential equations H Azad * , A Laradj...

Ngày tải lên: 20/06/2014, 22:20

... 2011:22 http://www.journalofinequalitiesandapplications.com/content/2011/1/22 Page 6 of 6 which yields f ( x − p ) ≤ f ( x ) + δ + ε. The last inequality together with (2.5) finishes the proof of (v). □ Proof of Theorem ... M . Przebieracz Journal of Inequalities and Applications 2011, 2011:22 http://www.journalofinequalitiesandapplications.com/content/2011/1/22 Page 4 of 6 RESE...

Ngày tải lên: 21/06/2014, 01:20

... systems of nonlinear integro -differential equations with deviating arguments. J Comput Appl Math 2010, 234:1356-1363. 46. Balachandran K, Park JY, Julie MD: On local attractivity of solutions of a functional ... 2011:2 http://www.advancesindifferenceequations.com/content/2011/1/2 Page 8 of 11 in f t∈ [ η,1 ] u(t ) ≥ γ ||u|| , where γ = min{βη, β(1 − η) 1 − βη , η } . Proof.Not...

Ngày tải lên: 21/06/2014, 03:20

... → (λ i , θ) with (µ j , u j ) ∈ C k ∩ (R × S ν k ). This contradicts to Lemma 2.3. 3 Proof of main results Proof of Theorems 1.1 and 1.2. We only prove Theorem 1.1 since the proof of Theorem 1.2 ... and L´opez-G´omez [7], the proofs of these theorems contain gaps, the original statement of Theorem 1.40 of [4] is not correct, the original statement of Theorem 1.27 of [4] is s...

Ngày tải lên: 21/06/2014, 17:20

... role in the theory of functional equations. Some information on the applications of (1.1)and(1.2) in the determination of substructures of algebraical struc- tures, in the theory of geometric objects ... 4] and [14,Chapter5]. 4 Approximate solutions of the Goła¸b-Schinzel equation Note that in view of (2.1)and(2.13), for every x, y ∈ X, the right-hand side of the last equa...

Ngày tải lên: 22/06/2014, 22:20

... periodic solutions of semilinear Duffing equations,JournalofDiffer ential Equations 105 (1993), no. 2, 364–409. [5] C. Fabry and D. Fayyad, Periodic solutions of second order differential equations with ... Mawhin, Periodic solutions for nonlinear sy stems with p-Laplacian-like operators,JournalofDifferential Equations 145 (1998), no. 2, 367–393. [9] J.MawhinandJ.R.WardJr.,Periodic...

Ngày tải lên: 22/06/2014, 22:20

... 1,weobtainobvi- ously again a τ-periodic solution x 0 (· )of( 1.1)withx 0 (0) ∈ Ᏸ \ intA and, in the case of uniqueness, three τ-per iodic solutions of (1.1). PERIODIC SOLUTIONS OF DISSIPATIVE SYSTEMS REVISITED JAN ... Proceedings of the National Academy of Sciences of the United States of America 53 (1965), 1262–1264. [23] N. Levinson, Transformation theory of non-linear...

Ngày tải lên: 22/06/2014, 22:20