friedrich apos s inequality and the first eigenvalue of a boundary value problem
Báo cáo hóa học: " On the solvability of a boundary value problem on the real line" pdf
... operator F also satisfies the other required assumptions Similar considerations can be done for the p-Laplacian operator too, using Theorem 2.5 Author details Dipartimento di Matematica - Università ... the proof proceeds in the same way □ In the particular case of p-Laplacian operators, one can use the positive homogeneity for weakening assumption (2.17) of Theorem 2.4 and widening the class ... contributions The authors wrote this article in collaboration and with same responsibility All authors read and approved the final manuscript Competing interests The authors declare that they have no...
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báo cáo hóa học:" Research Article Accurate Asymptotic Formulas for Eigenvalues and Eigenfunctions of a Boundary-Value Problem of Fourth Order" pdf
... Boundary Value Problems 3 The Asymptotic Formulas of Eigenvalues It follows from the classical investigations see 4, page 65 that the eigenvalues of the problem 1.1 , 1.2 in 0, consist of the ... 2 Boundary Value Problems using the obtained asymptotic formulas for eigenvalues and eigenfunctions, the basis properties of the root functions of the operators were investigated The paper is ... fundamental solutions of 1.1 and the asymptotic formulas for eigenvalues of the boundary- value problem 1.1 , 1.2 up to order O s 5 , the following result is valid 6 Boundary Value Problems Theorem...
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báo cáo hóa học:" Research Article Existence and Multiplicity of Positive Solutions of a Boundary-Value Problem for Sixth-Order ODE with Three Parameters" pdf
... spatial periodic solutions of both the EFK equation and the SH equation was studied by Peletier and Troy , Peletier and Rottsch¨ fer a , Tersian and Chaparova , and other authors More precisely, ... “Positive solutions of fourth-order boundary value problems with two parameters,” Journal of Mathematical Analysis and Applications, vol 281, no 2, pp 477–484, 2003 S Fan, The new root formula ... pp 225–230, 2003 e e S Tersian and J Chaparova, “Periodic and homoclinic solutions of extended Fisher-Kolmogorov equations,” Journal of Mathematical Analysis and Applications, vol 260, no 2, pp...
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Tài liệu CHILDREN’S HEALTH AND THE ENVIRONMENT IN EUROPE: A BASELINE ASSESSMENT doc
... notably in the area of accidents and injuries as well as other contexts With systematic maintenance and the acquisition of new data, the system will enable a first assessment to be made of the ... Belarus Armenia Bulgaria Russian Federation Bosnia and Herzegovina R U Albania Croatia Lithuania Estonia Latvia Slovakia Finland Czech Republic Austria Switzerland Netherlands Rural Urban Sweden ... the quality of the information and assessments Part II of the report summarizes basic information about the present system and planned future developments PART I ASSESSMENT OF THE SITUATION AND...
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THE FIRST EIGENVALUE OF p-LAPLACIAN SYSTEMS WITH NONLINEAR BOUNDARY CONDITIONS D. A. KANDILAKIS, M. pptx
... nonlinear partial differential equations, Mathematical Surveys and Monographs, vol 49, American Mathematical Society, Rhode Island, 1997 N M Stavrakakis and N B Zographopoulos, Bifurcation results ... properties of the principal eigenvalue are stronger than in the scalar equation case; for example the principal eigenvalue of the system is the only eigenvalue which admits a nonnegative eigenfunction ... Education at the University of the Aegean under the Project EPEAEK II-PYTHAGORAS with title “Theoretical and Numerical Study of Evolutionary and Stationary PDEs Arising as Mathematical Models in...
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Báo cáo toán học: "On the First Eigenvalue of Bipartite Graphs" ppt
... satisfies B = AA A A , and so the eigenvalues of B are those of AA⊤ ⊤ together with those of A A Using the SVD for A we see that AA⊤ has the m eigenvalues 2 2 σ1 , , σr , 0, 0, and A A ... elements of −1 The trace of (Λ2 A) ⊤ (Λ2 A) 2 is the sum of squares of the singular values of Λ2 A, which equals (σ1 (Λ2 A) )2 = σ1 σ2 in our case This trace also equals the sum of squares of the ... and A A has the n eigenvalues σ1 , , σr , 0, 0, The eigenvalues of B are therefore square roots of these numbers, and by the symmetry of the spectrum of B, the eigenvalues of B are the m +...
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Báo cáo khoa học: Critical roles of Leu99 and Leu115 at the heme distal side in auto-oxidation and the redox potential of a hemeregulated phosphodiesterase from Escherichia coli pptx
... Yokota et al Sato A, Sasakura Y, Sugiyama S, Sagami I, Shimizu T, Mizutani Y & Kitagawa T (2002) Stationary and timeresolved resonance Raman spectra of His77 and Met95 mutants of the isolated ... microseconds, and 200 ls after a flash are selected, and those of the slow phase (blue) obtained 0.2 ms, every few milliseconds and 80 ms after a flash are selected Arrows designate spectral changes ... mutants of Ec DOS N Yokota et al Fig Partial sequences of amino acids of the PAS domains of Ec DOS and other related heme-bound PAS proteins The bold amino acids represent those discussed in the...
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Báo cáo khoa học: "PEAS, the first instantiation of a comparative framework for evaluating parsers of French" potx
... for annotation is a set of texts whose nature is as diverse as possible Indeed the corpus contains excerpts from: newspapers, novels, Web pages, automatic audio transcriptions, and a set of questions ... produce the automatic fusion of all annotated data of the parsers, and then manually correct the divergent parses.' Last of all, the XML format into which we translate the parses is an open exchange ... set of candidate answers, the use of XML makes easier the selection of the paser for the task at hand Conclusion At the time of writing, we have developed all the different phases of our evaluation...
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Internal Audit 2012*: A study examining the future of internal auditing and the potential decline of a controls-centric approach docx
... risk assessment Management also sets risk appetites for the organization, manages and monitors responses to risk management issues, and provides assurance to the board as to the effectiveness of ... interviewees said consistently that the ability to conduct data analysis was an essential skill for the future Talented audit professionals able to evaluate and test internal controls, audit and assess ... pertinent issues, the CAE of a financial institution urged internal auditors to consider macro trends such as health and wellness, workforce issues, and product safety as they assess management s risk...
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Báo cáo khoa học: A possible physiological function and the tertiary structure of a 4-kDa peptide in legumes potx
... have assumed that the 4-kDa peptide and insulin may possess similar spatial arrangements of functional residues, and searched topochemical similarity in local structures between them In the case ... Finally, the cross-reacted bands were detected with alkaline phosphatase substrate (Moss, Maryland) Results and discussion Possible physiological function of the 4-kDa peptide To investigate the ... IleA2-ValA3 at the A- chain N-terminus, TyrA19 at the A- chain C-terminus, and ValB12 and TyrB16 at the B-chain central helix assume essentially the same spatial arrangements both in the locked, inactive...
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Báo cáo hóa học: " Research Article Optimum Detection of Ultrasonic Echoes Applied to the Analysis of the First Layer of a Restored Dome" pot
... own signal processing algorithms allows us a total control of the work The study was made on a : scale model of the actual dome to overcome the problems of accessibility and the danger of damaging ... information and in acoustic source location and tracking based on sensor and array signal processing He has published more than 50 papers including journals and conference contributions Addisson Salazar ... grain noise records, or for materials exhibiting regular spreading of the grains [6] It is also reasonable to assume that the presence of the interface may alter the grain noise statistics, so...
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Báo cáo hóa học: "EIGENVALUE COMPARISONS FOR BOUNDARY VALUE PROBLEMS OF THE DISCRETE BEAM EQUATION" ppt
... all the papers mentioned above, the comparison results are for the smallest eigenvalues only The purpose of this paper is to establish the existence and comparison theorems for all the eigenvalues ... Lemma 2.4 (Perron-Frobenius) Let A be a real square matrix If A is also a nonnegative irreducible matrix, then the spectral radius ρ (A) of the matrix A is a simple eigenvalue of A associated to a ... Ji: Department of Mathematics, Kennesaw State University, Kennesaw, GA 30144, USA E-mail address: jji@kennesaw.edu Bo Yang: Department of Mathematics, Kennesaw State University, Kennesaw, GA 30144,...
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Báo cáo khoa học: " Risk Factors for High Endoparasitic Burden and the Efficiency of a Single Anthelmintic Treatment of Danish Horses" doc
... estimates was based on Wald s statistics Efficiency of a single anthelmintic treatment The bivariate and the multivariate regression analyses were based on 605 horses The conceptual model was: ... pretreatment and EPG post-treatment) with standard errors (SE) and P-values from bivariate and multivariate analysis are listed Risk factors (levels) N Bivariate analysis Mean Herd type Stud farm ... Larsen et al be an indication that AR has developed Some parasites survive treatment, what facilitates selection of AR parasites (Prichard 1994) This makes it necessary to investigate the association...
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RAMIFICATION OF THE GAUSS MAP AND THE TOTAL CURVATURE OF A COMPLETE MINIMAL SURFACE
... whether we may show a relation between of the ramification of the Gauss map and the total curvature of a complete minimal surface The main purpose of this article is to give an affirmative answer for ... (C) be a nonconstant holomorphic map and q distinct hyperplanes H1 , , Hq in N −subgeneral position Assume that f has an essential singularity at ∞ in the particular case s > 0, and is ramified ... completed the Theorem Acknowledgements This work was completed during a stay of the first and the third-named authors at the Vietnam Institute for Advanced Study in Mathematics (VIASM) They would...
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Báo cáo hóa học: " On existence and uniqueness of positive solutions to a class of fractional boundary value problems" pot
... it is easily seen that the zero function satisfies Problem (2) and the uniqueness of the solution gives us x(t) = The reverse implication is obvious Caballero et al Boundary Value Problems 2011, ... together therefore, we can affirm that the contents of this paper has been prepared by all the authors: JC, JH, and KS All authors read and approved the final manuscript Competing interests The authors ... Cite this article as: Caballero et al.: On existence and uniqueness of positive solutions to a class of fractional boundary value problems Boundary Value Problems 2011 2011:25 Page of ...
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báo cáo hóa học: " On existence and uniqueness of positive solutions to a class of fractional boundary value problems" ppt
... it is easily seen that the zero function satisfies Problem (2) and the uniqueness of the solution gives us x(t) = The reverse implication is obvious Caballero et al Boundary Value Problems 2011, ... together therefore, we can affirm that the contents of this paper has been prepared by all the authors: JC, JH, and KS All authors read and approved the final manuscript Competing interests The authors ... Cite this article as: Caballero et al.: On existence and uniqueness of positive solutions to a class of fractional boundary value problems Boundary Value Problems 2011 2011:25 Page of ...
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Báo cáo hóa học: " Research Article Existence of Positive, Negative, and Sign-Changing Solutions to Discrete Boundary Value Problems" potx
... difference boundary value problem via critical point theory,” Journal of Mathematical Analysis and Applications, vol 326, no 1, pp 511–520, 2007 M Aprahamian, D Souroujon, and S Tersian, “Decreasing and ... solutions, three of which are of the same sign, iii k is odd and 1.1 has two sigh-changing solutions, iv k is odd and 1.1 has three solutions of the same sign Remark 1.4 The assumption V < λ1 in Theorem ... solutions to continuous systems and the corresponding discrete systems by employing discrete variable methods The classical results on difference BVP employs numerical analysis and features from the...
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báo cáo hóa học:" Research Article Existence and Uniqueness Results for Perturbed Neumann Boundary Value Problems" potx
... Boundary Value Problems Recently, the authors discussed second-order superlinear repulsive singular Neumann boundary value problems by using a nonlinear alternative of Leray-Schauder and Krasnosel’skii ... The same reasoning as Theorem 2.2 shows that A is general α-concave and B3 is satisfied Using Theorem 1.1, u Au x0 has a unique solution u∗ in Ph That is, u∗ is a unique positive solution of the ... Krasnosel’skii fixed-point theorem on compression and expansion of cones, and obtained the existence of at least two positive solutions under reasonable conditions In , the authors established the...
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Báo cáo sinh học: "Research Article Monotone Iterative Technique for First-Order Nonlinear Periodic Boundary Value Problems on Time Scales" ppt
... 1990 15 B Kaymakcalan, V Lakshmikantham, and S Sivasundaram, Dynamic Systems on Measure Chains, vol 370 of Mathematics and Its Applications, Kluwer Academic Publishers, Boston, Mass, USA, 1996 ... integrodifferential boundary value problems with p-Laplacian,” Boundary Value Problems, vol 2007, Article ID 57481, pages, 2007 12 R P Agarwal and M Bohner, “Basic calculus on time scales and some of its applications,” ... “Extremal solutions and Green s functions of higher order periodic boundary value problems in time scales,” Journal of Mathematical Analysis and Applications, vol 290, no 1, pp 35–54, 2004 Q Dai and...
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