subsets of positive reach
Báo cáo khoa học: "The role of positive feedback in Intelligent Tutoring Systems" ppt
... effect of positive feedback is positive, but the effect of negative feedback is nega-tive, as can be seen by the sign of the β value.4 A tutoring system for linked listsA new ITS in the domain of ... following defi-nition of student activity has been adopted:student activity =# of turns − # of short turnssession lengthTurns are the sequences of uninterrupted speech of the student. Short ... might be the educational value of positive feedback in ITSs? First of all, positive feedbackmay be an effective motivational technique (Lepperet al., 1997). Positive feedback can also have...
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THE POWER OF POSITIVE THINKING
... Series:The Power of Positive Thinking4The Power of Positive ThinkingYou have probably had someone tell you to think positive when you were in a tryingsituation. That is because the power of positive ... not positive. That iswhy part of positive thinking involves positive body language. Positive Thinking's Biggest ThreatYou may believe, after reading this far, that negative thoughts are positive ... and you can change your life through the power of positive thinking.Self Improvement Buff Series:The Power of Positive Thinking1The Power of Positive ThinkingBrought to You ByFREE-EBOOKS-CANADAYou...
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The power of positive thinking
... are in harmony with it. There is a rhythm of the stove, a rhythm of the typewriter, a rhythm of the office, a rhythm of an automobile, a rhythm of your job. So to avoid tiredness and to have ... expectancy of several active years before he reached the age of retirement. The businessman above referred to asked the professor to come to his office and announced to him that the board of trustees ... assembling of parts according to the law of God. When you love a machine and get to know it, you will be aware that it has a rhythm. It is one with the rhythm of the body, of the nerves, of the...
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the amazing results of positive thinking-mantesh
... things which took place in the lives of thousands of people when they applied the principles of dynamic change. Since publication of The Power of Positive Thinking, a book which teaches ... another job. This is exactly the kind of situation where positive think-ing can do its best. One day, Bill dug out an old copy of The Power of Positive Thinking, and read it through. ... people to men of positive strength. Although the life-changing power of positive thinking is available to all, some people experience difficulty in making it work. This is because of some strange...
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handbook of positive psychology mar 2005
... theexistence of organized religions and theirchurches cannot be taken as proof of the exis-tence of God, the existence of the mental healthprofessions and their clinics is not proof of theexistence of ... Agingand Professor of Psychology, Department of Psychology, University of Wisconsin, Madi-sonPETER SALOVEY, Professor of Psychologyand of Epidemiology and Public Health, De-partment of Psychology, ... De-partment of Psychology, State University of New York at BuffaloJAMES W.PENNEBAKER, Professor, Depart-ment of Psychology, University of TexasCHRISTOPHER PETERSON, Professor of Psy-chology...
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Báo cáo hóa học: " Prognostic impact of ZAP-70 expression in chronic lymphocytic leukemia: mean fluorescence intensity T/B ratio versus percentage of positive cells" pot
... with the T-method utilizing the standard cut-off of 20% positive cells, as well as with the T/B Ratio-method; in the latter case, the cut-off of 3.0 identified inthe test set was chosen.According ... cases marked as ZAP-70 positive, can theoreti-cally represent the result of a high expression level of ZAP-70 in the CLL component, but also of a low expres-sion level of ZAP-70 by residual ... reports by our groups[19,20] Flow cytometric analyses of CD38 and CD49dwere done as previously described [18], using the cut-offpoint of 30% of positive cells for both markers[18,21-23]. Patients...
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Báo cáo toán học: " Existence of positive solutions to discrete secondorder boundary value problems with indefinite weight" pptx
... structure of the set o f positive solutions of (1.1), (1.2), and obtain the existence of positive solutions of (1.1) and (1.2). More-over, we can also obtain the existence of negative solutions of ... isacharacteristicvalueofT if there exists v Î E, v ≠ 0, such that v =μTv,i.e.,μ-1is a nonz ero eigenvalue of T. Let r(T) denote the set of real characte risticvalues of T and Γ denote the closure of the set of ... definition of a positive solution and a negative solution of (1.1) and(1.2).Definition 1.1. A positive solution of problem (1.1) and (1.2) refers to a pair (r, u),where r ≠ 0, u is a solution of (1.1)...
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Báo cáo toán học: " Existence of Positive Solutions for Nonlinear m-point Boundary Value Problems on Time Scales" doc
... value problems of ordinary differential equations (BVPs for short)arise in a variety of different areas of applied mathematics and physics. For example, thevibrations of a guy wire of a uniform ... Lian1and Weigao Ge21School of Mathematics and Physics, China University of Geosciences, Beijing 100083, P.R. China2Department of Mathematics, Beijing Institute of Technology, Beijing 100081, ... and composed of N parts of differentdensities can be set up as a multi-point boundary value problem [3]. Many problems in thetheory of elastic stability can be handled by the method of multi-point...
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Báo cáo toán học: " Nonexistence of positive solutions of an integral system with weights" pdf
... Classification of solutions for an integral equation. Comm. PureAppl. Math. 59, 330–343 (2006)Nonexistence of positive solutions of an integral system with weightsZhengce ZhangSchool of Mathematics ... Mitidieri, E: Positive solutions of semilinear elliptic systems.Comm. Partial Diff. Equ. 17, 923–940 (1992)[5] Peletier, LA, Van der Vorst, RCAM: Existence and nonexistence of positive solutions of non-linear ... someassumptions of p, q, α, and β. Furthermore, using Doubling Lemma indicated in [14],which is an extension of an idea of Hu [15], Chen and Li [16, Theorem 4.3] obtained thenonexistence of positive...
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Báo cáo toán học: " Nonexistence of positive solutions of an integral system with weights" docx
... symmetry of solutions of (1.1) onthe hyperbola (1.3). For ξ = η = 0 and max{1, 2/(N − 2)} < p, q < ∞, Chen andLi [16, Theorem 4.3] obtained the nonexistence of positive solutions of (1.1) ... Mitidieri, E: Positive solutions of semilinear elliptic systems.Comm. Partial Diff. Equ. 17, 923–940 (1992)[5] Peletier, LA, Van der Vorst, RCAM: Existence and nonexistence of positive solutions of non-linear ... someassumptions of p, q, α, and β. Furthermore, using Doubling Lemma indicated in [14],which is an extension of an idea of Hu [15], Chen and Li [16, Theorem 4.3] obtained thenonexistence of positive...
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Báo cáo hóa học: " Uniqueness of positive solutions to a class of semilinear elliptic equations" potx
... uniqueness of nonnegative solutions of quasilinear equations in Rn. AdvMath. 118, 177–243 (1996). doi:10.1006/aima.1996.002111. Ma, R, An, Y: Uniqueness of positive solutions of a class of O.D.E. ... Kwong, MK: Uniqueness of positive solutions of Δu-u + up=0inRn. Arch Ration Mech Anal. 105, 243–266 (1989)3. Erbe, L, Tang, M: Uniqueness of positive radial solutions of Δ u+K(|x|)γ(u) = 0. ... appropriate valuer, the same proof can be reapplied as often as necessary to give uniqueness of any con-tinuation of the solution whose values lie in (a, b ). The proof is complete.3 UniquenessTheorem...
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Báo cáo hóa học: " On existence and uniqueness of positive solutions to a class of fractional boundary value problems" pot
... 2011:25http://www.boundaryvalueproblems.com/content/2011/1/25Page 2 of 9In the sequel, we present a sufficient condition for the existence and uniqueness of posit ive solutions for Problem (2) (positive solution means x(t)>0fort Î (0,1)).Theproof of this ... (0,1)).Theproof of this condi tion is similar to the proof of Theorem 2.3 of [23]. We present thisproof for completeness.Theorem 4. Under assumptions of Theorem 3 and suppose that f( t0,0)≠ 0 for ... 2011:25http://www.boundaryvalueproblems.com/content/2011/1/25Page 8 of 9RESEA R C H Open AccessOn existence and uniqueness of positive solutions to a class of fractional boundary valueproblemsJ Caballero*,...
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Báo cáo hóa học: "Existence of positive solutions for nonlocal second-order boundary value problem with variable parameter in Banach spaces" doc
... People’sRepublic of ChinaAbstractBy obtaining intervals of the parameter l, this article investigates the existence of a positive solution for a class of nonlinear boundary value problems of second-orderdifferential ... case of main results of this study, let us make use of the following lemmas.Lemma 2.1 Assume that (H) holds, then x is a nonnegative solution of (1.1) i f andonly if x is a fixed point of the ... Banach space with norm || · || and P ⊂E be a cone of E. The purpose of this article is to i nvestigate the existence of po sitive solutions of the fo llowing sec-ond-order integral boundary...
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báo cáo hóa học: " On existence and uniqueness of positive solutions to a class of fractional boundary value problems" ppt
... 2011:25http://www.boundaryvalueproblems.com/content/2011/1/25Page 2 of 9In the sequel, we present a sufficient condition for the existence and uniqueness of posit ive solutions for Problem (2) (positive solution means x(t)>0fort Î (0,1)).Theproof of this ... (0,1)).Theproof of this condi tion is similar to the proof of Theorem 2.3 of [23]. We present thisproof for completeness.Theorem 4. Under assumptions of Theorem 3 and suppose that f( t0,0)≠ 0 for ... 2011:25http://www.boundaryvalueproblems.com/content/2011/1/25Page 8 of 9andtheyprovedtheexistenceofpositivesolutionsbymeansoftheKrasnosel’skiifixed-point theorem and Legget-Williams fixed-point...
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Báo cáo hóa học: " Existence of positive solutions to periodic boundary value problems with sign-changing Green’s function" ppt
... changes sign. The existence result of positive solutions is established by usingthe fixed point index theory of cone mapping.Keywords: periodic boundary value problem, positive solution, sign-changingGreen’s ... Multiplicity of positive periodic solutions to supperlinear repulsive singular equations. J DifferEqu. 210, 282–320 (2005)4. Torres, PJ: Existence of one-signed periodic solutions of some second-order ... AccessExistence of positive solutions to periodicboundary value problems with sign-changingGreen’s functionShengren Zhong1and Yukun An2** Correspondence: anykna@nuaa.edu.cn2Department of Mathematics,Nanjing...
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