melnikov apos s method for nonautonomous perturbations

... article is organized as follows In Section 2, we specify some hypotheses, precisesense of the weak solution, then we state the main results and some Lemmas that needed inthe sequel In Section ... solutions of nonlinearand degenerate problems were investigated In general, existence of solutions for a class ofnonlinear evolution equations of second order is proved by studying a full discretization.The ... licensee Springer. This is an open access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0 ), which permits unrestricted...

Ngày tải lên: 21/06/2014, 17:20

... forms of the phase function for some typical cases in both SAR and ISAR systems (1) For nonmoving targets in SAR systems and for con-stant velocity targets in ISAR systems, the phase func-tion can ... (2) So, the received signal is a 2D complex sinusoid (2) Phase function of moving targets in the SAR systems is analyzed in [1] Similar results are observed in some ISAR systems with uniform ... standard imaging techniques The proposed tech-nique is presented in Section 3 Results of simulations are given inSection 4 In both SAR and ISAR systems series of signals is transmit-ted toward radar...

Ngày tải lên: 22/06/2014, 19:20

... of synthetic peptides, a bacterial expression system allows isotope labeling, which is essential for high-resolution structural analysis of Ab using NMR spectroscopy and allows use of high specific ... requires access to specialized equipment, and is relatively expensive, especially for isotope labeling Moreover, solid-phase synthesis of Ab peptides containing radioisotopes such as 35S-Met is not ... of neurons with the same peptides caused neuritic degeneration and loss of neurons (Fig 7C), with a similar loss evident for all peptides Discussion Because extensive evidence supports a crucial...

Ngày tải lên: 18/02/2014, 13:20

... asymptotically κ-strictly pseudocontractive mappings and the class of κ-strictly pseudocontractive mappings are independent. A mapping T is said to be uniformly L-Lipschitzian if there exists a constant ... modified Mann iterative processes for this class of mappings Moreover, a strong convergence theorem was also established in a real Hilbert space by hybrid projection method They proved the following ... norm 2000 AMS Subject Classification: 47H09; 47H10 Keywords: asymptotically κ-strictly pseudocontractive mappings; demiclosedness prin-ciple; the modified Mann’s algorithm; fixed points 1 Introduction...

Ngày tải lên: 18/06/2014, 22:20

... Among various kinds of fuzzy methods, Takagi-Sugeno T-S fuzzy model provides a successful method to describe certain complex nonlinear systems using some local linear subsystems 21, 22 In ... adaptive synchronization methods for chaotic systems with unknown parameters were proposed In spite of these advances in T-S fuzzy model-based chaos control and synchronization, most works were restricted ... practically, for applications requiring oscillations out of chaos, machine and building structural stability analysis, chaos generators design and so on Chaos synchronization, first described by Fujisaka...

Ngày tải lên: 21/06/2014, 07:20

... foundations for use of these methods in future research.”For convenience and good comparison purposes, Fluid-Structure Interaction and unsteadiness are not yetconsidered in this thesis The process that ... accomplished.When flow problems involve very stiff or rigid bodies, continuous forcing is likely to cause trouble sincemost methods give rise to ”stiff” numerical systems Satisfactory results have ... first IBMs [21] His methodsolves the Navier-Stokes equations for the fluid on a stationary cartesian grid, while the immersed boundary is represented by a set of elastic fibres whose location is...

Ngày tải lên: 11/07/2014, 23:20

... solution; see [16] These are our standing assumptions for the remainder ofthis section Let us start with some useful well-known results We include the proofs for the convenience Trang 7Proof (i) Since ... remains to be shown is the uniqueness of this solution We consider two cases In the first case, we assume that Tm i=1(Ω ∩ Ωi) contains exactly one point ¯x Observethat DF(¯x) = 0 and DF(x) ≥ 0 for ... algorithm; Nesterov’s ated gradient method; generalized Sylvester problem. acceler-AMS subject classifications 49J52, 49J53, 90C31. The smallest enclosing circle problem can be stated as follows: Given...

Ngày tải lên: 14/10/2015, 08:03

... discussed, a farm work-based strategy is found to be far less lucrative than a strategy diversifying or specializing in formal paid jobs or business operations The discussion above suggests that ... household livelihood strategies in Hanoi's sub-urban areas? This paper is structured as follows: the next section describes the background of the case study Data and methods are discussed in Section ... be used as a premise for household businesses such as opening a shop, a workshop, or for rental accommodation This suggests that đất dịch vụ can be a crucial livelihood asset for land-losing...

Ngày tải lên: 18/12/2017, 16:49

... at a constant frequency, its steady-state response can be suppressed by attaching a secondary mass-spring system or DVA Design of DVA is a classical topic [8-12] The first analysis was reported ... desired response The dynamic vibration absorber (DVA) or tuned-mass damper (TMD) is a widely used passive vibration control device When a mass-spring system, referred to as primary system, is subjected ... Taguchi’s method for the product design process may be divided into three stages: system design, parameter design, and tolerance design [1-7] Taguchi’s method of parameter design is successfully...

Ngày tải lên: 03/03/2020, 21:07

... 4Man's Search for MeaningPsychotherapy and Existentialism The Unconscious God The Unheard Cry for Meaning Published by WASHINGTON SQUARE PRESS Most Washington Square Press Books are available at special ... andunconscious motives Frankl distinguishes severalforms of neurosis, and traces some of them (thenoögenic neuroses) to the failure of the sufferer to findmeaning and a sense of responsibility in his ... to miss it For success,like happiness, cannot be pursued; it must ensue, and it only does so as the unintended side-effect of one'spersonal dedication to a cause greater than oneself or as the...

Ngày tải lên: 07/11/2012, 14:03

... parameters for assessment isnecessary Among the various criteria and models for translation qualityassessment, House’s model is chosen in this study because it is deemed to have acomprehensive set ... different views on equivalence will be discussed but thereshall be no separate discussion of translation assessment; instead, it is implied thatassessment of a translation is based on the respective ... linguistic features of Vietnamese and English legal languages The second part discusses different aspects of translation: definition,methods and strategies, and equivalence and assessment Basic...

Ngày tải lên: 07/11/2012, 14:36

... heterogeneous multitude of systems and standards Moreover, this excess of wireless communication systems is not limited to cellular mobile telecommunication systems, such as GSM, Interim Standard-95 (IS- ... wireless systems for mobile and fixed applications, such as Mobile Broadband Wireless Access (MBWA), Wireless Metropolitan Area Networks (WMANs), and proposed next generation cellular systems, as ... is also given in this chapter Chapters 4 and 5 consist of the simulation results and discussions for different modules of the OFDM system In Chapter 4, a detailed OFDM system based on pilot signals...

Ngày tải lên: 26/05/2013, 21:28

... name(for the 4th) is also used .i.e G7susC Sus 4 may also be called (natural) 11th.The root is on the same string as the sus 4 form For example in the aboveexercise you may substitute symbols "G11" ... harmonic structures and it is not ex-pected (nor is it possible) that you play all degrees at all times Ofcourse you should try to play as close as possible to the writtensequences, but actually simplification ... it is consider-ably more important to give the student as much music to play as possible.(The most common and necessary terms and markings are, of course, usedand explained If further information...

Ngày tải lên: 16/08/2013, 08:28

... FINGER(S) BETWEEN MOST FORMS)Trang 20Make the upstroke sound as much like the downstroke as possible byfavoring the lower strings with the returning upstroke of the pick There will be a slight ... on beats 2 and 4 because of the downstroke hitting the heavy strings first - but this is good, as it is comparable to the drummers use of the hi-hat cymbal on these beats. Trang 22(G Maj Ascending)Trang ... techniques (physical and theoretical) to something already learned. pos-All music is again original and has been created especially for the tation and perfection of the lesson material. presen-Please...

Ngày tải lên: 16/08/2013, 08:28

... cooling systems, has led in recent years to the substitution of these devices in the industry by less-efficient systems, like the case of cooling towers or evaporative condensers substituted ... such as legionnaire’s disease, which force to assure a due maintenance and cleanness of the systems, avoiding sweeping away drops of water from the cooling system Thus, humidifiers from wet surface ... indirect systems, or combining these two types in various stages (mixed systems) [8] 4.1 Direct evaporative cooling systems In direct systems, water evaporates directly in the air stream, producing...

Ngày tải lên: 05/09/2013, 16:10

... 6 Solar insolation level versus transformer voltage calibration results 4 Results and discussions 4.1 Light unevenness The solar simulator steady state light is essential for reliable measurements ... manifolds and heat tubes assembly An expansion vessel was also incorporated into system in order to prevent the possibility of system damage due to an increase in pressure The vessel has two halves: ... the unevenness at most points was found to be less than 15%, as shown in Figure 9 This is compatible with the British Standards values for testing a solar simulator The simulator was tested under...

Ngày tải lên: 05/09/2013, 16:10

... English class today? Today we have English class at Trang 7at Number 5 What do you often do after school? om Trang 9at Number 7 What do you study in Literature class? We study about stories, ... poems and how to write essays om Trang 10 at Number 8 LUCKY NUMBER Trang 12Listen and find out the answer: Which activity is the most popular activity at recess? Talking Trang 13 What is ... doing? He is playing blindman’s bluff What are the girls doing? They are skipping rope Trang 20In pairs, ask and answer: 1/ What do you usually do at recess? 2/ Do you usually talk...

Ngày tải lên: 29/09/2013, 08:10

... windows and possibly injure themselves.< Opening, closing > Press the switch until the pressure point is felt: The window is opened for as long as you press the switch > Press the switch ... themselves.< Raising Press the switch If the glass roof is closed, it is raised and the sliding trim opens slightly Do not close the sliding trim forcibly with the roof in the raised position, ... Push the switch back as far as the pressure point The sliding trim opens for as long as you hold the switch in this position > Briefly press the switch back beyond the pressure point The sliding...

Ngày tải lên: 25/12/2013, 22:16

... enclosures is 2 x 10719 The boxes are denoted by +. Trang 7Advantages e We enclose point solutions: Taylor series + remainder term e The method does not impose restrictions on the size of the ... on each step such that the parallelepiped specified by them encloses the solution set e How to achieve small overestimations and reduce the wrapping effect. Trang 9y(t; to, Yo) € [yo] for all ... larger sets, a combination of the parallelepiped and QR-factorization methods may be necessary e When to switch from one method to the other? e An eigenvalue, or stability type analysis of...

Ngày tải lên: 12/01/2014, 22:02

... controllers For nonlinear systems, robustness analysis with respect to uncertain initial states and parameters can be performed by calculating enclosures of all reachable states These results have ... lets instable systems seem stable or vice versa Validated techniques, in contrast, are able to determine guaranteed enclosures of the exact solutions of IVPs even if the state equations are discretized ... time-domain specifications of the desired system behavior expressing all limitations of state variables, especially if the dynamical behavior of safety-critical systems is analyzed On the one hand, for...

Ngày tải lên: 12/01/2014, 22:04