Báo cáo toán học: "Exact sequences for K-groups and Ext-groups of certain cross-product C*-algebras " pot
Báo cáo hóa học: " Generalized conditions for starlikeness and convexity of certain analytic functions" doc
... conditions for starlikeness and convexity.Turk J Math. 34, 333–337 (2010)doi:10.1186/1029-242X-2011-87Cite this article as: Uyanik and Owa: Generalized conditions for starlikeness and convexity of certain ... springeropen.comUyanik and Owa Journal of Inequalities and Applications 2011, 2011:87http://www.journalofinequalitiesandapplications.com/content/2011/1/87Page 6 of 6 for some j(j = 3, 4, 5, ... −1)f(k−1)(0).(3:8)Uyanik and Owa Journal of Inequalities and Applications 2011, 2011:87http://www.journalofinequalitiesandapplications.com/content/2011/1/87Page 4 of 6|f(k−1)(z)| =z0f(k)(t...
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Báo cáo toán học: " General decay for a wave equation of Kirchhoff type with a boundary control of memory type" pdf
... tension and f the external force. Kirchhoff [1] was the first one whointroduced (1.5) to study the oscillations of stretched strings and plates, so that (1.5) iscalled the wave equation of Kirchhoff ... the existence and uniform decay of strong solutions of wave equation (1.1)with a nonlinear boundary damping of memory type and a nonlinear boundary sourcewhen l(t) = 0. Cavalcanti and Guesmia ... dx(3:14) for all t ≥ t0, where a =min{2θ,1-θ } and ciare positive constants given in theproof, i =4,5.Proof. First, we are going to estimate the derivative of ψ(t). From (3.9) and usingEquation...
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Báo cáo toán học: " Generalized Models for high-throughput analysis of uncer- tain nonlinear systems" ppt
... method for the analysis of uncertain models, e.g. in biological research.Methods — Generalized modeling for conceptual analysis of large classes of models.Results — Local dynamics of uncertain ... reveals boundaries of stability, valid for a class of models and robust against uncertainties inspecific models• avoids expensive numerical approximation of steady states and can be scaled to ... class of systems described by (1) and ask which of thosestates are stable equilibria. For this purpose denotean arbitrary positive steady state of the system byX∗, i.e. X∗is a placeholder for...
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Báo cáo khoa học: "Dynamic programming for parsing and estimation of stochastic unification-based grammars∗" pot
... modelalgorithms for maximising and summing products of functions of the kind presented above. It turnsout that the algorithm for maximisation is a gener-alisation of the Viterbi algorithm for HMMs, and the ... parses of y. In the gram-mars of interest here Ω(y) and hence also F(y) arefinite.Maxwell and Kaplan’s packed representations of- ten provide a more compact representation of theset of parses of ... generalization of HMM dynamicprogramming with minimal assumptions and pro-gramming overhead. However, in principle any of the set of parses of a string y and F(y) is the set of features appearing...
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báo cáo sinh học:" Human resources for health and burden of disease: an econometric approach" docx
... findings of the study have implications notonly for health and health policy, but also for research.They represent supporting evidence of the importance of health workers for health, and therefore ... role of the human resources for health in terms of the management and delivery of health services, espe-cially considering that they account for an importantpart of the health budgets in most of ... between the human resources for health (e.g. density of doctors, density of health workers, and density of nurses and midwives) and the health out-comes (e.g. maternal, infant and under-five mortalityrate,...
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Báo cáo khoa học: "Exact Decoding for Jointly Labeling and Chunking Sequences" pot
... set of 8936 sentences and a test set of 2012 sentences. For the training, we used the first 447 sentences fromthe standard training set, and our evaluation wasdone on the standard test set of ... score;end for end for end for end for end for end for score := 0; for each C in chunktagsif (chunktable[index end][C] >= score)score := chunktable[index end][C];lastsymbol := C;end for return ... known for its performance (Sha and Pereira,2003).The voted perceptron we use is the adaptation of (Freund and Schapire, 1999) to the structured set-ting. Algorithm 4.1 shows the pseudo code for...
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Báo cáo toán học: " Spectrum sensing for cognitive radio exploiting spectrum discontinuities detection" potx
... locations and power spectral densities of the subbands. Along this line, a cou-ple of wideband spectrum sensing techniques are developed based on the local maxima of the wavelet transform modulus and ... the comparison in terms of Probability of Detection versus SNRbetween the ED (ED) and the three first algebraic detectors:(AD1) (AD2) and (AD3), for PF= 0.05 and SNR ranging in −40 to ... the complexity of the two techniques. For simulation results, the choice of the DVB-T PU system is justified by the factthat most of the PU systems utilize the OFDM modulation format [18]. The...
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Báo cáo toán học: " Resource reservation for mobile hotspots in vehicular environments with cellular/WLAN interworking" ppt
... intensive bandwidth demands of video traffic, it is essentially important to reservebandwidth in advance for handoff traffic so as to minimize service interruptions. In order to estimatebandwidth ... effectively evaluate video performance in terms of data loss rate and packet delay. To satisfyvideo QoS constraints, we can derive the bandwidth to be reserved for handover. Our performanceevaluation ... self-similar traffic and estimate data loss rate and packet delay.According to the performance evaluation, we can derive the required channel bandwidth for such a mobilehotspot. Numerical results...
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Báo cáo toán học: " Resource Allocation for Asymmetric Multi-Way Relay Communication over Orthogonal Channels" potx
... fol-lows from the left hand side of (17) for C(γiR) = C.The first argument of the minimum in (19) followsfrom the right hand side of (17) for C(γRi) = C + δ.The second argument of the minimum in ... communication of common information between several terminals with the help of a relay as it is for example required for a video conference. The transmissions of the nodes are divided in time and there ... The allocation of the transmission time and of the rates in alldirections can be asymmetric. We derive a closed form expression of the optimal time allocation for a given ratio of the rates in...
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Báo cáo toán học: " Decision making for cognitive radio equipment: analysis of the first 10 years of exploration" potx
... problem of decision making in the context of sensing errors isclearly formalized and the impact of such errors on the considered learning algorithm’s performance isquantified.5.1. An example of ... communicate and to converge towards the most available band in spite of the sensing errors it is suffering.5.2. The impact of observation error and uncertainty on decision makingAnalyzing the impact of ... context of sensing errorsAs illustrated through the notion of basic cognitive cycle, decision making, and learning rely on priorobservations of the environment. Consequently, the performance of...
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