... health problems and the reactions of other untrained informants to those problems We assume that, in making these assessments, the psychiatric team is aware of the possibility of error (and bias) ... it in the light of their understanding of the mental health and reporting processes which generate that information Their (approximately accurate) understanding of the relationship between the ... possible here Let cj be the residual covariance cov (Yij , Ai X i ) and σVj η be the covariance between the random component of the measurement error for observer j and the random component of educational...
Ngày tải lên: 18/02/2014, 15:20
john derbyshire - prime obsession bernhard riemann and the greatest unsolved problem in mathemati
... dormancy—of the moments of the zeta function Nor is there any mention of the Generalized Riemann Hypothesis, the Modified Generalized Riemann Hypothesis, the Extended Riemann Hypothesis, the Grand Riemann ... factors They are, to use a word mathematicians rather like, “trivial” factors The interesting factors are the others: 2, 4, 7, and 14 These are called the proper factors The number 28, therefore, ... “Introduction to the Analysis of the Infinite.” The notions of the infinite and the infinitesimal created serious problems in math during the early nineteenth century, though, and eventually they were...
Ngày tải lên: 05/06/2014, 11:08
Báo cáo hóa học: "Research Article A Hardy Inequality with Remainder Terms in the Heisenberg Group and the Weighted Eigenvalue Problem" docx
... useful properties concerning the Hardy operator (1.1), and then check the existence of solutions of the eigenvalue problem (1.2) (1 < p < Q) and the asymptotic behavior of the first eigenvalue as μ ... of the p-subelliptic operators formed by the vector field satisfying H¨ rmander’s condition was given in [1] and the C 1,α regularity o of the weak solutions of the p-sub-Laplacian ΔH,p in the ... employ the Picone identity and Harnack inequality to avoid effectively the use of the regularity The eigenvalue problems in the Euclidean space have been studied by many authors We refer to [3–11] These...
Ngày tải lên: 22/06/2014, 11:20
Báo cáo hóa học: "Research Article A Hardy Inequality with Remainder Terms in the Heisenberg Group and the Weighted Eigenvalue Problem" pot
... useful properties concerning the Hardy operator (1.1), and then check the existence of solutions of the eigenvalue problem (1.2) (1 < p < Q) and the asymptotic behavior of the first eigenvalue as μ ... of the p-subelliptic operators formed by the vector field satisfying H¨ rmander’s condition was given in [1] and the C 1,α regularity o of the weak solutions of the p-sub-Laplacian ΔH,p in the ... employ the Picone identity and Harnack inequality to avoid effectively the use of the regularity The eigenvalue problems in the Euclidean space have been studied by many authors We refer to [3–11] These...
Ngày tải lên: 22/06/2014, 11:20
SILVER NANOTECHNOLOGIES AND THE ENVIRONMENT: OLD PROBLEMS OR NEW CHALLENGES? doc
... depend upon the nature of the particle, the use of the product, the fate of the particle, the fate of the silver metal and the bioavailability and toxicity of both nanosilver and the newly added ... environment and ending with receptors and impact Policy makers use the same model, only in reverse They start with the question of whether there is an impact, then analyze the environmental pathways and ... upon the concentrations of the different negatively charged ligands and the strength of the silver ion binding with each ligand This distribution of silver between its ionic (Ag+) and its ligand-bound...
Ngày tải lên: 27/06/2014, 21:20
The WWW and The PageRank Related Problems
... estimate the size of the Web and most of them agree that there are over billions of pages Additionally, the changing rate of the Web is even more dramatic [4] According to [4], the size of the Web ... Interestingly, there is no correlation between the convergence rate of a host and the host’s size Rather, the convergence rate is primarily dependent on the extent of the nested block structure within the ... us to the Internet - the biggest network all over the world Networks are all around us, all the time From the biochemistry of our cells to the web of friendships across the planet From the circuitry...
Ngày tải lên: 26/07/2014, 08:17
Báo cáo y học: "Genomics and the bacterial species problem" potx
... only the conceptual form which forces the dialectic contradictions upon the innocent sensible reality, the remedy would seem to be simple Use concepts when they help, and drop them when they ... right in the case of bacteria too: the species problem is very much in our interactions The solution to the bacterial species problem refereed research Figure Lateral gene transfer and homologous ... Article 116 Doolittle and Papke 116.3 would then just be neutral substitutions accumulated since the last diversity-purging genomic sweep of the ecotype comment reviews reports The problem here (as...
Ngày tải lên: 14/08/2014, 17:22
NITRITE CURING OF MEAT The N-Nitrosamine Problem and Nitrite Alternatives pdf
... Italy, Russia The Netherlands, England, United States, Canada B alba Mustard (black, white, yellow brown, red) Nutmeg Southern Asia Indonesia and East Malaysia Northern Africa, Greece and other Mediterranean ... donor ligands by both electrostatic and covalent interactions, depending upon the electrondonating potential and spatial arrangement of the ligand Because these potentials vary, the energy of the ... between the iron and the 0, molecule The histidine, bonded through a nitrogen atom, feeds extra electron density into the iron and subsequently the 0, molecule This results in a strengthening of the...
Ngày tải lên: 15/03/2014, 09:20
Báo cáo khoa học: "Words and Echoes: Assessing and Mitigating the Non-Randomness Problem in Word Frequency Distribution Modeling" ppt
... However, rather than splitting the data into separate training and test sets, they evaluate the models in an extrapolation setting, where the parameters of the model are estimated on a subset of the ... sample sizes of 1, and million tokens, equivalent to 1, and times the size of the training set (we refer to these as the prediction sizes N0 , 2N0 and 3N0 , respectively) Finally, the expected vocabulary ... overestimation bias) and its asymptotic 95% confidence intervals, based on the empirical standard deviation of the ei across the 20 trials (the confidence intervals are usually somewhat larger than the actual...
Ngày tải lên: 17/03/2014, 04:20
Đề tài " Existence and minimizing properties of retrograde orbits to the three-body problem with various choices of masses " potx
... to Section and Our main theorem (Theorem 1) shows the existence of many periodic and quasi-periodic retrograde solutions to the three-body problem provided the mass ratios fall inside the white ... methods These discoveries attract much attention not only because they are not covered by classical approaches, but also due to the amusing symmetries they exhibit On the other hand, these orbits ... turns out that the actions of these orbits over one period depend only on the masses and the period, not on eccentricity From this point of view the collision-ejection orbits and other elliptical...
Ngày tải lên: 29/03/2014, 07:20
Báo cáo khoa học: "Mechanical Translation and the Problem of Multiple Meaning" pdf
... expressed by the formula of the Boussinet, then the assumption about the random force will lead, in particular, to the results of the work The physical reason of the assumption about the uncorrelativity ... complete theory, applicable for the smaller intervals of the time, assumptions were made (Ornshtein, the Kroutkov, and others, see also ) that the uncorrelated random function is not the velocity, and ... legitimate and the theory correctly describes the process, taking place in the interval of the time within the time of the relaxation (and more), then it is, nevertheless, not applicable for the examination...
Ngày tải lên: 30/03/2014, 17:20
Looking at the label and beyond: the effects of calorie labels, health consciousness, and demographics on caloric intake in restaurants
... healthfulness, etc.), and (5) menu label preference On the back of the survey, participants were presented a menu and asked which item (s) and beverage they ordered and if they ordered dessert ... to the potential (and actual) effectiveness of calorie labels in restaurants As these studies become more prevalent, one would expect the results to eventually converge on the impact of these labels; ... been the case Some studies found calorie labels significantly reduced intake while others concluded the labels had no effect These inconclusive results led us to ask: are there factors beyond the...
Ngày tải lên: 08/04/2014, 18:33
the quantum method of the inverse problem and the heisenberg xyz model
Ngày tải lên: 24/04/2014, 17:24
Báo cáo toán học: " An introduction to 2-fuzzy n-normed linear spaces and a new perspective to the Mazur-Ulam problem" docx
... investigated the Mazur–Ulam theorem in non-archimedean spaces Choy et al [20] proved the Mazur–Ulam theorem for the interior preserving mappings in linear 2-normed spaces They also proved the theorem ... conceived of the study, participated in its design and coordination, drafted the manuscript, participated in the sequence alignment, and read and approved the final manuscript Acknowledgements The authors ... gave a short and simple proof of the Mazur–Ulam theorem Chu [16] proved that the Mazur–Ulam theorem holds when X is a linear 2-normed space Chu et al [17] generalized the Mazur–Ulam theorem when...
Ngày tải lên: 20/06/2014, 21:20
Báo cáo hóa học: " Iterative algorithms for finding a common solution of system of the set of variational inclusion problems and the set of fixed point problems" potx
... 1,3 and j = 1,2,3, , N Moreover, for every n Î N, let S and Sn be the S-mappings generated (n) (n) (n) by T1, T2, , TN and a1, a2, , aN and T1, T2, , TN and α1 , α2 , , αN , respectively Then ... S and K, (3.20) and Lemma 2.3, we have that Q is nonexpansive mapping and F(Q) = F(K) F(S) (3:25) Kangtunyakarn Fixed Point Theory and Applications 2011, 2011:38 http://www.fixedpointtheoryandapplications.com/content/2011/1/38 ... algorithms for finding a common solution of system of the set of variational inclusion problems and the set of fixed point problems Fixed Point Theory and Applications 2011 2011:38 ...
Ngày tải lên: 21/06/2014, 01:20
báo cáo hóa học:" Research Article Some Krasnonsel’ski˘-Mann Algorithms and ı the Multiple-Set Split Feasibility Problem" doc
... αi M ∗ ∗ ∗ βj and ρ A A being the spectral radius of A A, and αi > for all i and βj > ρ AA j for all j They studied convergence of the algorithm 1.11 in the case where both H1 and H2 are finite ... Hilbert space and Lp and lp space for < p < ∞ In the last section, we will present the applications of the weak convergence theorems for the three variable K-M algorithms 1.13 , 1.14 , and 1.15 ... which solve the MSSFP 1.10 and which are the application of algorithms 1.13 , 1.14 , and 1.15 for solving the MSSFP These projection algorithms can also reduce to the algorithm 1.8 when the MSSFP...
Ngày tải lên: 21/06/2014, 11:20
báo cáo hóa học:" Research Article Solving the Set Equilibrium Problems Yen-Cherng Lin and Hsin-Jung Chen" pot
... 2.25 Then there is an x ∈ K which is a weak solution of (SEP)I Proof Using the technique of the proof in Theorem 2.2 and applying Theorem 2.6, we have the conclusion The following result is another ... another existence theorem for the strong solutions of SEP I We need to combine Theorem 2.6 and use the technique of the proof in Theorem 2.3 Theorem 2.8 Under the framework of Theorem 2.6, on ... because of the compactness of D Next, we claim that the family {Ω y : y ∈ K} has the finite intersection property, and then the whole intersection y∈K Ω y is nonempty and any element in the intersection...
Ngày tải lên: 21/06/2014, 11:20
ONE PARAMETER FAMILY OF LINEAR DIFFERENCE EQUATIONS AND THE STABILITY PROBLEM FOR THE NUMERICAL pdf
... (eiθ + 1) and (eiθ − 1) The stability problem for the top order family The results obtained in the previous section permit to attack the question concerning the stability problem for the k-step ... modulus and σk (z) has not roots of unit modulus Then, the assertions of the theorem follow from Remark 4.1 We are now in the position to give the main results related to the stability problem Theorem ... Theorem 3.4 and relation (2.15) the proof immediately follows We are now ready to answer the question concerning the values assumed by the polynomials ρk−1 (z) and σk (z) on the unit circle Theorem...
Ngày tải lên: 23/06/2014, 00:20
Health Problems Heat Up: CLIMATE CHANGE AND THE PUBLIC’S HEALTH doc
... thanks the reviewers for their time, expertise, and insights The opinions expressed in the report not necessarily represent the views of the individuals or the organization with which they are ... Bolivia, Bhutan, Canada, Finland, Germany, India, Japan, The Netherlands, New Zealand, Panama, Portugal, Spain, Tajikistan, Switzerland, and the United Kingdom.46 Of these, 11 countries included ... Impacts in the United States, 2009.61 * Note: This includes the state of Hawaii and U.S territories Puerto Rico, the U.S Virgin Islands, Guam, and other Pacific island territories 17 Northeast Residents...
Ngày tải lên: 29/06/2014, 02:20