... of Π is at least i=1 Suppose L is a number field with [L : Q] = with Galois group G and DL < X Minkowski’s theorem implies there exists x ∈ OL with TrL (x) = Q and ||x|| X 1/10 ; here ||x|| is ... L/K is a Galois extension with GL/K ∼ G and NK DL/K = Q < X Fixing an isomorphism of GL/K with G, let M be the subfield of L fixed K by H Then M/K is a Galois extension with Galois group Q and NQ ... the set of all r-tuples of nonnegative integers with sum at most 4c, and consider the map FΣ : (An )r → Spec RΣ By Proposition 2.5, to every field L with [L : K] = n we can associate an r-tuple...
Ngày tải lên: 06/03/2014, 08:21
... Theory and Applied Probability 5(1) (1990) Zhang, DC: Solution of linear prediction problems with fixed transformation in stationary stochastic processes Journal of Huazhong University of Science ... doi:10.1186/1029-242X-2011-68 Cite this article as: Li: On general filtering problem of stationary processes with fixed transformation Journal of Inequalities and Applications 2011 2011:68 Submit your manuscript ... filtering problem Then, in the space of L2(FX (dl)), we get the spectral characteristics of PHη (t) ξ with no any additional conditions Finally, we calculate the value of the best predict quantity of...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo toán học: "Vertex subsets with minimal width and dual width in Q-polynomial distance-regular graphs" docx
... distance-regular with diameter d d and is Q-polynomial with respect to the ordering {Ei }i=0 Unless otherwise stated, Y will denote a nontrivial descendent of Γ with width w and dual width w ∗ = ... descend dent of a halved graph of Γ with width w, then Y ∩ Γd is a descendent of Γ2 with width d w, provided that it is nonempty Proof Note that Y ∩ Γd has width at most w in Γ2 , and that the ... with diameter d has at most one ρ-descendent with diameter d′ up to affine isomorphism Conversely, if d′ then a Leonard system with diameter d′ is a ρ-descendent of at most one Leonard system with...
Ngày tải lên: 08/08/2014, 14:23
Matrix completion models with fixed basis coefficients and rank regularized problems with hard constraints
... +ε)−log(ε) with ε = 0.1 130 4.3 Frequency of success for different surrogate functions with different ε > compared with the nuclear norm 149 4.4 Comparison of log functions with different ... the set of all n × k real matrices with orthonormal columns, and for the complex case, On×k denotes the set of all n × k complex matrices with orthonormal columns When k = n, we write On×k as ... low-rank doubly stochastic matrix without noise 160 4.5 Comparison of NN, ASNN1 and ASNN2 with observations generated from a random low-rank doubly stochastic matrix with 10% noise 161 4.6 Comparison...
Ngày tải lên: 10/09/2015, 09:12
Global Strength Assessment Requirement of Ageing Fixed Offshore Structure with Joint Anomalies
... Global Strength Requirement of Ageing Fixed Offshore Structure with Joint Anomalies INTRODUCTION To date, there are increasing numbers of ageing fixed offshore structure worldwide as well ... that the platform has adequate strength and stability to withstand the specified loading criteria with the identified joint anomalies, but without collapse Failure of the platform is caused either ... twelve loading directions are analysed, with an equal spacing of 30o from each other (Figure 2) Global Strength Requirement of Ageing Fixed Offshore Structure with Joint Anomalies PN TN 60.0o Figure...
Ngày tải lên: 01/04/2013, 22:44
Tài liệu On Fixed-Price Marketing for Goods with Positive Network Externalities doc
... specifically, we consider the graph model with concave influence in which each buyer i ∈ V is associated with a non-negative, non-decreasing, concave function fi : R+ → R+ with fi (0) = The value of the ... adoption of goods with network externalities [2, 4, 6, 10, 14, 18] For instance, Carbal, Salant, and Woroch [4] show that in a social network the seller might decide to start with low introductory ... -approximation algorithm for the optimal fixed-price marketing problem with positive network externalities in the graph model with concave influence It is worth noting that, although we prove our...
Ngày tải lên: 19/02/2014, 03:20
Đề tài " Propagation of singularities for the wave equation on manifolds with corners " ppt
... is a manifold with corners, X ◦ denotes its interior, which is thus a C ∞ manifold (without boundary) Returning to the wave equation, let M be a manifold with corners equipped with a smooth Riemannian ... accessible reference Thus, a tied (or t-) manifold with corners X of dimension n is a paracompact Hausdorff topological space with a C ∞ structure with corners The latter simply means that the local ... manifolds with corners ´ By Andras Vasy* Abstract In this paper we describe the propagation of C ∞ and Sobolev singularities for the wave equation on C ∞ manifolds with corners M equipped with a...
Ngày tải lên: 15/03/2014, 09:20
Báo cáo khóa học: Identification of domains on the extrinsic 23 kDa protein possibly involved in electrostatic interaction with the extrinsic 33 kDa protein in spinach photosystem II ppt
... binding with the 33 kDa protein associated with PSII membranes Next, we attempted to identify the lysyl residues on the 23 kDa protein modified with NSP Both of the modified 23 kDa proteins treated with ... performed with ˚ homobifunctional cross-linkers (6–14 A span) indicated ˚ that the 33 kDa protein is within a distance of 11 A of the 23 kDa protein and that the 23 kDa protein is within ˚ 11 ... for its binding with the 33 kDa protein In the present study, the domains on the 23 kDa protein possibly involved in electrostatic interaction with the 33 kDa protein associated with PSII membranes...
Ngày tải lên: 23/03/2014, 12:20
báo cáo hóa học: " Too much or too little step width variability is associated with a fall history in older persons who walk at or near normal gait speed" pdf
... step width to maintain their balance On closer inspection of the raw gait data of individuals who vary their step width a lot (i.e individuals with high step width variability), high step width ... of the sample in regards to step width variability The classification of step width variability was collapsed into three groups: low step width variability (step width variability CV < 7%; lowest ... 7%; lowest 5% of sample), moderate step width variability (step width variability CV = 7–30%; middle 90% of sample), and high step width variability (step width variability CV > 30%; highest 5%...
Ngày tải lên: 19/06/2014, 10:20
Báo cáo toán học: " On generalized weakly directional contractions and approximate fixed point property with applications" potx
... 719–724 (2008) [12] Berinde, V, P˘curar, M: Fixed points and continuity of almost contractions Fixed Point Theory a 9, 23–34 (2008) [13] Du, W-S: Fixed point theorems for generalized Hausdorff ... spaces Fixed Point Theory and Applications, 2010, Article ID 876372, (2010) doi:10.1155/2010/876372 [16] Du, W-S: Nonlinear Contractive Conditions for Coupled Cone Fixed Point Theorems Fixed Point ... Uderzo, A: Fixed points for directional multi-valued k(·)-contractions J Global Optim 31, 455–469 (2005) [24] Frigon, M: Fixed point results for multivalued maps in metric spaces with generalized...
Ngày tải lên: 20/06/2014, 20:20
Báo cáo toán học: " Nonlinear coupled fixed point theorems in ordered generalized metric spaces with integral type" potx
... with F Assume that there exist non-negative real numbers a, b with a + b ∈ [0, 1) such that G(F (x, y), F (u, v), F (w, z)) ≤ a G(gx, gu, gw) + b G(gy, gv, gz) for all x, y, u, v, w, z ∈ X with ... X with w ≤ u ≤ x and y ≤ v ≤ z If there exist x0 , y0 ∈ X such that x0 ≤ F (x0 , y0 ) and F (y0 , x0 ) ≤ y0 , then F has a coupled fixed point Now, we derive coupled coincidence point results without ... g commutes with F Assume that there exist α ∈ Λ and k ∈ [0, 1) such that G(F (x,y),F (u,v),F (w,z)) max{G(gx,gu,gw),G(gy,gv,gz)} α(s) ds ≤ k α(s) ds for all x, y, u, v, w, z ∈ X with gw ≤ gu...
Ngày tải lên: 20/06/2014, 20:20
Báo cáo toán học: " Random approximation with weak contraction random operators and a random fixed point theorem for nonexpansive random self-mappings" pptx
... sequentially continuous, if for each {xn } ⊂ X with xn x, then J(xn ) ∗ J(x) Recall that a Banach space X is said to satisfy Opial s condition if, for any {xn } ⊂ X with xn x, the following inequality holds: ... < lim inf xn − y n→∞ n→∞ for y ∈ X with y = x It is well known that the above inequality is equivalent to lim sup xn − x < lim sup xn − y n→∞ n→∞ for y ∈ X with y = x It is well known that all ... {ξtn (ω)} ⊂ ξ ∗ (ω) (n → ∞) for each ω ∈ Ω Taken together {ξt (ω)} such that ξtn (ω) with Banach space X with a weakly sequentially continuous duality mapping satisfying Opial’s condition [16,...
Ngày tải lên: 20/06/2014, 21:20
Báo cáo toán học: " Fixed point theorems for mappings with condition (B)" pot
... 1] with an +bn +cn = and an + bn + cn = 1, and {un } and {vn } are bounded sequences in C Motivated by the above studies, we consider an Ishikawa iteration method with errors for mapping with ... mapping T with condition (C) by the Ishikawa iteration method on uniform convex Banach space with Opal property Here, we also consider the Ishikawa iteration method for a mapping T with condition ... mappings with condition (B) Theorem 3.1 Let C be a nonempty closed convex subset of a real Hilbert space H, and let T : C → C be a mapping with condition (B) Let {xn } be a sequence in C with xn...
Ngày tải lên: 20/06/2014, 21:20
Báo cáo hóa học: " New criteria for stability of neutral differential equations with variable delays by fixed points method" docx
... Therefore, Q is a contraction mapping with contraction constant a
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Some fixed point-type results for a class of extended cyclic self-mappings with a more general contractive condition" pdf
... reduces to a unique fixed point allocated within the intersection of all such subsets Main results for non-cyclic self-mappings Let (X, d) be a metric space for a metric d: X × X ® R0+ with a self-mapping ... the sequence is a fixed point n→∞ n→∞ The uniqueness of the fixed point is now proven (i.e z is not dependent on of x) by contradiction Assume that there exists two distinct fixed points y = Ty ... Sen and Agarwal Fixed Point Theory and Applications 2011, 2011:59 http://www.fixedpointtheoryandapplications.com/content/2011/1/59 Page 10 of 14 Proof: To keep a coherent treatment with the previous...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " FGF-23 and PTH levels in patients with acute kidney injury: A cross-sectional case series study" potx
... patients with AKI due to causes other than rhabdomyolysis have elevated FGF-23 levels compared with critically ill controls Among patients with AKI, elevated FGF-23 levels were associated with an ... five patients had Stage III AKI Four of 12 (33%) of the AKI subjects were treated with dialysis Subjects with and without AKI had mean ionized calcium levels of 1.19 ± 0.1 mmol/L and 1.15 ± 0.08, ... in critically ill AKI cases compared with critically ill non-AKI subjects, with a median FGF-23 level of 1948 RU/mL (IQR, 4374369) in AKI cases compared with 252 RU/mL (IQR, 65-533) in critically...
Ngày tải lên: 21/06/2014, 03:20
Báo cáo hóa học: " Research Article About Robust Stability of Caputo Linear Fractional Dynamic Systems with Time Delays through Fixed Point Theory" pot
... system of order α with r delays: α D0 x t : Γ k−α r t Ai t x t − ri i r Ai x t − ri i xk τ dτ t − τ α 1−k B tu t r i Ai t x t − ri 2.1 B tu t , Fixed Point Theory and Applications with k − < α ∈ ... integer numbers, respectively Fixed Point Theory and Applications R and Z are the sets of positive real and integer numbers, respectively, C is the set of complex numbers with positive real part C0 ... i−1 dom, codom and with the ith derivative is bounded piecewise continuous, respectively, piecewise continuous in the definition domain Caputo Fractional Linear Dynamic Systems with Point Constant...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Research Article Fixed-Point Results for Generalized Contractions on Ordered Gauge Spaces with Applications" pdf
... relevances,” Fixed Point Theory, vol 9, no 2, pp 541–559, 2008 14 I A Rus, A Petrusel, and G Petrusel, Fixed Point Theory, Cluj University Press, Cluj-Napoca, ¸ ¸ Romania, 2008 10 Fixed Point ... 1, such that |K t, s, u − K t, s, v | ≤ ϕ |u − v| , → Ê , with ϕ λt ≤ λϕ t for each t ∈ Ê and for each t, s ∈ Ê , u, v ∈ Ên , u ≤ v; 4.2 Fixed Point Theory and Applications iv there exists x0 ∈ ... comparable to x and y Notice that ii implies that B is increasing Fixed Point Theory and Applications From condition iii , for x, y ∈ E with x ≤ y, we have Bx t − By t ≤ ≤ t −t t −t ϕ x s − y s e−τ|s|...
Ngày tải lên: 21/06/2014, 07:20