danger in deep space

... pertaining to the development and design of deep- space communications systems When taken in this context, we hope that, in addition to being informative, this document will serve as an inspiration ... to Deep - Space CommunicationsMarvin K Simon MONOGRAPH 3 DEEP– SPACE COMMUNICATIONS AND NAVIGATION SERIES Trang 3Modulation with Application to Deep-Space CommunicationsTrang 4Issued by the Deep-Space ... systems operate in the presence of path loss andatmospheric-induced fading In order to maintain sufficient received power atthe destination, it is required that a device for generating adequate transmitteroutput

Ngày tải lên: 03/07/2014, 21:12

... For information about publishing your research in Advances in Difference Equations go to http://www.advancesindifferenceequations.com/authors/instructions/ For information about other SpringerOpen ... many known results including singular and nonsingular cases 1 Introduction The boundary value problems (BVPs) for ordinary differential equations play a very important role in both theory and ... we approximate the singular fourth-order BVP to singular second-order BVP by constructing an integral operator In Section 3, the sufficient condition for the existence of single and multiple positive

Ngày tải lên: 18/06/2014, 22:20

... many known results including singular and nonsingular cases 1 Introduction The boundary value problems (BVPs) for ordinary differential equations play a very important role in both theory and ... we approximate the singular fourth-order BVP to singular second-order BVP by constructing an inte-gral operator In Section 3, the sufficient condition for the existence of single and mul-tiple ... BVP in Banach space Hua Su1*, Lishan Liu2and Xinjun Wang3 * Correspondence: jnsuhua@163. com 1 School of Mathematic and Quantitative Economics, Shandong University of Finance and Economics, Jinan

Ngày tải lên: 20/06/2014, 21:20

... The lacustrine saline sediments of the Lagoa Feia Formation (source rock) were interpreted as the source for the typical “Campos oils”, including the samples P1 (Coquinas reservoir in Lagoa Feia ... experiments were set up in 50 mL glass serum bottles sealed with butyl stoppers and aluminium crimps containins resazurin as redox potential control The bottles were incubated at 30 ºC during 30 days (with ... was composed of 40 mL of Zinder nutrient medium (Zinder et al., 1984) containing sources of organic substrates, nitrogen, phophorus, vitamins and trace minerals, made up in Milli-Q water and 30

Ngày tải lên: 20/06/2014, 21:20

... ||Jx n − JS n j x n ||) → 0 (as n → ∞), sincelim infn→0 α n,0 α n,i > 0,∀i ≥ 1 We obtain ||Jx n − JS n since g(0) = 0 and g is strictly increasing and continuous By (3.7) and (3.11), we have JS ... ∈ C, ∀n ≥ 1. Now we introduce the following concepts Definition 2.2 A mapping S : C ® C is said (1) to be locally uniformly Lipschitz continuous if for any bounded subset D in C, there exists ... Letting t ↓ 0, since z a f(z, y) + 〈y Remark 2.3 If b = 0 in (B4), that is, f is monotone, then the conclusions (1) and (2) in Lemma 2.3 reduce to the relating results of Lemmas 2.5 and 2.6 in

Ngày tải lên: 21/06/2014, 01:20

... DC: Multivalued mappings and fixed points II Tamkang J Math 2006, 37:27-46. 17 Agarwal RP, O ’Regan D: Set-Valued Mappings with Applications in Nonlinear Analysis In Series in Mathematical Analysis ... refer the interested reader to [11] and the references therein It is clear that solutions of (1) are solutions of the integral inclusion x(t)∈ T  0 g(x(t))dt +  t 0 2 Preliminaries Definition ... and Karlin (see Corollary 11.3 in [8])has a fixed point inΣ, which is a solution of the inclusion (2), and there-fore a solution of (1) Acknowledgements The authors are grateful to King Fahd

Ngày tải lên: 21/06/2014, 02:20

... compression in the Zak space has been investigated in depth in [27], and it was the main driving factor for transferring many chirp signal processing tasks to the Zak space [25,37] To consider ... back-projecting the intrinsically high-dimensional PPS onto an analysis space of a matching dimension, such as a time-frequency space, one can obtain a sequence representation that is highly localized in ... frequency space replicas, even in the presence of noise, when the Zak space lines become degraded Figures 6,7, and8, showing an example of a matched filter realized in the Zak space, succinctly

Ngày tải lên: 21/06/2014, 08:20

... For information about publishing your research in Fixed Point Theory and Applications go to http://www.fixedpointtheoryandapplications.com/authors/instructions/ For information about other SpringerOpen ... for a finite family of nonexpansivemappings {T i } N i=1 and proved some weak convergence theorems to a common fixed point for a finite family of nonexpansive mappings in a Hilbert space In 2004, ... fixed point for pseudocontractive semigroups in Banach spaces The results presented in this article extend and improve the corresponding results of many authors Trang 31 Introduction and preliminariesThroughout

Ngày tải lên: 21/06/2014, 17:20

... of generalized contractive multimaps in the setting of metric spaces is introduced, and the existence of fixed points for such maps is guaranteed under certain conditions Consequently, our results ... Consequently, our results either generalize or improve a number of fixed point results including the corresponding recent fixed point results of Ciric2008, Latif-Albar 2008, Klim-Wardowski 2007, ... unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited 1 Introduction and Preliminaries LetX, d be a metric space, 2 X a collection of nonempty subsets

Ngày tải lên: 21/06/2014, 20:20

... Tan and Xu 14 in the settings of Hilbert spaces and uniformly convex Banach spaces There are many methods for approximating fixed points of a nonexpansive mapping Xu and Ori15 introduced implicit ... mapping T and an asymptotically quasi-nonexpansive mapping I, defined on a nonempty closed convex subset of a Banach space. 1 Introduction Let K be a nonempty subset of a real normed linear space ... common fixed point of a finite family of nonexpansive mappings in a Hilbert space Recently, Sun16 has extended an implicit iteration process for a finite family of nonexpansive mappings, due to

Ngày tải lên: 21/06/2014, 20:20

... nonexpansive mapping on a real Hilbert space H: min x∈C 1 2Ax, x − x, b, 1.1 where C is the fixed point set of a nonexpansive mapping T on H, and b is a given point in H Assume that A is strongly ... extend and improve the main results in Marino and Xu9, and the methods of proof given in this paper are also quite different In what follows, we will make use of the following lemmas Some of them ... distribution, and reproduction in any medium, provided the original work is properly cited 1 Introduction and preliminaries Let C be a closed convex subset of a Hilbert space H, recall that T : C

Ngày tải lên: 21/06/2014, 23:20

... m-accretive mappings in Banach spaces By using the resolvent operator technique in6, they constructed some new iterative algorithms for solving the nonlinear variational inclusions involving generalized ... m-accretive mapping in Banach spaces Recently, Huang et al. 6, 7, Huang 8, Jin and Liu 9 and Lan et al 11 introduced and studied some new classes of nonlinear variational inclusions involving generalized ... very interesting developments involving a link among Trang 2various fields of mathematics, physics, economics, regional, and engineering sciences The ideas and techniques are being applied in a

Ngày tải lên: 22/06/2014, 02:20

... problem (CFP) of finding a point in the nonempty intersection ∩ N i =1C i is considered, whereN ≥1 is an integer and eachC iis assumed to be the fixed point set of a nonexpansive mapping T i:E → E, ... fixed point set of a nonex-pansive mappingT i:E → E, i =1, 2, ,N There is a considerable investigation on CFP in the setting of Hilbert spaces which captures applications in various disciplines ... nonexpansive mappings in Banach spaces Current information on (sunny) nonexpansive retracts in Banach spaces can be found in Kopeck´a and Reich [23] Defintion 2.5 (Browder [5]) A Banach space is said

Ngày tải lên: 22/06/2014, 19:20

... problem reduces to finding a point in the intersection of the fixed point sets of a family of nonexpan-sive maps (See, e.g., [3,4].) The problem of finding an optimal point that minimizes a given ... Finding an optimal point in the intersectionF of the fixed point sets of a family of nonexpansive maps is one that occurs frequently in various areas of mathematical sci-ences and engineering ... selfadjoint bounded linear operator, Yamada et al defined an iteration scheme which converges to the unique minimizer of the qua-dratic functional over the common fixed point set of the mappings In

Ngày tải lên: 23/06/2014, 00:20

... (Wirtinger angles are constant alongM) in the first case, which is very different from cases in K¨ahler geometry 1 Introduction and Main Theorem Wirtinger angles in contact geometry are something ... e α (cos θ) }2= 2n 2, since ξ(cos θ) = 0. Inserting (3.9)∼(3.13) into F and using (3.2) we get (n cos2θ) ≤ 2 sin θ cos θ k { ∇ ⊥ en+k H, e  2n+k ⊥ ek H, e  3n+k + 2 sin θ cos θ α,k { (R(e ... M from a complex subspace of T p N This concept was first introduced by Chern and Wolfson [11] for real surfaces immersed into K¨ahler surfaces N , giving, in this case, a single K¨ahler angle

Ngày tải lên: 06/08/2014, 05:20

... the Lov´asz Local Lemma to the space of random injections by establishing a simple criterion for defining the negative dependency graph In section 3, we apply our main theorem to asymptotic permutation ... empty intersection while their images F2 and F0 2 have non-empty intersection 2 Edges F1 and F0 1 have non-empty intersection but φ and φ0 are defined differently in some intersection point An ... proved in [1] The main obstacle for using Lemma 3 is the difficulty to define a useful negative dependency graph other than a dependency graph In this paper, we will consider the probability space

Ngày tải lên: 07/08/2014, 15:23

... identification signal of jet liner coming in from Mars. Watch her closely. The Venusport Space Line is overloading again… ." On and on he went, with Tom standing to one side watching with wide- eyed ... darting out from the station carrying the magnetic cables. In a moment the lines were at- tached to the steel skin of the ship, and gradually the lines tightened, pulling the mighty spaceship into ... It was early evening, but already Spaceman's Row was getting ready for the coming night. Presently, Mason left Loring, climbing up a long narrow flight of stairs leading to a dingy back hall...

Ngày tải lên: 15/03/2014, 17:20

... to draw the figure in deep space projections, putting the human form into the most inventive and varied conceptions of foreshortening, advancing and receding in space. Conceiving the figure as ... the linking of the arms. The smaller schematic drawing is taken to an advanced stag in the larger figure, reinforcing the interconnecting transit of the linked arms through the chest barrel. In ... developed in the final workup and was inserted before the final stretch and land in g figure (5). The important things in this three-part finish are (1) having a pool of original figure ideas...

Ngày tải lên: 24/12/2013, 02:19