speed of light in vacuum equation

... help of the equations (6). In this paper we develop the ideas of [Kl-Ro] further by taking full ad- vantage of the Einstein equations (1) in wave coordinates (6). An important aspect of our analysis ... the derivation of decay estimates. The latter allows us to take full advantage of the specific structure of the Einstein equations. 1. Introduction We consider the Einstein -vacuum equations, R αβ (g)=0(1) where ... first in a series of papers in which we initiate the study of very rough solutions to the initial value problem for the Einstein -vacuum equations expressed relative to wave coordinates. By very...

Ngày tải lên: 16/02/2014, 05:20

... should be kept in mind that the point of focus of this study is the identification of predictors modifying the wo rsening (aggravation) of HRQoL at any time point before or after VABB. In an attempt ... short-term pain. Commenting on late effects, a striking finding is that long-term pain (EQ-5D pain/discomfort and SF-36 Bodily Pain dimensions) seemed rather idiosyncratic, since none of the predictors ... considered minimal, if any. Never- theless, future studies stratifying results would be of inter- est so as to gain more detailed insight into the phenomenon of long-term pain. Further commenting on...

Ngày tải lên: 18/06/2014, 19:20

Ngày tải lên: 22/06/2014, 00:20

Ngày tải lên: 20/07/2014, 20:30

Ngày tải lên: 05/09/2013, 08:40

... functionalized invaginations of the intracyto- plasmic membrane containing the photosynthetic machinery. The most abundant protein complexes in the intracytoplasmic membrane are light- harvesting (LH) ... energy- transducing network. Protein packing may play a determining role in the formation of functional photosynthetic domains and membrane curvature. To further investigate in detail the packing effects of ... zoomed -in image of the areas indicated by the dashed line in Fig. 1A (area 1). Inset: 3D enhanced close view showing weakly protruding LH2’s (black arrows) in between the strongly protruding zig-zag...

Ngày tải lên: 18/02/2014, 18:20

... couplings from protons whose nuclear spins are interacting only very weakly with the unpaired electron spin, e.g. protons from the protein backbone within the cofactor binding pocket, protons of ... time scale fol- lowing pulsed light excitation, is the method of choice. EPR and ENDOR investigations of flavoproteins In studies of paramagnetic flavin species, the applica- tion of EPR has traditionally ... strong radical–radical interactions may inhibit the magnetic field dependence of singlet-to-triplet interconversion of radical pair states, and hence, make radical pairs of the type of Trp324 • FAD • in cryptochromes...

Ngày tải lên: 16/03/2014, 02:20

... stabilization by UV light (Eur. J. Biochem. 269) 5831 UV light but not activation of p38 MAP kinase increases cytoplasmic HuR-binding activity Analysis of protein–RNA binding showed that several complexes ... by modulating the degradation rate of mRNAs. In the present study we investigated the effect of UV light on the stability of mRNAs expressed using the tet-off system which allows the termination of only ... obtained when this pathway is inhibited. The p38 MAP kinase inhibitor SB 203580 failed to inhibit UV- induced stabilization of endogenous histone mRNA (Fig. 5). Stabilization of ARE-containing...

Ngày tải lên: 31/03/2014, 08:20

... measurement of light intensity increased in the second half of the 19th century owing to the creation of new research problems, especially in the areas of astronomical and lighting photometry. Chronicling ... distinguished. 34 Introduction: Making Light Count to bring such standards to the measurement of light intensity. The observers supplied Airy’s request by obtaining merely a notion instead of ameasureof the degree of darkness. The ... red (being written ‘infra-red’ by 1880 in Britain and, by 1920, ‘infrared’ in America). Experiments demonstrating the interference of light, particularly from the late 19th century, convinced many investigators...

Ngày tải lên: 05/06/2014, 11:28

... recording the freely chosen walking speed. Freely chosen walking speed is primordial when examining STV because it is the only walking speed that takes into account the strategy aiming at maintaining ... pre- ferred walking speed and you will decrease your walking speed stage by stage of 10% until walking to 10% of your preferred walking speed. You will perform 3 trials for each walking speed condition. ... an increase in STV is provoked either by the decrease in walking speed, by confounders, or both. The aim of this study was to determine the extent to which a decrease in self-selected walking speed...

Ngày tải lên: 19/06/2014, 08:20

... existence of global attractor for a class of infinite dimensional nonlinear dissipative dynamical systems. Chin Ann Math B. 26(3), 1–8 (2005) 17. Temam, R: Infinite-Dimensional Dynamical Systems in ... PR China 2 College of Mathematics and Software Science, Sichuan Normal University, Chengdu, Sichuan 610066, PR China Competing interests The author declares that they have no competing interests. Received: ... Nonlinear Sci Ser A Monogr Treatises. World Scientific, Singapore. 153 (2005) 21. Ma, T, Wang, SH: Stability and Bifurcation of Nonlinear Evolution Equations. Science Press, China (in Chinese)...

Ngày tải lên: 20/06/2014, 22:20

... Mathematics, University of Seoul, Seoul 130-743, Republic of Korea Full list of author information is available at the end of the article Abstract In this paper, we prove the Hyers-Ulam stability of the following ... equa- tion, Hyers-Ulam stability 1. Introduction The stability problem of functional equations originated from a question of Ulam [1] in 1940, concerning the stability of group homomorphisms. Let (G 1 ,·)beagroupandlet (G 2 ,*,d) ... stability of the functional equation (1.4): an even mapping case In this section, we prove the Hyers-Ulam stability of the functional equation Df(x, y) = 0 in complete RN-spaces: an even mapping case. Theorem...

Ngày tải lên: 21/06/2014, 01:20

... understood here in the Riemann-Liouville sense. In recent years, the fractional differential equations have been proved to be good tools in the investigation of many phenomena in engineering, physics, ... with in nite delay in a Banach space X. The existence of mild solution is obtained by using the theory of the measure of noncompactness and Sadovskii’s fixed point theorem. An application of the ... η  γ−1 . 2.18 Advances in Difference Equations 3 Definition 2.3. A linear space P consisting of functions from R − into X, with seminorm · P , is called an admissible phase space if P has the following properties. 1...

Ngày tải lên: 21/06/2014, 11:20

... area of investigation in the recent years and is much richer than the corresponding theory of differential equations. For an introduction of the basic theory of impulsive differential equations in ... 31 .In 31, Guo investigated the minimal nonnegative solution of the following initial value problem for a second order nonlinear impulsive integrodifferential equation of Volterra type on an in nite ... of Guo and Liu Boundary Value Problems 3 At the same time, we also notice that there has been increasing interest in studying nonlinear differential equation and impulsive integrodifferential equation...

Ngày tải lên: 21/06/2014, 11:20

Ngày tải lên: 21/06/2014, 11:20

Ngày tải lên: 21/06/2014, 20:20

Ngày tải lên: 21/06/2014, 20:20