[PDF] Top 20 Perceção dos enfermeiros sobre os líderes em enfermagem
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Ricci-flat metrics and Killing-Yano tensors
... It is easy to show that compact Calabi-Yau’s do not admit Killing vectors (apart from trivial cases), therefore explicit metrics are difficult to construct. For this reason we will be considering ... See full document
6
Characterization of Einstein-Finsler Space With Special (α; β)-Metric
... In this paper we study the Einstein criterion for Finsler spaces with special (α, β)-metrics. We consider the special (α, β)-metric L = α + β − β α 2 , where α is the Riemannian metric, β is a constant ... See full document
16
Generalised Darboux-Koenigs Metrics and 3-Dimensional Superintegrable Systems
... Darboux–Koenigs metrics in 2D are an important class of conformally flat, non-constant curvature metrics with a single Killing vector and a pair of quadratic Killing ...conformally ... See full document
23
An S type singular value inclusion set for rectangular tensors
... An S-type singular value inclusion set for rectangular tensors is given. Based on the set, new upper and lower bounds for the largest singular value of nonnegative rectangular tensors are obtained and ... See full document
112
Inequalities for M tensors
... In this paper, we continue this research on the eigenvalue problems for tensors. In Sec- tion , some bounds for the minimum eigenvalue of M-tensors are obtained, and proved to be tighter than those in ... See full document
27
Gravity and Faster than Light Particles
... cally Lorentzian nature of space-time [3-6]. What is common to all the above approaches is that additional theoretical structures & assumptions are needed. In previous works [7-9] it was shown that General relativis- ... See full document
86
Implementation and evaluation of cots metrics
... new metrics for COTS so that we can measure the quality of a software product as this is very useful for building new software now a ...CK metrics for COTS based on object oriented metrics and also ... See full document
16
Diverging type D metrics
... In this paper we have .discussed the diverging empty algebraically special metrics and have shown that all diverging type D spaces with two commuting Killing vectors are characterised by[r] ... See full document
8
On Chen invariants and inequalities in quaternionic geometry
... Problem . Recently, Tripathi [], Mihai and Rădulescu [] obtained an improved Chen-Ricci inequality for Kählerian slant submanifolds in a complex space form. On the other hand, the quaternionic version of a ... See full document
18
10. On quasi einstein manifolds admitting a ricci quartersymmetric metric connection
... that if b = 0 , then this manifold reduces to an Einstein manifod if a = R n , namely, Einstein manifolds form a subclass of quasi Einstein manifolds. Quasi Einstein manifolds arose in the study of exact solutions of the ... See full document
6
Morphological Segmentation Inside Out
... Moreover, a flat segmentation is often semanti- cally ambiguous. There are two potentially valid readings of untestably depending on how the nega- tive prefix un scopes. The correct tree (see Figure 1) yields the ... See full document
182
Strain gradient elasticity with geometric nonlinearities and its computational evaluation
... We have briefly outlined strain gradient elasticity from a continuum mechanics perspective. Starting from the balances of momenta we have obtained the so-called stress and couple stress tensors (of rank two and ... See full document
18
On Ricci solitons in LP-Sasakian manifolds
... 111 Matsumoto [9]. Mihai and Rosca defined the same notion independently and obtain several results on this manifold [10]. LP-Sasakian manifolds have also been studied by [11], [12], [13] and others. In this paper, we ... See full document
7
Ricci Flows and Topology Change in Quantum Gravity
... a Ricci flow. In this approach we consider the Ricci flow as a statistical ...the Ricci flow enumerated by a parameter λ is a microscopical statistical ...The Ricci flow starting from a static ... See full document
13
p Norm SDD tensors and eigenvalue localization
... Based on this multiplication of tensors, Kannan, Shaked-Monderer, and Berman [] established a necessary and sufficient condition for a tensor to be a strong H-tensor. Lemma [] Let A ∈ C [m,n] . Then A is a ... See full document
52
Design and Implementation Issues of Clustering in Wireless Sensor Networks
... decision metrics for clustering, Section 3 describes the architecture of a flat sensor network without clustering, drawbacks of the flat network, architecture of a hierarchical networks and its ... See full document
145
Download Download PDF
... concentration tensors relate the average stress or average strain tensors in inclusions and matrix to the average macroscopic stress or strain tensor, ... See full document
16
Zero Reflection from Anisotropic Metamaterial Stratified Structures
... characteristic tensors: With the relative permittivity and permeability tensors given in Figure 4, m = 3 is chosen and the result is practically zero reflection from the structure in the frequency range of ... See full document
6
New Way to Calculate Ricci Tensor and Ricci Scalar
... the Ricci tensor and Ricci scalar for many metrics, such as The Robertson-Walker metric and Schwarz- schild metric directly, means that we don’t need the hypotheses, principles, and symbols of ... See full document
10
The Interacting Generalized Ricci Dark Energy Model in Non Flat Universe
... In this paper, we extend our previous analysis, and consider the interacting RDE (IRDE) model in non-flat universe. This paper is organized as follows. In Section 2, we describe the generalized IRDE model in ... See full document
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