Results 11 to 20 of about 26,540 (300)

Anisotropic compact stars via embedding approach in general relativity: new physical insights of stellar configurations

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
The main focus of this paper is to explore the possibility of providing a new family of exact solutions for suitable anisotropic spherically symmetric systems in the realm of general relativity involving the embedding spherically symmetric static metric ...
Abdelghani Errehymy   +2 more
doaj   +2 more sources

Reflections on Dubinskiĭ’s nonlinear compact embedding theorem [PDF]

open access: yesPublications de l'Institut Mathematique, 2012
We present an overview of a result by Yuli? Andreevich Dubinski? [Mat. Sb. 67 (109) (1965); translated in Amer. Math. Soc. Transl. (2) 67 (1968)], concerning the compact embedding of a seminormed set in Lp(0, T;A0), where A0 is a Banach space and p 2 [1,1]; we establish a variant of Dubinski??s theorem, where a seminormed nonnegative cone ...
Barrett, J, Süli, E
openaire   +4 more sources

Multi-Hot Compact Network Embedding [PDF]

open access: yesProceedings of the 28th ACM International Conference on Information and Knowledge Management, 2019
Network embedding, as a promising way of the network representation learning, is capable of supporting various subsequent network mining and analysis tasks, and has attracted growing research interests recently. Traditional approaches assign each node with an independent continuous vector, which will cause memory overhead for large networks.
Chaozhuo Li   +5 more
openaire   +3 more sources

Relativistic modeling of stellar objects in a Schwarzschild’s coordinates with embedded class one spacetime

open access: yesEuropean Physical Journal C: Particles and Fields, 2023
In this study, we investigate a new relativistic anisotropic Einstein field equations solution for compact stars under embedding class 1 conditions. In order to do this, we apply the Karmarkar condition and the embedding class one technique.
Amit Kumar Prasad   +2 more
doaj   +1 more source

Compact embeddings of Brézis-Wainger type [PDF]

open access: yesRevista Matemática Iberoamericana, 2006
Let \Omega be a bounded domain in \mathbb R^n and denote by id_\Omega the restriction operator from the Besov space B_{pq}^{1+n/p}(\mathbb R^n)
Cobos , Fernando   +2 more
openaire   +4 more sources

Almost compact and compact embeddings of variable exponent spaces

open access: yesStudia Mathematica, 2023
26 ...
Edmunds, D. E.   +2 more
openaire   +2 more sources

Embeddings into countably compact Hausdorff spaces

open access: yesUkrains’kyi Matematychnyi Zhurnal, 2023
UDC 515.122 We consider the problem of characterization of topological spaces  embedded into countably compact Hausdorff topological spaces. We study the separation axioms for subspaces of Hausdorff countably compact topological spaces and construct an example of a regular separable scattered topological space that cannot be embedded into a Urysohn ...
Banakh, Taras   +2 more
openaire   +2 more sources

A Generic Embedding Class-I Model via Karmarkar Condition in fℛ,T Gravity

open access: yesAdvances in Astronomy, 2021
In the present work, we investigate the existence of compact star model in the background of fℛ,T gravity theory, where ℛ represents the Ricci scalar and T refers to the energy-momentum tensor trace.
M. Zubair, Saira Waheed, Hina Javaid
doaj   +1 more source

"A necessary supplement" : what the United Nations global compact is and is not [PDF]

open access: yes, 2009
The United Nations Global Compact is with currently more than 6,000 voluntary participants the world's largest corporate citizenship initiative. This article first analyzes three critical allegations often made against the Compact by looking at the ...
Rasche, Andreas
core   +1 more source

Maximal Non-compactness of Sobolev Embeddings [PDF]

open access: yesThe Journal of Geometric Analysis, 2020
18 ...
Jan Lang   +3 more
openaire   +3 more sources

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