Results 21 to 30 of about 24,231 (260)

Compact embeddings of Brézis-Wainger type

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

Task-Optimized Word Embeddings for Text Classification Representations

open access: yesFrontiers in Applied Mathematics and Statistics, 2020
Word embeddings have introduced a compact and efficient way of representing text for further downstream natural language processing (NLP) tasks. Most word embedding algorithms are optimized at the word level.
Sukrat Gupta   +3 more
doaj   +1 more source

Sharpened Adams Inequality and Ground State Solutions to the Bi-Laplacian Equation in ℝ4

open access: yesAdvanced Nonlinear Studies, 2018
In this paper, we establish a sharp concentration-compactness principle associated with the singular Adams inequality on the second-order Sobolev spaces in ℝ4{\mathbb{R}^{4}}.
Chen Lu   +3 more
doaj   +1 more source

THz Characterization and Modeling of SiGe HBTs: Review (Invited)

open access: yesIEEE Journal of the Electron Devices Society, 2020
This article presents a state-of-art review of on-wafer S-parameter characterization of THz silicon transistors for compact modelling purpose. After, a brief review of calibration/de-embedding techniques, the paper focuses on the on-wafer calibration ...
Sebastien Fregonese   +5 more
doaj   +1 more source

Anisotropic compact star model: a brief study via embedding

open access: yesEuropean Physical Journal C: Particles and Fields, 2019
In present article a new model of compact star is obtained in the framework of general relativity which does not suffer from any kinds of singularity. We assume that the underlying fluid distribution is anisotropic in nature along with a new form for the
Piyali Bhar
doaj   +1 more source

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   +3 more sources

Remarks on Smooth Real-Compactness for Sikorski Spaces

open access: yesDemonstratio Mathematica, 2014
It is known that every Sikorski space with the countably generated differential structure is smoothly real-compact. It means that every homomorphism from its differential structure, which forms a ring of smooth real-valued functions into the ring of real
Cukrowski Michał J.   +1 more
doaj   +1 more source

Sobolev Spaces on Locally Compact Abelian Groups: Compact Embeddings and Local Spaces

open access: yesJournal of Function Spaces, 2014
We continue our research on Sobolev spaces on locally compact abelian (LCA) groups motivated by our work on equations with infinitely many derivatives of interest for string theory and cosmology.
Przemysław Górka   +2 more
doaj   +1 more source

Synset2Node: A new synset embedding based upon graph embeddings

open access: yesIntelligent Systems with Applications, 2023
Due to the advances made in recent years, embedding methods caused a significant increase in the accuracy of text or graph processing methods. Embedding methods exhibit a compact vector representation of the basic elements (words, synsets, nodes,..) of ...
Fatemeh Jafarinejad
doaj   +1 more source

Brézis-Wainger Inequality on Riemannian Manifolds

open access: yesJournal of Inequalities and Applications, 2008
The Brézis-Wainger inequality on a compact Riemannian manifold without boundary is shown. For this purpose, the Moser-Trudinger inequality and the Sobolev embedding theorem are applied.
Przemysław Górka
doaj   +1 more source

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