Results 31 to 40 of about 161,720 (314)

Exponential self-similar mixing and loss of regularity for continuity equations [PDF]

open access: yes, 2014
We consider the mixing behaviour of the solutions of the continuity equation associated with a divergence-free velocity eld. In this announcement we sketch two explicit examples of exponential decay of the mixing scale of the solution, in case of Sobolev
Crippa, Gianluca   +5 more
core   +1 more source

On Mixup Regularization

open access: yesCoRR, 2020
Mixup is a data augmentation technique that creates new examples as convex combinations of training points and labels. This simple technique has empirically shown to improve the accuracy of many state-of-the-art models in different settings and applications, but the reasons behind this empirical success remain poorly understood. In this paper we take a
Luigi Carratino   +3 more
openaire   +4 more sources

Alteration Information Extraction and Mineral Prospectivity Mapping in the Laozhaiwan Area Using Multisource Remote Sensing Data

open access: yesRemote Sensing
Gold is a vital strategic resource for many countries. The Laozhaiwan area is an important gold resource base in Yunnan Province and even nationwide.
Qi Chen   +11 more
doaj   +1 more source

Temporal Graphs and Temporal Network Characteristics for Bio-Inspired Networks during Optimization

open access: yesApplied Sciences, 2022
Temporal network analysis and time evolution of network characteristics are powerful tools in describing the changing topology of dynamic networks. This paper uses such approaches to better visualize and provide analytical measures for the changes in ...
Nicholas S. DiBrita   +4 more
doaj   +1 more source

Note on solution regularity of the generalized magnetohydrodynamic equations with partial dissipation

open access: yes, 2013
In this brief note we study the n-dimensional magnetohydrodynamic equations with hyper-viscosity and zero resistivity.
Tran, Chuong Van   +5 more
core   +1 more source

Regular Partitions of Regular Graphs [PDF]

open access: yesCanadian Mathematical Bulletin, 1978
In the study of the combinatorial structure of edge-graphs of convex polytopes one may ask whether a given graph possesses a partition consisting of certain kinds of subgraphs.In this paper we describe some special partitions of 3-valent and 4-valent graphs.
openaire   +2 more sources

Regularity in the research output of individual scientists: An empirical analysis by recent bibliometric tools [PDF]

open access: yes, 2011
This paper proposes an empirical analysis of several scientists based on their time regularity, defined as the ability of generating an active and stable research output over time, in terms of both quantity/publications and impact/citations.
Franceschini, Fiorenzo   +3 more
core   +1 more source

Iterative regularization for convex regularizers

open access: yes, 2020
We study iterative regularization for linear models, when the bias is convex but not necessarily strongly convex. We characterize the stability properties of a primal-dual gradient based approach, analyzing its convergence in the presence of worst case deterministic noise.
Cesare Molinari   +3 more
openaire   +4 more sources

Regular Model Checking with Regular Relations [PDF]

open access: yes, 2021
Regular model checking is an exploration technique for infinite state systems where state spaces are represented as regular languages and transition relations are expressed using rational relations over infinite (or finite) strings. We extend the regular model checking paradigm to permit the use of more powerful transition relations: the class of ...
Vrunda Dave   +3 more
openaire   +2 more sources

On global regularity of 2D generalized magnetohydrodynamic equations

open access: yes, 2013
In this article we study the global regularity of 2D generalized magnetohydrodynamic equations (2D GMHD), in which the dissipation terms are –ν(–Δ)αu and –κ(–Δ)βb. We show that smooth solutions are global in the following three cases: α≥1/2, β≥1; 0≤α≤1/2,
Tran, Chuong Van   +2 more
core   +1 more source

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