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Regularity Theory for Elliptic PDE [PDF]

open access: yes, 2022
This manuscript aims to provide a self-contained introduction to the regularity theory for elliptic PDE, focusing on the main ideas rather than proving all results in their greatest generality.
Xavier Fernández-Real, Xavier Ros-Oton
semanticscholar   +1 more source

Sleep regularity is a stronger predictor of mortality risk than sleep duration: A prospective cohort study

open access: yesSleep, 2023
Abnormally short and long sleep are associated with premature mortality, and achieving optimal sleep duration has been the focus of sleep health guidelines.
D. Windred   +6 more
semanticscholar   +1 more source

Mixed local and nonlocal elliptic operators: regularity and maximum principles [PDF]

open access: yesCommunications in Partial Differential Equations, 2020
We develop a systematic study of the superpositions of elliptic operators with different orders, mixing classical and fractional scenarios. For concreteness, we focus on the sum of the Laplacian and the fractional Laplacian, and we provide structural ...
Stefano Biagi   +3 more
semanticscholar   +1 more source

Energy equality for the multi-dimensional nonhomogeneous incompressible Hall-MHD equations in a bounded domain

open access: yesElectronic Research Archive, 2023
This paper focuses on the energy equality for weak solutions of the nonhomogeneous incompressible Hall-magnetohydrodynamics equations in a bounded domain $ \Omega \subset \mathbb{R}^n $ $ (n\geqslant2) $.
Xun Wang , Qunyi Bie
doaj   +1 more source

Learning Temporal Regularity in Video Sequences [PDF]

open access: yesComputer Vision and Pattern Recognition, 2016
Perceiving meaningful activities in a long video sequence is a challenging problem due to ambiguous definition of 'meaningfulness' as well as clutters in the scene.
Mahmudul Hasan   +4 more
semanticscholar   +1 more source

Measuring sleep regularity: Theoretical properties and practical usage of existing metrics.

open access: yesSleep, 2021
STUDY OBJECTIVES Sleep regularity predicts many health-related outcomes. Currently, however, there is no systematic approach to measuring sleep regularity.
D. Fischer, E. Klerman, A. Phillips
semanticscholar   +1 more source

The qualitative analysis of solution of the Stokes and Navier-Stokes system in non-smooth domains with weighted Sobolev spaces

open access: yesAIMS Mathematics, 2021
This study typically emphasizes analyzing the geometrical singularities of weak solutions of the mixed boundary value problem for the stationary Stokes and Navier-Stokes system in two-dimensional non-smooth domains with corner points and points at which ...
Yasir Nadeem Anjam
doaj   +1 more source

Regularity for minimizers for functionals of double phase with variable exponents [PDF]

open access: yesAdvances in Nonlinear Analysis, 2019
The functionals of double phase type H(u):=∫|Du|p+a(x)|Du|qdx,     (q>p>1,  a(x)≥0) $$\begin{array}{} \displaystyle {\cal H} (u):= \int \left(|Du|^{p} + a(x)|Du|^{q} \right) dx, ~~ ~~~(q \gt p \gt 1,~~a(x)\geq 0) \end{array}$$ are introduced in the epoch-
M. Ragusa, A. Tachikawa
semanticscholar   +1 more source

A Regularity Criterion in Weak Spaces to Boussinesq Equations [PDF]

open access: yesMathematics, 2020
In this paper, we study the regularity of weak solutions to the incompressible Boussinesq equations in R 3 × ( 0 , T ) . The main goal is to establish the regularity criterion in terms of one velocity component and the gradient of temperature in Lorentz ...
R. Agarwal, S. Gala, M. Ragusa
semanticscholar   +1 more source

IDEALS WITH (d1, . . . , dm)-LINEAR QUOTIENTS [PDF]

open access: yesJournal of Algebraic Systems, 2018
In this paper, we introduce the class of ideals with $(d_1,ldots,d_m)$-linear quotients generalizing the class of ideals with linear quotients. Under suitable conditions we control the numerical invariants of a minimal free resolution of ideals with ...
L. Sharifan
doaj   +1 more source

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