Results 21 to 30 of about 653,519 (263)

$F$-pure homomorphisms, strong $F$-regularity, and $F$-injectivity

open access: yes, 2009
We discuss Matijevic-Roberts type theorem on strong $F$-regularity, $F$-purity, and Cohen-Macaulay $F$-injective (CMFI for short) property. Related to this problem, we also discuss the base change problem and the openness of loci of these properties.
Hashimoto, Mitsuyasu
core   +3 more sources

Lower bound for the regularity index of fat points

open access: yes, 2016
The problem to find an upper bound for the regularity index of fat points has been dealt with by many authors. In this paper we give a lower bound for the regularity index of fat points.
Van Thien, Phan
core   +1 more source

The Singular Perturbation Problem for a Class of Generalized Logistic Equations Under Non-classical Mixed Boundary Conditions

open access: yesAdvanced Nonlinear Studies, 2019
This paper studies a singular perturbation result for a class of generalized diffusive logistic equations, d⁢ℒ⁢u=u⁢h⁢(u,x){d\mathcal{L}u=uh(u,x)}, under non-classical mixed boundary conditions, ℬ⁢u=0{\mathcal{B}u=0} on ∂⁡Ω{\partial\Omega}.
Fernández-Rincón Sergio   +1 more
doaj   +1 more source

Commentary on "A Computational Approach to the Detection and Prediction of (Ir)Regularity in Children's Folk Songs"

open access: yesEmpirical Musicology Review, 2023
This commentary on "A Computational Approach to the Detection and Prediction of (Ir)Regularity in Children's Folk Songs" by Mihelač, Povoh, and Wiggins reflects on the use of methods of (statistical) expectation to analyze musical structure and ...
Carlos Eduardo Cancino-Chacon
doaj   +1 more source

Local regularity for fractional heat equations

open access: yes, 2017
We prove the maximal local regularity of weak solutions to the parabolic problem associated with the fractional Laplacian with homogeneous Dirichlet boundary conditions on an arbitrary bounded open set $\Omega\subset\mathbb{R}^N$.
D Lamberton   +16 more
core   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Function spaces and contractive extensions in Approach Theory: The role of regularity

open access: yes, 2013
Two classical results characterizing regularity of a convergence space in terms of continuous extensions of maps on one hand, and in terms of continuity of limits for the continuous convergence on the other, are extended to convergence-approach spaces ...
Colebunders, Eva   +2 more
core   +1 more source

A Cre‐dependent lentiviral vector for neuron subtype‐specific expression of large proteins

open access: yesFEBS Letters, EarlyView.
We designed a versatile and modular lentivector comprising a Cre‐dependent switch and self‐cleaving 2A peptide and tested it for co‐expression of GFP and a 2.8 kb gene of interest (GOI) in mouse cortical parvalbumin (PV+) interneurons and midbrain dopamine (TH+) neurons.
Weixuan Xue   +6 more
wiley   +1 more source

A limiting case in partial regularity for quasiconvex functionals

open access: yesMathematics in Engineering
Local minimizers of nonhomogeneous quasiconvex variational integrals with standard $ p $-growth of the type $ w\mapsto \int \left[F(Dw)-f\cdot w\right]{\,{{\rm{d}}}x} $ feature almost everywhere $ \mbox{BMO} $-regular gradient provided that ...
Mirco Piccinini
doaj   +1 more source

Contact interaction of multilayer slabs with an inhomogeneous base

open access: yesMagazine of Civil Engineering, 2022
The article is devoted to the development of mathematical models and new methods for solving contact problems of multilayer elements of structures with an inhomogeneous base, considering their mechanical, structural features, and to the assessment of ...
Mirsaidov Mirziyod, Mamasoliev Kazokboy
doaj   +1 more source

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