Results 41 to 50 of about 340,092 (283)
Boundedness of Maximal Operators of Schr\"odinger Type with Complex Time
, 2012 Results of P. Sj\"olin and F. Soria on the Schr\"odinger maximal operator with complex-valued time are improved by determining up to the endpoint the sharp $s \geq 0$ for which boundedness from the Sobolev space $H^s(\mathbb{R})$ into $L^2(\mathbb{R ...
Bailey, Andrew D.
core +1 more source
Crosstalk between the ribosome quality control‐associated E3 ubiquitin ligases LTN1 and RNF10
FEBS Letters, EarlyView.Loss of the E3 ligase LTN1, the ubiquitin‐like modifier UFM1, or the deubiquitinating enzyme UFSP2 disrupts endoplasmic reticulum–ribosome quality control (ER‐RQC), a pathway that removes stalled ribosomes and faulty proteins. This disruption may trigger a compensatory response to ER‐RQC defects, including increased expression of the E3 ligase RNF10 ...
Yuxi Huang +8 more
wiley +1 more source
Spherical Maximal Operators on Radial Functions [PDF]
Mathematische Nachrichten, 1997 AbstractLet Atf(x) denote the mean of f over a sphere of radius t and center x. We prove sharp estimates for the maximal function ME f(X) = supt∈E |Atf(x)| where E is a fixed set in IR+ and f is a radial function ∈ Lp(IRd). Let Pd = d/(d−1) (the critical exponent for Stein's maximal function). For the cases (i) p < pd, d ⩾ 2, and (ii) p = pd, d ⩽ 3,
Seeger, Andreas +2 more
openaire +3 more sources
FEBS Letters, EarlyView.This perspective highlights emerging insights into how the circadian transcription factor CLOCK:BMAL1 regulates chromatin architecture, cooperates with other transcription factors, and coordinates enhancer dynamics. We propose an updated framework for how circadian transcription factors operate within dynamic and multifactorial chromatin landscapes ...
Xinyu Y. Nie, Jerome S. Menet
wiley +1 more source
AxiomsThe Monge–Ampère operator, as a nonlinear operator embedded in parabolic differential equations, complicates the demonstration of maximal regularity for these equations.
Xingyu Liu
doaj +1 more source
Fractional Maximal Operator in Orlicz spaces
, 2018 We study the fractional maximal operator acting between Orlicz spaces. We characterise whether the operator is bounded between two given Orlicz spaces.
Musil, Vít
core +1 more source
Function‐driven design of a surrogate interleukin‐2 receptor ligand
FEBS Letters, EarlyView.Interleukin (IL)‐2 signaling can be achieved and precisely fine‐tuned through the affinity, distance, and orientation of the heterodimeric receptors with their ligands. We designed a biased IL‐2 surrogate ligand that selectively promotes effector T and natural killer cell activation and differentiation. Interleukin (IL) receptors play a pivotal role in
Ziwei Tang +9 more
wiley +1 more source
Estimates for compositions of maximal operators with singular integrals
, 2011 We prove weak-type (1,1) estimates for compositions of maximal operators with singular integrals. Our main object of interest is the operator $\Delta^*\Psi$ where $\Delta^*$ is Bourgain's maximal multiplier operator and $\Psi$ is the sum of several ...
Coifman +3 more
core +1 more source
Time after time – circadian clocks through the lens of oscillator theory
FEBS Letters, EarlyView.Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo +2 more
wiley +1 more source
极大奇异积分算子的RBLO估计(A RBLO estimate for maximal singular integral operator)
Zhejiang Daxue xuebao. Lixue ban, 2011 Let μ be a positive Radon measure and satisfy a growth condition on Rd. Considering maximal Calderón-Zygmund singular integral operator whose kernel is k(x, y).
QUANYu-xia(全玉霞) +2 more
doaj +1 more source