Results 101 to 110 of about 111,307 (278)

Weak and strong $A_p$-$A_\infty$ estimates for square functions and related operators

, 2017
We prove sharp weak and strong type weighted estimates for a class of dyadic operators that includes majorants of both standard singular integrals and square functions.
Hytönen, Tuomas P., Li, Kangwei
core   +1 more source

Nanothermometry in Living Cells: Physical Limits, Conceptual and Material Challenges

Advanced Functional Materials, EarlyView.
Heat and temperature are fundamental to life. When nanothermometers began probing regions as small as a living cell, they triggered controversial claims of large intracellular temperature gradients. We review physical constraints energy‐conservation, entropy production, thermodynamic fluctuations, and molecular dynamics.
Taras Plakhotnik
wiley   +1 more source

On a numerical method for recovery of fractional derivative order in the generalized wave equation

Известия высших учебных заведений. Поволжский регион: Физико-математические науки
Background. The purpose of the paper is the development of a computational algorithm for approximate recovery of derivative order in the generalized wave equation.
V.A. Ryazantsev
doaj   +1 more source

Stability criteria for neutral delay differential-algebraic equations

上海师范大学学报. 自然科学版, 2013
The asymptotic stability of neutral delay differential-algebraic equations is studied in this paper.Two stability criteria described by evaluating a corresponding harmonic function on the boundary of a torus region are presented.
FAN Ni, LIU Lingling, SUN Leping
doaj  

Sparsity Apprised Logarithmic Hyperbolic Tan Adaptive Filters for Nonlinear System Identification and Acoustic Feedback Cancellation

IEEE Open Journal of Signal Processing
Recently, various robust algorithms based on hyperbolic cosine and sine functions, such as hyperbolic cosine (HCAF), exponential hyperbolic cosine, joint logarithmic hyperbolic cosine adaptive filter, etc., have been predominantly employed for different ...
Neetu Chikyal, Vasundhara, Chayan Bhar, Asutosh Kar, Mads Graesboll Christensen   +4 more
doaj   +1 more source

Multi-class SVMs: From Tighter Data-Dependent Generalization Bounds to Novel Algorithms

, 2015
This paper studies the generalization performance of multi-class classification algorithms, for which we obtain, for the first time, a data-dependent generalization error bound with a logarithmic dependence on the class size, substantially improving the ...
Binder, Alexander, Dogan, Ürün, Kloft, Marius, Lei, Yunwen   +3 more
core  

4D‐Printed Magneto‐Plasmonic Microrobots for Programmable Spatiotemporal De‐Icing

Advanced Functional Materials, EarlyView.
A 4D‐printing strategy is introduced to achieve programmable de‐icing devices. By aligning gold–magnetite nanofillers within a photosensitive resin, the printed structures exhibit dual magnetic and plasmonic functionalities, enabling precise spatio‐temporal ice removal through thermoplasmonic effects.
Amélie Pérot, Andrea Cosola, Eléonore Aïdonidis, Jérôme Fresnais, Clément Sanchez, Philippe Belleville, Giancarlo Rizza, Marco Faustini   +7 more
wiley   +1 more source

Triplet‐Triplet Annihilation Enhances Photochemical Curing Contrast for Vat‐Based 3D Printing

Advanced Functional Materials, EarlyView.
Triplet–triplet annihilation photopolymerization (TTAP) resins enhance curing contrast for digital light processing (DLP) 3D printing compared to conventional Type I and II photopolymerizations at matched optical densities. By exploiting a superlinear initiation response, TTAP preserves fine details, allowing reliable fabrication of complex structures ...
Connor J. O'Dea, Evan P. Scruggs, Zachariah A. Page   +2 more
wiley   +1 more source

Estimation in the convolution structure density model. Part II: adaptation over the scale of anisotropic classes

, 2017
This paper continues the research started in \cite{LW16}. In the framework of the convolution structure density model on $\bR^d$, we address the problem of adaptive minimax estimation with $\bL_p$--loss over the scale of anisotropic Nikol'skii classes ...
Lepski, Oleg, Willer, Thomas
core  

Uncovering the Origin of Efficiency Roll‐Off in TADF OLEDs

Advanced Functional Materials, EarlyView.
OLEDs based on thermally activated delayed fluorescent (TADF) materials often suffer from a severe drop in efficiency at high brightness levels. This work presents a technique to uncover the source of this efficiency drop, and quantifies the exciton‐exciton and exciton‐polaron annihilation processes responsible for efficiency losses in our TADF OLEDs ...
Liam G. King, Kou Yoshida, Arvydas Ruseckas, Ifor D. W. Samuel   +3 more
wiley   +1 more source