Results 41 to 50 of about 184,563 (268)

Quasi-Newton methods for atmospheric chemistry simulations: implementation in UKCA UM vn10.8 [PDF]

open access: yesGeoscientific Model Development, 2018
A key and expensive part of coupled atmospheric chemistry–climate model simulations is the integration of gas-phase chemistry, which involves dozens of species and hundreds of reactions.
E. Esentürk   +12 more
doaj   +1 more source

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

open access: yesAdvanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj   +8 more
wiley   +1 more source

Expansions of Functions Based on Rational Orthogonal Basis with Nonnegative Instantaneous Frequencies

open access: yesJournal of Applied Mathematics, 2014
We consider in this paper expansions of functions based on the rational orthogonal basis for the space of square integrable functions. The basis functions have nonnegative instantaneous frequencies so that the expansions make physical sense.
Xiaona Cui, Suxia Yao
doaj   +1 more source

Tiling by translates of a function: results and open problems

open access: yesDiscrete Analysis, 2021
Tiling by translates of a function: results and open problems, Discrete Analysis 2021:12, 24 pp. Let $f$ be a function from $\mathbb R$ to $\mathbb R$, and for each $\lambda\in\mathbb R$, let $T_\lambda$ be the translate of $f$ by $\lambda$, that is ...
Mihail N. Kolountzakis, Nir Lev
doaj   +1 more source

Almost Everywhere Convergence of Riesz-Raikov Series [PDF]

open access: yesColloquium Mathematicum, 1995
Summary: Let \(T\) be a \(d\times d\) matrix with integer entries and with eigenvalues \(>1\) in modulus. Let \(f\) be a Lipschitzian function of positive order. We prove that the series \(\sum^\infty_{n=1} c_nf(T^nx)\) converges almost everywhere with respect to Lebesgue measure provided that \(\sum^\infty_{n=1}|c_n|^2\log ...
openaire   +2 more sources

MGDP: Mastering a Generalized Depth Perception Model for Quadruped Locomotion

open access: yesAdvanced Science, EarlyView.
ABSTRACT Perception‐based Deep Reinforcement Learning (DRL) controllers demonstrate impressive performance on challenging terrains. However, existing controllers still face core limitations, struggling to achieve both terrain generality and platform transferability, and are constrained by high computational overhead and sensitivity to sensor noise.
Yinzhao Dong   +9 more
wiley   +1 more source

Weighted decoupling estimates and the Bochner-Riesz means

open access: yesForum of Mathematics, Sigma
We prove new weighted decoupling estimates. As an application, we give an improved sufficient condition for almost everywhere convergence of the Bochner-Riesz means of arbitrary $L^p$ functions for ...
Jongchon Kim
doaj   +1 more source

CONVERGENCE OF SOLUTIONS OF BILATERAL PROBLEMS IN VARIABLE DOMAINS AND RELATED QUESTIONS

open access: yesUral Mathematical Journal, 2017
We discuss some results on the convergence of minimizers and minimum values of integral and more general functionals on sets of functions defined by bilateral constraints in variable domains. We consider the case of regular constraints, i.e., constraints
Alexander A. Kovalevsky
doaj   +1 more source

Limits of Latin squares

open access: yesDiscrete Analysis, 2023
Limits of Latin squares, Discrete Analysis 2023:8, 66 pp. There has been a great deal of work over the last fifteen to twenty years on the theme of continuous limits of discrete combinatorial objects. In particular, any sequence of graphs of increasing
Frederik Garbe   +3 more
doaj   +1 more source

An "Analytic" Version of Menshov's Representation Theorem

open access: yes, 2005
Every measurable function f on the circle can be represented as a sum of harmonics with positive spectrum, converging in measure. For convergence almost everywhere this is not true.
Kozma, Gady, Olevskii, Alexander
core   +1 more source

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