Results 81 to 90 of about 444,093 (258)
Advanced Materials Technologies, EarlyView.Phosphorescent biodegradable metasurface showing vibronic selection and spectral photoluminescence narrowing. Anti‐correlation between experimental LDOS and measured lifetimes. ABSTRACT Metasurfaces incorporating phosphorescent emitters offer a route to engineer radiative and vibronic processes beyond chemical design.
Vincenzo Caligiuri +11 more
wiley +1 more source
The Mean and the Variance as Dual Concepts in a Fundamental Duality
AxiomsA basic duality arises throughout the mathematical and natural sciences. Traditionally, logic is thought to be based on the Boolean logic of subsets, but the development of category theory in the mid-twentieth century shows the duality between subsets ...
David Ellerman
doaj +1 more source
On the Moments and the Distribution of Aggregate Discounted Claims in a Markovian Environment
Risks, 2018 This paper studies the moments and the distribution of the aggregate discounted claims (ADCs) in a Markovian environment, where the claim arrivals, claim amounts, and forces of interest (for discounting) are influenced by an underlying Markov process ...
Shuanming Li, Yi Lu
doaj +1 more source
554 The covariance of e(k) = [el(k)e2(k)] is i E{e(k)er(k)}=P(k) =-----.
, 2008 The initial conditions for each estimate are and the initial covariance P(0) is a,(0)=22(0)=E{x(O)} =x0 I Equation (22) can be expanded to yield the transition equations for the submatrices of P(k) shown in (21).
Evolves As, The Covariance
core
General covariance from the perspective of Noether's theorems [PDF]
, 2002 Analysis of Emmy Noether's 1918 theorems provides an illuminating method for testing the consequences of coordinate generality, and for exploring what else must be added to this requirement in order to give general covariance its far-reaching physical ...
Brading, Katherine +2 more
core
Continual Learning for Multimodal Data Fusion of a Soft Gripper
Advanced Robotics Research, EarlyView.Models trained on a single data modality often struggle to generalize when exposed to a different modality. This work introduces a continual learning algorithm capable of incrementally learning different data modalities by leveraging both class‐incremental and domain‐incremental learning scenarios in an artificial environment where labeled data is ...
Nilay Kushawaha, Egidio Falotico
wiley +1 more source
Forecasting Wind Speed Using Climate Variables
ForecastingWind energy in Brazil has been steadily growing, influenced significantly by climate change. To enhance wind energy generation, it is essential to incorporate external climatic variables into wind speed modeling to reduce uncertainties.
Rafael Araujo Couto +2 more
doaj +1 more source
Portfolio risk measurement: the estimation of the covariance of stock returns [PDF]
A covariance matrix of asset returns plays an important role in modern portfolio analysis and risk management. Despite the recent interests in improving the estimation of a return covariance matrix, there remain many areas for further investigation. This
Liu, Lan
core
Consensus Formation and Change are Enhanced by Neutrality
Advanced Science, EarlyView.Neutral agents are shown to enhance both the formation and overturning of consensus in collective decision‐making. A general mathematical model and experiments with locusts and humans reveal that neutrality enables robust consensus via simple interactions and accelerates consensus change by reducing effective population size.
Andrei Sontag +3 more
wiley +1 more source
Imputing Covariance for Meta-Analysis in the Presence of Interaction
Applied SciencesDetecting interactions is a critical aspect of medical research. When interactions are present, it is essential to calculate confidence intervals for both the main effect and the interaction effect.
Enwu Liu, Ryan Yan Liu
doaj +1 more source