Results 41 to 50 of about 1,148,028 (254)

Stage‐Dependent β‐Synuclein Links MRI and Cognitive Decline in Alzheimer's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Synaptic degeneration drives cognitive decline in Alzheimer's disease (AD), but synaptic biomarkers are scarce. Brain‐enriched β‐synuclein emerged as a synaptic damage marker. We investigated its diagnostic, prognostic, and structural correlates across the AD continuum.
Ulaş Ay   +15 more
wiley   +1 more source

General Bounds on Ruin Probabilities [PDF]

open access: yesInsurance: Mathematics and Economics, 1986
In this contribution we consider general bounds ruin probabilities when the claim severity distribution is not exponentially bounded, but in case the moments of the distribution up to a certain order, say r, exist.
R. Kaas, M. Goovaerts, R. Ridder
openaire   +2 more sources

The Speed of Convergence of the Threshold Estimator of Ruin Probability under the Tempered α-Stable Lévy Subordinator

open access: yesMathematics, 2021
In this paper, a nonparametric estimator of ruin probability is introduced in a spectrally negative Lévy process where the jump component is a tempered α-stable subordinator.
Yuan Gao, Honglong You
doaj   +1 more source

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

open access: yesAdvanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara   +8 more
wiley   +1 more source

Practical approaches to the estimation of the ruin probability in a risk model with additional funds

open access: yesModern Stochastics: Theory and Applications, 2015
We deal with a generalization of the classical risk model when an insurance company gets additional funds whenever a claim arrives and consider some practical approaches to the estimation of the ruin probability.
Yuliya Mishura   +2 more
doaj   +1 more source

Ontology‐Aligned Structuring and Reuse of Multimodal Materials Data and Workflows Toward Automatic Reproduction

open access: yesAdvanced Engineering Materials, EarlyView.
Reproduction of stacking fault energy calculations from literature with a semi‐automated large language model‐assisted extraction procedure: extraction of simulation protocol, atomistic structures, computational parameters, and reported results, ontology alignment, knowledge graph construction and, finally, recomputation forvalidation.
Sepideh Baghaee Ravari   +5 more
wiley   +1 more source

Inequalities for the ruin probability in a controlled discrete-time risk process [PDF]

open access: yes, 2009
Ruin probabilities in a controlled discrete-time risk process with a Markov chain interest are studied. To reduce the risk there is a possibility to reinsure a part or the whole reserve. Recursive and integral equations for ruin probabilities are given.
Romera, Rosario, Diasparra, Maikol
core   +1 more source

Some continuity estimates for ruin probability and other ruin-related quantities

open access: yesModern Stochastics: Theory and Applications
In this paper we investigate continuity properties for ruin probability in the classical risk model. Properties of contractive integral operators are used to derive continuity estimates for the deficit at ruin.
Lazaros Kanellopoulos
doaj   +1 more source

Discrete-Time Risk Models with Claim Correlated Premiums in a Markovian Environment

open access: yesRisks, 2021
In this paper we consider a discrete-time risk model, which allows the premium to be adjusted according to claims experience. This model is inspired by the well-known bonus-malus system in the non-life insurance industry.
Dhiti Osatakul, Xueyuan Wu
doaj   +1 more source

Fourier-cosine method for ruin probabilities

open access: yesJournal of Computational and Applied Mathematics, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Kwok-Wing Chau   +2 more
openaire   +3 more sources

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