Results 81 to 90 of about 276,103 (331)

Study of the Effect of Wind Flow around the Ruin of a Fortified Tower Variously Covered by a Flat Roof: Analysis of the Extreme Values of Exterior Pressure and Surface Friction Coefficients

open access: yesSlovak Journal of Civil Engineering
An analysis of the effect of the covering of a ruin by a flat roof of various sizes and positions is presented. The ruin has almost cube-like proportions, with an open roof plane and an open destroyed corner.
Poliak Martin   +2 more
doaj   +1 more source

On the computation of upper approximations to ultimate ruin probabilities in case of DFR claimsize distributions

open access: yesStatistica, 2007
In the present note we consider the classical continuous time model of the collective theory of risk under the assumption that the claimsize distribution is DFR (decreasing failure rate) so that, according to well known queueing results, the ultimate ...
Luca Barzanti, Corrado Corradi
doaj   +1 more source

The Finite-time Ruin Probabilities of a Bidimensional risk model with Constant Interest Force and correlated Brownian Motions [PDF]

open access: yes, 2013
We follow some recent works to study bidimensional perturbed compound Poisson risk models with constant interest force and correlated Brownian Motions. Several asymptotic formulae for three different type of ruin probabilities over a finite-time horizon ...
Yin, Chuancun, Yuen, Kam C., Zhou, Ming
core  

Advancing Research on Biomaterials and Biological Materials with Scanning Electron Microscopy under Environmental and Low Vacuum Conditions

open access: yesAdvanced Engineering Materials, EarlyView.
Herein, environmental scanning electron microscopy (ESEM) is discussed as a powerful extension of conventional SEM for life sciences. By combining high‐resolution imaging with variable pressure and humidity, ESEM allows the analysis of untreated biological materials, supports in situ monitoring of hydration‐driven changes, and advances the functional ...
Jendrian Riedel   +6 more
wiley   +1 more source

Optimal policies for discrete time risk processes with a Markov chain investment model [PDF]

open access: yes, 2006
We consider a discrete risk process modelled by a Markov Decision Process. The surplus could be invested in stock market assets. We adopt a realistic point of view and we let the investment return process to be statistically dependent over time.
Diasparra, Maikol, Romera, Rosario
core   +1 more source

Tribological Performance of 60NiTi Alloy Under Varying Contact Conditions and Elevated Temperatures in Linear Reciprocating Sliding

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates the tribological response of 60NiTi alloy under dry, water‐lubricated and high‐temperature conditions. The alloy exhibits decreasing wear volume and friction with increasing temperature due to the formation of protective oxide layers. The work clarifies dominant wear mechanisms and demonstrates the suitability of 60NiTi for high‐
Anthony Onyebuchi Okoani   +2 more
wiley   +1 more source

ABOUT RISK PROCESS ESTIMATION TECHNIQUES EMPLOYED BY A VIRTUAL ORGANIZATION WHICH IS DIRECTED TOWARDS THE INSURANCE BUSINESS [PDF]

open access: yesAnnals of the University of Oradea: Economic Science, 2008
In a virtual organization directed on the insurance business, the estimations of the risk process and of the ruin probability are important concerns: for researchers, at the theoretical level, and for the management of the company, as these influence the
Covrig Mihaela, Serban Radu
doaj  

The Compound Binomial Risk Model with Randomly Charging Premiums and Paying Dividends to Shareholders

open access: yesJournal of Applied Mathematics, 2013
Based on characteristics of the nonlife joint-stock insurance company, this paper presents a compound binomial risk model that randomizes the premium income on unit time and sets the threshold for paying dividends to shareholders.
Xiong Wang, Lei He
doaj   +1 more source

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