Results 11 to 20 of about 520,057 (273)

Controlled Discrete-Time Semi-Markov Random Evolutions and Their Applications

open access: yesMathematics, 2021
In this paper, we introduced controlled discrete-time semi-Markov random evolutions. These processes are random evolutions of discrete-time semi-Markov processes where we consider a control. applied to the values of random evolution.
Anatoliy Swishchuk, Nikolaos Limnios
doaj   +1 more source

Probabilistic sampling of finite renewal processes [PDF]

open access: yes, 2011
Consider a finite renewal process in the sense that interrenewal times are positive i.i.d. variables and the total number of renewals is a random variable, independent of interrenewal times.
Antunes, Nelson, Pipiras, Vladas
core   +3 more sources

Entropic Approach to the Detection of Crucial Events

open access: yesEntropy, 2019
In this paper, we establish a clear distinction between two processes yielding anomalous diffusion and 1 / f noise. The first process is called Stationary Fractional Brownian Motion (SFBM) and is characterized by the use of stationary correlation
Garland Culbreth   +2 more
doaj   +1 more source

Placing Urban Renewal in the Context of the Resilience Adaptive Cycle

open access: yesLand, 2023
Resilience thinking provides valuable insights into the dynamics of complex adaptive systems. To achieve resilience in urban systems, it can be fruitful to delve into the intricacies of resilience processes.
Lars Marcus, Johan Colding
doaj   +1 more source

Arti perfomative, rigenerazione urbana e nuove cittadinanze

open access: yesItinera, 2023
This paper is based on the experience gained in European funded research projects. Despite the different objectives pursued by each project, the thread that connects them is the relationship between the performing arts and urban regeneration, in ...
Roberta Paltrinieri
doaj   +1 more source

Behavioral Context Determines Network State and Variability Dynamics in Monkey Motor Cortex

open access: yesFrontiers in Neural Circuits, 2018
Variability of spiking activity is ubiquitous throughout the brain but little is known about its contextual dependance. Trial-to-trial spike count variability, estimated by the Fano Factor (FF), and within-trial spike time irregularity, quantified by the
Alexa Riehle   +6 more
doaj   +1 more source

Strong limit of processes constructed from a renewal process

open access: yesOpen Mathematics, 2023
We construct a family of processes, from a renewal process, that have realizations that converge almost surely to the Brownian motion, uniformly on the unit time interval. Finally, we compute the rate of convergence in a particular case.
Bardina Xavier, Rovira Carles
doaj   +1 more source

Multiparametric Analysis of Urban Environmental Quality for Estimating Neighborhood Renewal Alternatives

open access: yesUrban Planning, 2021
The neighborhood renewal process is an important opportunity to update the built environment; however, major changes to the built environment might decrease spatial performance and environmental quality.
Dalit Shach-Pinsly   +5 more
doaj   +1 more source

The renewal equation in nonlinear approximation

open access: yesМатематичні Студії, 2021
The family of Markov processes are considered in the article. We study the multidimensional renewal equation in nonlinear approximation. The purpose of the work is to find the limit of renewal function.
O.A. Yarova, Ya.I. Yeleyko
doaj   +1 more source

A note on intraday option pricing [PDF]

open access: yes, 2013
Compound renewal processes can be used as an approximate phenomenological model of tick-by-tick price fluctuations. An exact and explicit general formula is derived for the martingale price of a European call option written on a compound renewal process.
Scalas, Enrico, Politi, Mauro
core   +3 more sources

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