Search Results - "Pirozzi, Enrica"
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Mittag–Leffler Fractional Stochastic Integrals and Processes with Applications
Published in Mathematics (Basel) (01-10-2024)“…We study Mittag–Leffler (ML) fractional integrals involved in the solution processes of a system of coupled fractional stochastic differential equations. We…”
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2
Some Fractional Stochastic Models for Neuronal Activity with Different Time-Scales and Correlated Inputs
Published in Fractal and fractional (01-01-2024)“…In order to describe neuronal dynamics on different time-scales, we propose a stochastic model based on two coupled fractional stochastic differential…”
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3
On a Fractional Stochastic Risk Model with a Random Initial Surplus and a Multi-Layer Strategy
Published in Mathematics (Basel) (01-02-2022)“…The paper deals with a fractional time-changed stochastic risk model, including stochastic premiums, dividends and also a stochastic initial surplus as a…”
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4
A Symmetry-Based Approach for First-Passage-Times of Gauss-Markov Processes through Daniels-Type Boundaries
Published in Symmetry (Basel) (01-02-2020)“…Symmetry properties of the Brownian motion and of some diffusion processes are useful to specify the probability density functions and the first passage time…”
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5
Time-Non-Local Pearson Diffusions
Published in Journal of statistical physics (01-06-2021)“…In this paper we focus on strong solutions of some heat-like problems with a non-local derivative in time induced by a Bernstein function and an elliptic…”
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6
Integrated stationary Ornstein–Uhlenbeck process, and double integral processes
Published in Physica A (15-03-2018)“…We find a representation of the integral of the stationary Ornstein–Uhlenbeck (ISOU) process in terms of Brownian motion Bt; moreover, we show that, under…”
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7
Fractional Ornstein-Uhlenbeck Process with Stochastic Forcing, and its Applications
Published in Methodology and computing in applied probability (01-03-2021)“…We consider a fractional Ornstein-Uhlenbeck process involving a stochastic forcing term in the drift, as a solution of a linear stochastic differential…”
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Asymptotic Results for the Absorption Time of Telegraph Processes with Elastic Boundary at the Origin
Published in Methodology and computing in applied probability (01-09-2021)“…We consider a telegraph process with elastic boundary at the origin studied recently in the literature (see e.g. Di Crescenzo et al. (Methodol Comput Appl…”
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9
Non-local Solvable Birth–Death Processes
Published in Journal of theoretical probability (01-06-2022)“…In this paper, we study strong solutions of some non-local difference–differential equations linked to a class of birth–death processes arising as discrete…”
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10
On the Estimation of the Persistence Exponent for a Fractionally Integrated Brownian Motion by Numerical Simulations
Published in Fractal and fractional (01-01-2023)“…For a fractionally integrated Brownian motion (FIBM) of order α∈(0,1],Xα(t), we investigate the decaying rate of P(τSα>t) as t→+∞, where τSα=inf{t>0:Xα(t)≥S}…”
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11
On a stochastic neuronal model integrating correlated inputs
Published in Mathematical biosciences and engineering : MBE (01-01-2019)“…A modified LIF-type stochastic model is considered with a non-delta correlated stochastic process in place of the traditional white noise. Two different…”
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12
Generalized Fractional Calculus for Gompertz-Type Models
Published in Mathematics (Basel) (01-09-2021)“…This paper focuses on the construction of deterministic and stochastic extensions of the Gompertz curve by means of generalized fractional derivatives induced…”
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13
On the Integral of the Fractional Brownian Motion and Some Pseudo-Fractional Gaussian Processes
Published in Mathematics (Basel) (01-10-2019)“…We investigate the main statistical parameters of the integral over time of the fractional Brownian motion and of a kind of pseudo-fractional Gaussian process,…”
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14
Skorokhod Reflection Problem for Delayed Brownian Motion with Applications to Fractional Queues
Published in Symmetry (Basel) (01-03-2022)“…Several queueing systems in heavy traffic regimes are shown to admit a diffusive approximation in terms of the Reflected Brownian Motion. The latter is defined…”
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15
On the Construction of Some Fractional Stochastic Gompertz Models
Published in Mathematics (Basel) (01-01-2020)“…The aim of this paper is the construction of stochastic versions for some fractional Gompertz curves. To do this, we first study a class of linear…”
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16
On the Entropy of Fractionally Integrated Gauss–Markov Processes
Published in Mathematics (Basel) (01-11-2020)“…This paper is devoted to the estimation of the entropy of the dynamical system {Xα(t),t≥0}, where the stochastic process Xα(t) consists of the fractional…”
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17
Fractional Queues with Catastrophes and Their Transient Behaviour
Published in Mathematics (Basel) (01-09-2018)“…Starting from the definition of fractional M/M/1 queue given in the reference by Cahoy et al. in 2015 and M/M/1 queue with catastrophes given in the reference…”
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18
Colored noise and a stochastic fractional model for correlated inputs and adaptation in neuronal firing
Published in Biological cybernetics (01-04-2018)“…High variability in the neuronal response to stimulations and the adaptation phenomenon cannot be explained by the standard stochastic leaky integrate-and-fire…”
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19
Fractionally integrated Gauss-Markov processes and applications
Published in Communications in nonlinear science & numerical simulation (01-10-2021)“…•Covariance of the fractional integral of the Brownian motion.•Covariance of the fractional integral of a Ornstein--Uhlenbeck process.•Numerical evaluations of…”
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20
First passage times for some classes of fractional time-changed diffusions
Published in Stochastic analysis and applications (04-07-2022)“…We consider some time-changed diffusion processes obtained by applying the Doob transformation rule to a time-changed Brownian motion. The time-change is…”
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