Search Results - "Abundo, Mario"
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1
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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2
The Randomized First-Hitting Problem of Continuously Time-Changed Brownian Motion
Published in Mathematics (Basel) (01-06-2018)“…LetX(t)be a continuously time-changed Brownian motion starting from a random positionη,S(t)a given continuous, increasing boundary, withS(0)≥0,P(η≥S(0))=1,and…”
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3
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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4
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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5
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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6
The first-passage area of Ornstein-Uhlenbeck process revisited
Published in Stochastic analysis and applications (04-03-2023)“…For Ornstein-Uhlenbeck process starting from we highlight some results about the first-passage time of X(t) through zero and its first-passage area, that is…”
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7
Asymptotic of the running maximum distribution of a Gaussian Bridge
Published in Stochastic analysis and applications (02-11-2023)“…We study the tail behavior of the distribution of the running maximum of a zero mean Gaussian Bridge obtained from a continuous Gaussian process X(t) with by…”
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8
The First-Passage Area of Wiener Process with Stochastic Resetting
Published in Methodology and computing in applied probability (01-12-2023)“…For a one-dimensional Wiener process with stochastic resetting X ( t ) , obtained from an underlying Wiener process X ( t ), we study the statistical…”
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9
On the first-passage times of certain Gaussian processes, and related asymptotics
Published in Stochastic analysis and applications (04-07-2021)“…The first-passage time of a one-dimensional continuous stochastic process starting from through a smooth boundary S(t) is investigated; in particular,…”
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10
On the excursions of drifted Brownian motion and the successive passage times of Brownian motion
Published in Physica A (01-09-2016)“…By using the law of the excursions of Brownian motion with drift, we find the distribution of the nth passage time of Brownian motion through a straight line…”
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11
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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12
An inverse problem for the first-passage place of some diffusion processes with random starting point
Published in Stochastic analysis and applications (01-11-2020)“…We study an inverse problem for the first-passage place of a one-dimensional diffusion process X(t) (also with jumps), starting from a random position Let be…”
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13
An inverse first-passage problem revisited: the case of fractional Brownian motion, and time-changed Brownian motion
Published in Stochastic analysis and applications (03-09-2019)“…We revisit an inverse first-passage time (IFPT) problem, in the cases of fractional Brownian motion, and time-changed Brownian motion. Let X(t) be a one…”
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14
Randomization of a linear boundary in the first-passage problem of Brownian motion
Published in Stochastic analysis and applications (03-03-2020)“…We study an inverse first-passage-time problem for Brownian motion starting from a fixed point x. For let be a randomly perturbed straight line, where is a…”
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15
The mean of the running maximum of an integrated Gauss-Markov process and the connection with its first-passage time
Published in Stochastic analysis and applications (04-05-2017)“…We find explicit formulae for the mean of the running maximum of conditional and unconditional Brownian motion; they are used to obtain the mean, a(t), of the…”
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16
The arctangent law for a certain random time related to one-dimensional diffusions
Published in Stochastic analysis and applications (02-01-2018)“…For a time-homogenous one-dimensional diffusion process X(t), we investigate the distribution of the first instant, after a given time r, at which X(t) exceeds…”
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17
Joint Distribution of First-Passage Time and First-Passage Area of Certain Lévy Processes
Published in Methodology and computing in applied probability (01-12-2019)“…Let be X ( t ) = x − μ t + σ B t − N t a Lévy process starting from x > 0, where μ ≥ 0, σ ≥ 0, B t is a standard BM, and N t is a homogeneous Poisson process…”
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18
One-Dimensional Reflected Diffusions with Two Boundaries and an Inverse First-Hitting Problem
Published in Stochastic analysis and applications (02-11-2014)“…We study an inverse first-hitting problem for a one-dimensional, time-homogeneous diffusion X(t) reflected between two boundaries a and b, which starts from a…”
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19
An inverse first-passage problem for one-dimensional diffusions with random starting point
Published in Statistics & probability letters (2012)“…We consider an inverse first-passage time (FPT) problem for a homogeneous one-dimensional diffusion X ( t ) , starting from a random position η . Let S ( t )…”
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20
A randomized first-passage problem for drifted Brownian motion subject to hold and jump from a boundary
Published in Stochastic analysis and applications (02-01-2016)“…We study an inverse first-passage-time problem for Wiener process X(t) subject to hold and jump from a boundary c. Let be given a threshold S > X(0) ≥ c, and a…”
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