Search Results - "Ascione, Giacomo"
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Tychonoff Solutions of the Time-Fractional Heat Equation
Published in Fractal and fractional (01-06-2022)“…In the literature, one can find several applications of the time-fractional heat equation, particularly in the context of time-changed stochastic processes…”
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On the Construction of Some Deterministic and Stochastic Non-Local SIR Models
Published in Mathematics (Basel) (01-12-2020)“…Fractional-order epidemic models have become widely studied in the literature. Here, we consider the generalization of a simple SIR model in the context of…”
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Bulk Behaviour of Ground States for Relativistic Schrödinger Operators with Compactly Supported Potentials
Published in Annales Henri Poincaré (01-06-2024)“…We propose a probabilistic representation of the ground states of massive and massless Schrödinger operators with a potential well in which the behaviour…”
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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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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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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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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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A Semi-Markov Leaky Integrate-and-Fire Model
Published in Mathematics (Basel) (01-11-2019)“…In this paper, a Leaky Integrate-and-Fire (LIF) model for the membrane potential of a neuron is considered, in case the potential process is a semi-Markov…”
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9
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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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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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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A matrix Harnack inequality for semilinear heat equations
Published in Mathematics in engineering (01-01-2023)“…We derive a matrix version of Li & Yau–type estimates for positive solutions of semilinear heat equations on Riemannian manifolds with nonnegative sectional…”
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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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Abstract Cauchy problems for the generalized fractional calculus
Published in Nonlinear analysis (01-08-2021)“…We focus on eventually non-linear abstract Cauchy problems with a generalized fractional derivative in time. First we prove a local existence and uniqueness…”
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On the uniform ergodicity rate of a fractional Ehrenfest urn model
Published in Bollettino della Unione matematica italiana (2008) (01-06-2024)“…In this paper we introduce a fractional generalization of the Ehrenfest urn model by means of the time-change of a continuous-time Ehrenfest urn model via an…”
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The orthotropic p-Laplace eigenvalue problem of Steklov type as p
Published in Journal of mathematical analysis and applications (15-09-2021)“…We study the Steklov eigenvalue problem for the ∞-orthotropic Laplace operator defined on convex sets of RN, with N≥2, considering the limit for p→+∞ of the…”
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A Sojourn-Based Approach to Semi-Markov Reinforcement Learning
Published in Journal of scientific computing (01-08-2022)“…In this paper we introduce a new approach to discrete-time semi-Markov decision processes based on the sojourn time process. Different characterizations of…”
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Credit default swap spreads modeling and forecasting with a stochastic square-root three-factor model
Published in Journal of computational and applied mathematics (01-12-2024)“…In this study, we consider the CIR3 model, a three-factor stochastic model with correlated trends and volatilities for modeling and forecasting credit default…”
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Stability of ground state eigenvalues of non-local Schrödinger operators with respect to potentials and applications
Published in Journal of mathematical analysis and applications (15-11-2023)“…In a first part of this paper we investigate the continuity (stability) of the spectrum of a class of non-local Schrödinger operators on varying the…”
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