Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Rafael Company Rossi"'
Publikováno v:
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
instname
[EN] Random coupled parabolic partial differential models are solved numerically using random cosine Fourier transform together with non-Gaussian random numerical integration that captures the highly oscillatory behaviour of the involved integrands.
Publikováno v:
Mathematics
Volume 9
Issue 2
Mathematics, 2021, 9(2), 160
UCrea Repositorio Abierto de la Universidad de Cantabria
instname
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Mathematics, Vol 9, Iss 160, p 160 (2021)
Volume 9
Issue 2
Mathematics, 2021, 9(2), 160
UCrea Repositorio Abierto de la Universidad de Cantabria
instname
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Mathematics, Vol 9, Iss 160, p 160 (2021)
[EN] In this paper, we consider random hyperbolic partial differential equation (PDE) problems following the mean square approach and Laplace transform technique. Randomness requires not only the computation of the approximating stochastic processes,
Publikováno v:
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
instname
[EN] This paper deals with the construction of numerical stable solutions of random mean square Fisher-Kolmogorov-Petrosky-Piskunov (Fisher-KPP) models with advection. The construction of the numerical scheme is performed in two stages. Firstly, a se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5269345edc83b721bf13ea8a2440e31
http://hdl.handle.net/10251/163197
http://hdl.handle.net/10251/163197
Publikováno v:
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
instname
[EN] The spatial temporal spreading of a new invasive species in a habitat has interest in ecology and is modeled by a moving boundary diffusion logistic partial differential problem, where the moving boundary represents the unknown expanding front o
Numerical Integral Transform Methods for Random Hyperbolic Models with a Finite Degree of Randomness
Publikováno v:
Mathematics, Vol 7, Iss 9, p 853 (2019)
Mathematics
Volume 7
Issue 9
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Universidad de Alicante (UA)
Mathematics
Volume 7
Issue 9
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Universidad de Alicante (UA)
[EN] This paper deals with the construction of numerical solutions of random hyperbolic models with a finite degree of randomness that make manageable the computation of its expectation and variance. The approach is based on the combination of the ra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0ce3c419af4e281da1103395b572ab7
https://hdl.handle.net/10251/139934
https://hdl.handle.net/10251/139934
Stable Numerical Solutions Preserving Qualitative Properties of Nonlocal Biological Dynamic Problems
Publikováno v:
Abstract and Applied Analysis, Vol 2019 (2019)
Abstr. Appl. Anal.
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
Abstr. Appl. Anal.
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
[EN] This paper deals with solving numerically partial integrodifferential equations appearing in biological dynamics models when nonlocal interaction phenomenon is considered. An explicit finite difference scheme is proposed to get a numerical solut
Publikováno v:
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
instname
[EN] A system of coupled free boundary problems describing American put option pricing under regime switching is considered. In order to build numerical solution firstly a front-fixing transformation is applied. Transformed problem is posed on multid
Publikováno v:
Journal of Computational and Applied Mathematics, 2018, 341, 157-168
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
[EN] The matter of the stability for multidimensional diffusion-advection-reaction problems treated with the semi-discretization method is remaining challenge because when all the stepsizes tend simultaneously to zero the involved size of the problem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c605d07952707ea8448030619ae9d8b
http://hdl.handle.net/10902/18055
http://hdl.handle.net/10902/18055
Publikováno v:
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
instname
[EN] This paper deals with the construction and computation of numerical solutions of a coupled mixed partial differential equation system arising in concrete carbonation problems. The moving boundary problem under study is firstly transformed in a f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::85879c534db0529353a4eb86dc242976
http://hdl.handle.net/10251/121428
http://hdl.handle.net/10251/121428
Publikováno v:
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
instname
[EN] In this paper finite difference methods for pricing American option with rationality parameter are proposed. The irrational exercise policy arising in American options is characterized in terms of a rationality parameter. The model is formulated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9660cafe6566934951ea3e1cad73fc09
https://hdl.handle.net/10251/87841
https://hdl.handle.net/10251/87841