Výsledky vyhledávání - "Loc H. Nguyen"

The Carleman-based contraction principle to reconstruct the potential of nonlinear hyperbolic equations

Autor: Dinh-Liem Nguyen, Loc H. Nguyen, Trung Truong

We develop an efficient and convergent numerical method for solving the inverse problem of determining the potential of nonlinear hyperbolic equations from lateral Cauchy data. In our numerical method we construct a sequence of linear Cauchy problems

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4708831da0d5b8504fce3471aa4fb8b2
http://arxiv.org/abs/2204.06060

Zobrazit plný text záznamu

A Carleman-based numerical method for quasilinear elliptic equations with over-determined boundary data and applications

Autor: Thuy T. Le, Loc H. Nguyen, Hung V. Tran

We propose a new iterative scheme to compute the numerical solution to an over-determined boundary value problem for a general quasilinear elliptic PDE. The main idea is to repeatedly solve its linearization by using the quasi-reversibility method wi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2aa649f9b2ab28055ad1838eb8bfb56b
http://arxiv.org/abs/2108.07914

Zobrazit plný text záznamu

Carleman estimates and the contraction principle for an inverse source problem for nonlinear hyperbolic equation

Autor: Loc H Nguyen, Michael V Klibanov

The main aim of this paper is to solve an inverse source problem for a general nonlinear hyperbolic equation. Combining the quasi-reversibility method and a suitable Carleman weight function, we define a map of which fixed point is the solution to th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6802cc52799f24ceefa773b6f0c3e47f

Zobrazit plný text záznamu

Carleman contraction mapping for a 1D inverse scattering problem with experimental time-dependent data

Autor: Thuy T Le, Michael V Klibanov, Loc H Nguyen, Anders Sullivan, Lam Nguyen

Publikováno v: Inverse Problems. 38:045002

It is demonstrated that the contraction mapping principle with the involvement of a Carleman weight function works for a coefficient inverse problem for a 1D hyperbolic equation. Using a Carleman estimate, the global convergence of the corresponding

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::297f9cb419d6d19461c59d56adfe3fe8
https://doi.org/10.1088/1361-6420/ac50b8

Zobrazit plný text záznamu

Calculating the impact of COVID-19 pandemic on child abuse and neglect in the U.S

Autor: Loc H. Nguyen

Publikováno v: Child Abuse & Neglect. 118:105136

COVID-19 has had a major impact on child abuse and neglect (CAN) in the U.S. leading to a change in the number of reported screened-in CAN investigations, missed prevention cases, and missed CAN cases.To estimate the deficit number of CAN investigati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e67a80dee5e48c58a6059c29193f7e8
https://doi.org/10.1016/j.chiabu.2021.105136

Zobrazit plný text záznamu

A two-step efficient preparation of a renewable dicarboxylic acid monomer 5,5′-[oxybis(methylene)]bis[2-furancarboxylic acid] from d-fructose and its application in polyester synthesis

Autor: Saad M. Jamal, Loc H. Nguyen, Ananda S. Amarasekara, Nnaemeka C. Okorie

Publikováno v: Green Chemistry. 19:1570-1575

D-Fructose was converted to the dialdehyde 5,5′-[oxybis(methylene)]bis[2-furaldehyde] by heating at 110 °C in DMSO with the Dowex 50 W X8 solid acid catalyst in 76% yield without the isolation of the intermediate 5-hydroxymethylfurfural. This dial

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6b1f9fb7161405ee54c981257ff2724e
https://doi.org/10.1039/c6gc03314h

Zobrazit plný text záznamu

Kinetics and mechanism of the solid-acid catalyzed one-pot conversion of d-fructose to 5, 5′-[oxybis(methylene)]bis[2-furaldehyde] in dimethyl sulfoxide

Autor: Ananda S. Amarasekara, Loc H. Nguyen, Raghava R. Kommalapati, Hongbo Du

Publikováno v: SN Applied Sciences. 1

The kinetics and the mechanism of Dowex 50WX8 catalyzed conversion of d-fructose to 5, 5′-[oxybis(methylene)]bis[2-furaldehyde] via the intermediate 5-hydroxymethylfurfural was studied in DMSO. The first order rate constants for two step process wa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e5e56c27aba5750d79e780676e450fc6
https://doi.org/10.1007/s42452-019-0994-2

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání