
{"id":114,"date":"2016-09-07T10:48:21","date_gmt":"2016-09-07T14:48:21","guid":{"rendered":"http:\/\/pages.charlotte.edu\/loc-nguyen\/?page_id=114"},"modified":"2026-03-04T12:27:08","modified_gmt":"2026-03-04T17:27:08","slug":"talks","status":"publish","type":"page","link":"https:\/\/pages.charlotte.edu\/loc-nguyen\/talks\/","title":{"rendered":"Talks"},"content":{"rendered":"<div class=\"page\" style=\"text-align: left\" title=\"Page 4\">\u00a0<\/div>\n<div class=\"page\" style=\"text-align: left\" title=\"Page 4\">\n<h4><strong style=\"color: initial\">Organizing<\/strong><\/h4>\n<ol>\n<li>Special Section on &#8220;Control, PDEs, and Inverse Problems&#8221;, 2024 Fall Southeastern Sectional Meeting, Southern Georgia University, Savannah, GA, October 5-6, 2024.<\/li>\n<li>Special Section on &#8220;Recent Advances in Differential Equations and Applications&#8221;, SIAM SouthEastern Atlantic Section Annual Meeting, Virginia Tech, Blacksburg, VA, March 25-26, 2023.<\/li>\n<li>Special Section on &#8220;Recent Developments on Analysis and Computation for Inverse Problems for PDEs&#8221;, Spring Southeastern Sectional Meeting &#8211; AMS,\u00a0 Georgia Institute of Technology, Atlanta, GA, March 18-19, 2023.<\/li>\n<li>Special Section on &#8220;Recent Developments in Inverse Problems for PDEs and Applications&#8221;, Fall Western Sectional Meeting &#8211; AMS, University of Utah, Salt Lake City, UT, October 22-23, 2022.<\/li>\n<li>Special Section on &#8220;Recent advances in inverse problems for PDEs&#8221; AMS Fall Western Virtual Sectional Meeting, 2021.<\/li>\n<li>Mini-symposium on &#8220;Recent developments on Partial Differential Equations and Applications&#8221;, SIAM Southeastern Atlantic Section Conference, 2021.<\/li>\n<li>Special Section on &#8220;Recent developments on Analysis and Computation for Inverse Problems for PDEs&#8221; AMS Spring Southeastern Virtual Sectional Meeting, 2021.<\/li>\n<li>Special Section on &#8220;The Analysis of Inverse Problems and Their Applications&#8221;. AMS Fall Southeastern Sectional Meeting, Raleigh, NC, November, 2016.<\/li>\n<\/ol>\n<\/div>\n<h4 class=\"page\" style=\"text-align: left\" title=\"Page 4\"><strong>Seminar and Colloquium Talks<\/strong><\/h4>\n<ol>\n<li><em>Carleman-Weighted Global Reconstruction for 3D Inverse Scattering with Partial Boundary Data<\/em>, Nonlinear PDE seminar, Texas A&amp;M University, March 2026.<\/li>\n<li><em>The Carleman Convexification Method for a 3D Phaseless Inverse Scattering Problem<\/em>, Applied Math seminar, Kansas State University, April, 2025.<\/li>\n<li><em>A Convexification-based approach for solving the 3D inverse scattering problem, <\/em>Math seminar at NC State University, February, 2025.<\/li>\n<li><em>The inverse scattering problem with experimental data<\/em>, Applied Math seminar at University of North Carolina Greensboro, April 3, 2023.\u00a0<\/li>\n<li><em>The convexification method for the 3D inverse scattering problem, <\/em>Colloquium, University of Idaho, October 2022 (<a href=\"https:\/\/www.dropbox.com\/s\/ynjy1aliyyoac7d\/main_1.pdf?dl=0\">pdf<\/a>).<\/li>\n<li><em>Carleman estimates, the convexification method for PDEs and applications in inverse problems,<\/em> May 2022, dien giai toan hoc, in Vietnamese.\u00a0 (<a href=\"https:\/\/seminartoanhoc.wordpress.com\/2022\/02\/19\/dien-giai-toan-hoc-so-2-nam-hoc-2021-2022\/\">link<\/a>)\u00a0<\/li>\n<li><em>The Carleman-based convexification approach for the 3D inverse scattering problem with experimental data<\/em>, PDE &amp; GA seminar at University of Wisconsin Madison, April 2022.<\/li>\n<li><em>Carleman estimates and their applications<\/em>, Applied Math Seminar, Kansas State University, Manhattan, KS, 2021.<\/li>\n<li><em>Numerical solution to the linearized travel time tomography problem with incomplete data<\/em>, PDE\/Applied Math Seminar, Indiana University, Bloomington, IN, 2020.<\/li>\n<li><em>A PDE approach for X-ray tomography with incomplete data, <\/em>Colloquium, Tufts University, Medford, MA, February 2019.<\/li>\n<li><em>A numerical method for the inverse tomographic problem with incomplete data: the PDE approach<\/em>, PDE\/Applied Mathematics Seminar, Drexel University, Philadelphia, PA, November 2018.<\/li>\n<li><em>Phased and Phaseless Coefficient Inverse problems using only one direction of incident wave<\/em>, Differential Equation Seminar, North Carolina State University, Raleigh, NC, November 2017.<\/li>\n<li><em>A three sphere inequality and its application to cloaking using complementary media in finite frequency regime<\/em>, Analysis Seminar, Clemson University, March 2016.<\/li>\n<li><em>Mathematical Problems in Bio-medical Imaging and Invisibility Cloak<\/em>, Colloquium, Texas Tech University, Lubbock, Texas, 2015.<\/li>\n<li><em>Diffuse optical tomography and cloaking using complementary media<\/em>, CCMA PDEs and Numerical Methods Seminar Series, Penn State University, State College, 2015.<\/li>\n<li><em>A stable algorithm to reconstruct absorption maps and cloaking using complementary media<\/em>, Applied Math &#8211; PDE Seminar, University of Tennessee, Knoxville, 2015.<\/li>\n<\/ol>\n<h4>Conference talks<\/h4>\n<ol>\n<li><em>The Carleman Convexification Method for a 3D Inverse Scattering Problem<\/em>, 2025 NSF Computational Mathematics Meeting, University of Utah, Salt Lake City, Utah, May 2025.<\/li>\n<li><em>The Carleman-contraction mapping approach for the inverse scattering problem<\/em>, the 42nd SEARCDE, West Virginia University, Morgantown, WV, November 2024.<\/li>\n<li><em>A Carleman based-numerical method for the inverse scattering problem with experimental data<\/em>, NSF CompMath PI Meeting, Seattle, WA, 2024.<\/li>\n<li><em>The time dimensional reduction method to determine the initial conditions without the knowledge of damping coefficients<\/em>, Spring Southeastern Sectional Meeting, Florida State University, Tallahassee, FL, March 2024.\u00a0<\/li>\n<li><em>Numerical differentiation by the polynomial-exponential basis<\/em>, Spring Southeastern Sectional Meeting, Florida State University, Tallahassee, FL, March 2024.<\/li>\n<li>The time dimensional reduction method to determine the initial conditions without the knowledge of damping coefficients, the 41st Southeastern-Atlantic Regional Conference on Differential Equations, Florida A&amp;M University, Tallahassee, FL, November 2023.<\/li>\n<li><em>The time dimensional reduction method to determine the initial conditions without the knowledge of damping coefficients<\/em>, International Symposium on Applied Science, Ho Chi Minh University of Technology, Ho Chi Minh City, Vietnam, October 2023.<\/li>\n<li><em>The dimensional reduction method for solving a nonlinear inverse heat conduction problem with limited boundary data<\/em>, Fall Eastern Sectional Meeting, Buffalo, New York, September 2023.\u00a0<\/li>\n<li><em>The dimensional reduction method for solving a nonlinear inverse heat conduction problem with limited boundary data<\/em>, 10th Vietnam Mathematical Congress, Danang, Vietnam, August 2023.\u00a0<\/li>\n<li><em>Convexification method based on Carleman estimates for Hamilton-Jacobi equations<\/em>, SIAM SouthEastern Atlantic Section Annual Meeting, Virginia Tech, Blacksburg, VA, March 25-26, 2023.<\/li>\n<li><em>Carleman Estimates And The Contraction Principle For An Inverse Source Problem For Nonlinear Hyperbolic Equations<\/em>, Spring Southeastern Sectional Meeting &#8211; AMS,\u00a0Georgia Institute of Technology, Atlanta, GA, March 18-19, 2023.<\/li>\n<li><em>The Carleman-based numerical method for the 3D inverse scattering problem<\/em>, 40th Southeastern-Atlantic Regional Conference on Differential Equations, Raleigh, NC, November 12-13, 2022. (<a href=\"https:\/\/wp.math.ncsu.edu\/searcde2022\/\">link<\/a>)<\/li>\n<li title=\"Page 4\"><em>Reconstructing a space-dependent source term of the Helmholtz equation via the quasi-reversibility method<\/em>, 5th Annual Meeting of the SIAM Texas-Louisiana Section, Houston, Texas, November 4-6, 2022 (<a href=\"https:\/\/www.math.uh.edu\/siamtxla22\">link<\/a>).<\/li>\n<li><em>The Carleman-based contraction principle to reconstruct the potential of nonlinear hyperbolic equations<\/em>, Fall Western Sectional Meeting &#8211; AMS, University of Utah, Salt Lake City, UT, October 22-23, 2022 (<a href=\"http:\/\/www.ams.org\/meetings\/sectional\/2295_program.html\">link<\/a>) (<a href=\"https:\/\/www.dropbox.com\/s\/01arw17r20ac26v\/main.pdf?dl=0\">pdf<\/a>).<\/li>\n<li><em><span dir=\"ltr\" role=\"presentation\">An inverse space-dependent source problem <\/span><span dir=\"ltr\" role=\"presentation\">for hyperbolic equations and the Lipschitz like <\/span><\/em><span dir=\"ltr\" role=\"presentation\"><span dir=\"ltr\" role=\"presentation\"><em>convergence of the quasi-reversibility method<\/em>, <\/span><\/span>International Conference on Differential Equations and Applications, <span dir=\"ltr\" role=\"presentation\">Hanoi, Vietnam, August 2022, (<a href=\"http:\/\/math.ac.vn\/conference\/PDE2021\/index.php?option=com_content&amp;view=article&amp;id=104:home-pde&amp;catid=78:conference&amp;Itemid=435&amp;lang=en\">link<\/a>) (<a href=\"https:\/\/www.dropbox.com\/s\/jyt2d8qsmz70j8m\/Presentation.pdf?dl=0\">pdf<\/a>).<\/span><\/li>\n<li><em>The Carleman convexification method for Hamilton-Jacobi equations<\/em>, Summer meeting, Saigon University, Ho Chi Minh City, Vietnam, July 2022. (<a href=\"https:\/\/seminartoanhoc.wordpress.com\/2022\/04\/26\/summer-meeting-2022-gap-go-mua-he-2022-second-announcement\/\">link<\/a>, <a href=\"https:\/\/www.dropbox.com\/s\/oocptke3aafrl4c\/Presentation.pdf?dl=0\">pdf<\/a>)<\/li>\n<li><em><span dir=\"ltr\" role=\"presentation\">A Carleman-based contractive method for <\/span><span dir=\"ltr\" role=\"presentation\">PDEs and applications in nonlinear inverse <\/span><\/em><span dir=\"ltr\" role=\"presentation\"><em>problems<\/em>, Workshop on PDE and related topics, VIASM, Hanoi, Vietnam, July 2022. (<a href=\"https:\/\/viasm.edu.vn\/en\/hdkh\/pde2022\">link<\/a>, <a href=\"https:\/\/www.dropbox.com\/s\/kikkcrqhznxfc6f\/Presentation_HaNoi2022.pdf?dl=0\">pdf<\/a>)<\/span><\/li>\n<li><em>A convexification approach for the 3D inverse scattering problem via a Carleman estimate,<\/em> 6th International Virtual Workshop on Nonlinear and Modern Mathematical Physics, Florida A&amp;M University, Tallahassee, June 2022. (<a href=\"https:\/\/sites.google.com\/view\/nnmp-famu-fl\/home\">link<\/a>)<\/li>\n<li><em>A Carleman-Based Numerical Method for An Inverse Source Problem for Nonlinear Hyperbolic Equations,<\/em> Virtual SIAM Conferences on Imaging Science, March 21-25, 2022.<\/li>\n<li><em><span class=\" aw5Odc\">The Carleman estimates, the convexification method, and its applications in Hamilton-Jacobi equations and the inverse scattering problem,\u00a0<\/span><\/em><span class=\" aw5Odc\">Workshop series in Applied Mathematics, Ho Chi Minh, Vietnam, March 16-17, 2022.<\/span><\/li>\n<li><em>The gradient descent method for the convexification to solve boundary value problems of quasi-linear PDEs and a coefficient inverse problem<\/em>, AMS Fall Western Virtual Sectional Meeting, October 2021.<\/li>\n<li><em>Carleman estimates and the contraction principle for an inverse source problem for nonlinear hyperbolic equations<\/em>, 6th Annual Meeting of SIAM Central States Section, October 2021.<\/li>\n<li><em>Numerical viscosity solutions to Hamilton-Jacobi equations via a Carleman estimate and the convexification method,\u00a0<\/em>SIAM Southeastern Atlantic Section Conference, September 2021.<\/li>\n<li><em>Numerical solutions to the linearized travel time tomography problem with incomplete data,\u00a0<\/em>AMS Spring Southeastern Virtual Sectional Meeting, 2021.<\/li>\n<li><em>A convergent numerical method to recover the initial condition of nonlinear parabolic equations from lateral Cauchy data<\/em>, Conference on Analysis and Applied Mathematics, SaiGon University, Ho Chi Minh City, Vietnam, December, 2020.<\/li>\n<li><em>Numerical solution to the linearized travel time tomography problem with incomplete data<\/em>, Applied Math Seminar, Kansas State University, Manhattan, KS, 2020.<\/li>\n<li><em><em>A Numerical Method for an Inverse Source Problem for Parabolic Equations and its Application to a Coefficient Inverse Problem,<\/em><\/em> The 5th Annual Meeting of SIAM Central States Section, Ames, Iowa, October 2019.<\/li>\n<li><em>A convergent numerical method for a multi-frequency inverse source problem in inhomogeneous media,\u00a0<\/em>Summer meeting, Ho Chi Minh City, Vietnam, 2019.<\/li>\n<li><em>A numerical method inverse source problem for hyperbolic equations by using the quasi-reversibility method<\/em>,\u00a0The 9th International Conference &#8220;Inverse Problems: Modeling and Simulation, Malta, May 2018.<\/li>\n<li><em>A numerical method to solve an inverse source problem for wave equations<\/em>,\u00a0International Conference on Mathematics and Statistic, Memphis, Tennessee, May 2018.<\/li>\n<li><em>A phaseless coefficient inverse problem with applications in nano-imaging<\/em>, 42nd SIAM Southeastern Atlantic Section Conference, Chapel Hill, NC, March 2018.<\/li>\n<li><em>Phaseless Scattering and Global Convergence\u00a0for Coefficient Inverse Problems,\u00a0<\/em>SIAM Conference on Analysis of Partial Differential Equations, Baltimore, Maryland, USA, December 2017.<\/li>\n<li><em>A globally convergent numerical method for a 1-d inverse medium problem with experimental data,\u00a0<\/em>AMS Fall Southeastern Sectional Meeting, Raleigh, NC, November, 2016.<\/li>\n<li><em>A three sphere inequality and its applications to cloaking in the finite frequency regime<\/em>, SIAM Conference on Mathematical Aspect of Materials Science, Philadelphia, May 2016.<\/li>\n<li><em>Inverse Scattering Problems without the Phase Information<\/em>, SIAM Conference on Mathematical Aspect of Materials Science, Philadelphia, May 2016.<\/li>\n<li><em>Rigorous numerical solutions for inverse scattering problem without the phase information<\/em>, AMS Fall Southeastern Sectional Meeting, Memphis, TN, October 2015.<\/li>\n<li><em>Cloaking and Illusion optics using complementary media in finite frequency regime<\/em>, CIMPA Research School, Mathematical and Statistical Methods for Imaging, Institut Teknologi Bandung, Indonesia, 2014.<\/li>\n<li><em>Exact reconstruction of electromagnetic parameters from multi-frequency hybrid data<\/em>, CIMPA Research School, Mathematical and Statistical Methods for Imaging, Institut Teknologi Bandung, Indonesia, 2014.<\/li>\n<li><em>Illusion optics using complementary media in finite frequency regime<\/em>, Seoul ICM Satellite Conference, Imaging, Multi-scale and high contrast PDEs, 2014.<\/li>\n<li><em>A three sphere inequality motivated from cloaking using complementary media in finite frequency regime<\/em>, VIASM &#8211; Some Mathematical Problems related to Electromagnetic Waves, Hanoi, Vietnam 2014.<\/li>\n<li><em>Micro &#8211; Electrical Impedance Tomography<\/em>, the 10th AIMS, Madrid, Spain, 2014.<\/li>\n<li><em>Cloaking Using Complementary Media in Finite Frequency Regime<\/em>, the 10th AIMS, Madrid, Spain, 2014.<\/li>\n<li><em>Resonance behavior of electric fields in media made of negative index materials<\/em>, Vietnam National University at Hochiminh city, 2014.<\/li>\n<li><em>Ultrasound-modulated Optical Tomography: A Nonlinear Model<\/em>, SIAM Conference on Analysis of Partial Differential Equations, Orlando, FL, 2013.<\/li>\n<li><em>An exact reconstruction formula in quantitative thermo-acoustic imaging, seminaire d\u2019analyse<\/em>, \u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne, 2013.<\/li>\n<li>\n<div class=\"page\" title=\"Page 3\">\u00a0<em>Obstacle detection using spherical Radon transform and an acousto-opticprocess<\/em>, Applied Inverse Problem,\u00a0Conference, Daejeon, Korea, 2013.<\/div>\n<\/li>\n<li>\n<div class=\"page\" title=\"Page 3\"><em>A reconstruction algorithm for ultrasound-modulated optical tomography<\/em>, Applied Inverse Problem Conference, Daejeon, Korea, 2013.<\/div>\n<\/li>\n<li>\n<div class=\"page\" title=\"Page 3\"><em>Singular elliptic problems and sub-supersolution theorems<\/em>, Pusan National University, Korea, 2013.<\/div>\n<\/li>\n<li>\n<div class=\"page\" title=\"Page 3\"><em>Exact reconstruction formula in hybrid imaging<\/em>, Meeting on Imaging, \u00c9cole Normale Superieure Paris,\u00a02013.<\/div>\n<\/li>\n<li>\n<div class=\"page\" title=\"Page 3\"><em>Quantitative thermo-acoustic imaging: An exact reconstruction formula<\/em>, the 9th AIMS, Orlando, FL,\u00a02012.<\/div>\n<\/li>\n<li>\n<div class=\"page\" title=\"Page 3\"><em>Bernstein-Nagumo conditions and solutions to nonlinear differential inequalities<\/em>, the 9th AIMS, Orlando,\u00a0FL, 2012.<\/div>\n<\/li>\n<li>\n<div class=\"page\" title=\"Page 3\"><em>Bounds on the volume fraction of 2-phase, 2-dimensional elastic bodies and on (stress, strain) pairs in\u00a0composites<\/em>, Methodes mathematiques pour l\u2032imagerie, ENS at Paris, 2011.<\/div>\n<\/li>\n<li>\n<div class=\"page\" title=\"Page 3\"><em>Applications of Sub-supersolution theorems to singular nonlinear elliptic problems<\/em>, AMS Western Section\u00a0Meeting, Las Vegas, NV, 2011.<\/div>\n<\/li>\n<li>\n<div class=\"page\" title=\"Page 3\"><em>Boundary value problems for singular elliptic equations<\/em>, Joint Mathematics Meetings, New Orleans,\u00a0LA, 2011.<\/div>\n<\/li>\n<li>\n<div class=\"page\" title=\"Page 3\"><em>Existence of solutions to singular elliptic equations<\/em>, Applied mathematics seminar, University of Utah,\u00a02010.<\/div>\n<\/li>\n<li class=\"page\" title=\"Page 3\"><em>On positive solutions of quasilinear elliptic equations<\/em>, Summer Meeting, Vietnam National University, at Hochiminh City, 2008.<\/li>\n<\/ol>\n<h4>\u00a0<\/h4>\n<div class=\"page\" style=\"text-align: left\" title=\"Page 4\">\u00a0<\/div>\n<div class=\"page\" style=\"text-align: left\" title=\"Page 4\">\u00a0<\/div>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Organizing Special Section on &#8220;Control, PDEs, and Inverse Problems&#8221;, 2024 Fall Southeastern Sectional Meeting, Southern Georgia University, Savannah, GA, October 5-6, 2024. Special Section on &#8220;Recent Advances in Differential Equations and Applications&#8221;, SIAM SouthEastern Atlantic Section Annual Meeting, Virginia Tech, Blacksburg, VA, March 25-26, 2023. Special Section on &#8220;Recent Developments on Analysis and Computation [&hellip;]<\/p>\n","protected":false},"author":1211,"featured_media":0,"parent":0,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-114","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P6Q8IL-1Q","_links":{"self":[{"href":"https:\/\/pages.charlotte.edu\/loc-nguyen\/wp-json\/wp\/v2\/pages\/114","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pages.charlotte.edu\/loc-nguyen\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pages.charlotte.edu\/loc-nguyen\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pages.charlotte.edu\/loc-nguyen\/wp-json\/wp\/v2\/users\/1211"}],"replies":[{"embeddable":true,"href":"https:\/\/pages.charlotte.edu\/loc-nguyen\/wp-json\/wp\/v2\/comments?post=114"}],"version-history":[{"count":120,"href":"https:\/\/pages.charlotte.edu\/loc-nguyen\/wp-json\/wp\/v2\/pages\/114\/revisions"}],"predecessor-version":[{"id":934,"href":"https:\/\/pages.charlotte.edu\/loc-nguyen\/wp-json\/wp\/v2\/pages\/114\/revisions\/934"}],"wp:attachment":[{"href":"https:\/\/pages.charlotte.edu\/loc-nguyen\/wp-json\/wp\/v2\/media?parent=114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}