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Departmental Colloquia

29 Thursday Aug 2024
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03:00 PM 04:00 PM

Numerical Ergodicity of Monotone SDEs Driven by Multiplicative Noise

ABSTRACT We establish the unique ergodicity of the Markov chain generated by the stochastic theta method (STM) with \theta \in [1/2, 1] for monotone SODEs and SPDEs driven by multiplicative noise....
Venue: Y5-205, Yeung Kin Man Academic Building
12 Wednesday Jun 2024
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11:00 AM 12:00 PM

Optimality of multiscale decompositions in imaging and inverse problems

ABSTRACT The multiscale decomposition of images developed by Tadmor, Nezzar and Vese in 2004 has been extended to other imaging applications and to inverse problems, even in the nonlinear case, by ...
Venue: Y5-302, Yeung Kin Man Academic Building
03 Wednesday Apr 2024
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11:00 AM 12:00 PM

Determination of quasilinear terms from restricted data

ABSTRACT In this talk we will consider the inverse problem of determining a nonlinear term appearing in some class of nonlinear equations....
Venue: Y5-305, Yeung Kin Man Academic Building
20 Wednesday Mar 2024
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03:00 PM 04:00 PM

Conductivity Imaging Using Deep Neural Networks

ABSTRACT Conductivity imaging from various observational data represents one fundamental task in medical imaging....
Venue: B5-210 Yeung Kin Man Academic Building
01 Friday Mar 2024
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04:00 PM 05:00 PM

On nonconforming approximations for a class of semilinear problems

ABSTRACT The a priori and a posteriori error analysis in [1, 3] establishes a unified analysis for different finite element approximations to regular roots of nonlinear partial differential equatio...
Venue: Y5-204, Yeung Kin Man Academic Building
28 Wednesday Feb 2024
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02:30 PM 03:30 PM

Generation of Giant Electromagnetic Fields Using All-Dieletric Nanoresonators

ABSTRACT The wave fields propagating in the presence of small-scaled particles are usually approximated via linear combinations of interacting point-sources (as poles and dipoles)....
Venue: 1507, Li Dak Sum Yip Yio Chin Academic Building
21 Wednesday Feb 2024
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04:00 PM 05:00 PM

Discontinuous Galerkin methods for the numerical simulation of thermo-poroelastic processes

ABSTRACT Poroelasticity inspects the interaction among elastic deformations and fluid flow within a porous material....
Venue: Online via zoom Registration link: https://cityu.zoom.us/meeting/register/tJckcu2hrz0qHdaDoaIEq28jgKV_f4kRKbWA
10 Friday Nov 2023
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04:00 PM 05:00 PM

Understand and control the large-scale circulation of thermal convection

ABSTRACT As the driving force of atmospheric and oceanic circulation, the large-scale circulation (LSC) of thermal convection appears in many natural phenomena on Earth and beyond....
Venue: Y5-203, Yeung Kin Man Academic Building
20 Friday Oct 2023
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03:00 PM 04:00 PM

Automatic visual inspection for industrial object anomaly detection

ABSTRACT In this talk, I’ll introduce the problem of anomaly detection in computer vision....
Venue: B5-208 Yeung Kin Man Academic Building
27 Tuesday Jun 2023
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10:00 AM 11:00 AM

Inverse source problem for the Boltzmann equation

ABSTRACT Cosmic Microwave Background (CMB) is the thermal radiation remnant from the Big Bang. It is a primary source of information regarding the early universe....
Venue: B5-309, Yeung Kin Man Academic Building