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Departmental Colloquia

01 Tuesday Apr 2025
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04:00 PM 05:00 PM

Around the convergence problem in mean-field control theory and the associated Hamilton-Jacobi equations

ABSTRACT The aim of this talk is to discuss recent progress on the convergence problem in mean-field control theory and the study of associated nonlinear PDEs....
Venue: Online via Zoom Registration Link: https://cityu.zoom.us/meeting/register/CU2-KG4SQPCKQXdOUQYEBA
24 Monday Mar 2025
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02:00 PM 03:00 PM

On temporal coupled mode theory for isolated resonances in dielectric metasurfaces

ABSTRACT We propose a temporal coupled mode theory approach that allows for coupling/decoupling asymmetry of the resonant modes in 2D dielectric metasurfaces....
Venue: B5-208 Yeung Kin Man Academic Building
21 Friday Mar 2025
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02:00 PM 03:00 PM
Venue: Y5-203 Yeung Kin Man Academic Building
20 Thursday Mar 2025
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05:00 PM 06:00 PM

Finite element schemes and mesh smoothing for geometric evolution problems

ABSTRACT Geometric evolutions can arise as part of reduced models or fundamental building blocks in various applications with moving boundaries and time-dependent domains, such as grain boundaries ...
Venue: B5-311 Yeung Kin Man Academic Building
11 Tuesday Mar 2025
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04:00 PM 05:00 PM

On the VEMs and IFEMs: spaces, complexes and the applications to Maxwell interface problems

ABSTRACT Electromagnetic interface problems widely appear in a lot of engineering applications, such as electric actuators, invasive detection techniques and integrated circuit,which are typically ...
Venue: Online via Zoom Registration Link: https://cityu.zoom.us/meeting/register/3PRHHJrZRa6iT82KGyS2tQ
25 Tuesday Feb 2025
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04:00 PM 05:00 PM

Likelihood asymptotics of stationary Gaussian arrays

ABSTRACT In this talk we will develop the asymptotic likelihood theory for triangular arrays of stationary Gaussian time series depending on a multidimensional unknown parameter....
Venue: B5-208, Yeung Kin Man Academic Building
25 Tuesday Feb 2025
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04:00 PM 05:00 PM

Likelihood asymptotics of stationary Gaussian arrays

ABSTRACT In this talk we will develop the asymptotic likelihood theory for triangular arrays of stationary Gaussian time series depending on a multidimensional unknown parameter....
Venue: B5-208, Yeung Kin Man Academic Building
19 Wednesday Feb 2025
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11:00 AM 12:00 PM

A quasi-incompressible Chan-Hilliard-Darcy model for two-phase flows in porous media

ABSTRACT Two-phase flows in porous media is known as the Muskat problem. The Muskat problem can be ill-posed....
Venue: Online Via Zoom Registration link: https://cityu.zoom.us/meeting/register/TmS8gvazQFOS-n0Z6A293Q
07 Friday Feb 2025
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10:30 AM 11:30 AM

Second-order flow approach for solving variational problems

ABSTRACT In this talk, we introduce a so-called second-order flow approach, a novel computational framework based on dissipative second-order hyperbolic partial differential equations (PDEs) design...
Venue: B5-310, Yeung Kin Man Academic Building
21 Tuesday Jan 2025
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04:00 PM 05:00 PM

Convergence Rates of Robust Limit Theorems under Peng’s Nonlinear Expectations: A Monotone Scheme Analysis

ABSTRACT The Feynman-Kac formula establishes the probabilistic representation of solutions to PDEs, linking the convergence of numerical schemes for PDEs to limit theorems in probability theory....
Venue: Online via Zoom Registration Link: https://cityu.zoom.us/meeting/register/bpnT8g2PSk6N29XH5gRHrw