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2023

18 Monday Mar 2024
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02:30 PM 03:30 PM

A direct analytic method leading to Bonnet surfaces

ABSTRACT We characterize the Bonnet surfaces with the single requirement that the mean curvature H of a surface in R^3 admit a reduction to an ordinary differential equation which possesses the Pai...
Venue: Y4302, 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
01 Friday Mar 2024
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11:00 AM 12:00 PM

Lower Eigenvalue Bounds for the Harmoic and Bi-Harmonic Operator

ABSTRACT Recent advances in the nonconforming FEM approximation of elliptic PDE eigenvalue problems include the guaranteed lower eigenvalue bounds (GLB) and its adaptive finite element computation....
Venue: B5-210, 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
27 Tuesday Feb 2024
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02:00 PM 03:00 PM

Theory and practice of self-supervised frame-to-frame video restoration

ABSTRACT Deep-learning techniques represent nowadays the state of the art in image and video restoration....
Venue: B5-210, Yeung Kin Man 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
31 Wednesday Jan 2024
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05:00 PM 06:00 PM

Robust mixed finite element methods for the Biot-Stokes interfacial coupling

ABSTRACT I will discuss discretisations for a fluid-poroelasticity interaction model....
Venue: Online via zoom Registration Link: https://cityu.zoom.us/meeting/register/tJ0lde2orD0jHtOdnAF33jBFYICyDrwN9zpp
25 Thursday Jan 2024
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03:00 PM 04:00 PM

On elliptic and parabolic problems arising from composite materials

ABSTRACT In the presence of closely located inclusions in elastic composite materials consisting of inclusions and a matrix of different material properties, the stress represented by the gradient ...
Venue: Y4702, Yeung Kin Man Academic Building
14 Thursday Dec 2023
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03:00 PM 04:00 PM

Unbiased Langevin Monte Carlo

ABSTRACT Markov chain Monte Carlo (MCMC) is a powerful and well-known class of methods aimed to sample from probability distributions....
Venue: Online Via Zoom Registration Link: https://cityu.zoom.us/meeting/register/tJIud--trzsoE9FcKaLhqYhCvAhMcjX_q5Fj
14 Thursday Dec 2023
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10:00 AM 11:00 AM

Deep Neural Network Approximation via Function Compositions

ABSTRACT Deep neural networks have brought transformative changes in areas such as image recognition and healthcare, yet their underlying theoretical principles remain somewhat elusive....
Venue: Online Via Zoom Registration Link: https://cityu.zoom.us/meeting/register/tJAsf--urjsqHtRrjIq8LPssJwBVloPmBGNs