Skip to main content

Departmental Colloquia

25 Tuesday Feb 2025
to
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
to
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
to
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
to
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
to
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
20 Monday Jan 2025
to
04:00 PM 05:00 PM

From incidence geometry to quantum mechanics

ABSTRACT Herr and Kwak had recently established sharp estimates for certain exponential sums on the 3 dimensional torus by counting rectangles in the plane....
Venue: B5-311, Yeung Kin Man Academic Building
07 Tuesday Jan 2025
to
04:00 PM 05:00 PM

Steady Contiguous Vortex-Patch Dipole Solutions of the 2D Incompressible Euler Equation

ABSTRACT It is of great mathematical and physical interest to study traveling wave solutions to the 2D incompressible Euler equation in the form of a touching pair of symmetric vortex patches with ...
Venue: Y5-205, Yeung Kin Man Academic Building
10 Tuesday Dec 2024
to
04:00 PM 05:00 PM

$\alpha$-potential games: A new paradigm for $N$-player dynamic games

ABSTRACT Static potential games, pioneered by Monderer and Shapley (1996), are non-cooperative games in which there exists an auxiliary function called static potential function, so that any player...
Venue: Y5-205, Yeung Kin Man Academic Building
03 Tuesday Dec 2024
to
05:00 PM 06:00 PM

Improving the convergence of Markov chains via permutations and projections

ABSTRACT This talk aims at improving the convergence to equilibrium of finite Markov chains via permutations and projections....
Venue: G5-214, Yeung Kin Man Academic Building
26 Tuesday Nov 2024
to
04:00 PM 05:00 PM

Two-phase micropolar fluids: Phase field models and their analysis

ABSTRACT Micropolar fluids are among the simplest cases of fluids with microstructures, where each fluid particle has its own internal rotations....
Venue: G5-214, Yeung Kin Man Academic Building