SONAD 2026: 41st Southern Ontario
Numerical Analysis Day


Friday, May 1, 2026
Department of Computer Science
University of Toronto
Toronto, Ontario, Canada

Room BA1190, 40 Saint George Street, Toronto

Program-at-a-glance:
All talks take place in the Bahen Centre for Information Technology Building, room BA 1190, 40 St. George St, Toronto, Ontario, which is located in the University of Toronto Saint George campus.
9:10 Registration (and some coffee)
9:20 Opening remarks
9:30 Xinwen Ding, University of Toronto
Walk-on-Interfaces: A Monte Carlo Estimator for Elliptic Interface Problem
9:50 Hanno Rein, University of Toronto (invited talk)
Orbits, Chaos, Instabilities, Machine Learning and how to write the fastest N-body code in the world
10:35 break/coffee/cookies
10:55 Fabian Bleitner, McMaster University
Probing the sharpness of bounds related to the Ladyzhenskaya-Prodi-Serrin conditions
11:10 Ray Wu, University of Toronto
Quantization error under high-order convolution smoothing in parabolic PDE models for finance
11:25 Yifan Qu, University of Toronto
Numerical Approximation of Exercise Boundary of American Options
11:40 Lucas Dutton, McMaster University
Using Fixed-Point Approximations to Accelerate Integer Division
11:55 lunch break
13:05 Thanh Huynh, McMaster University
A numerical approach for local isoperimetric partitions
13:20 Shukui Chen, University of Toronto
The univariate adaptive Levin method
13:35 Ricardo Baptista, University of Toronto (invited talk)
Dynamics and Memorization Behaviour of Generative Diffusion Models
14:20 photo
14:25 break/coffee/fruit
14:45 Samira Jamalidinan, McMaster University
Adaptive Retrieval and Shot Selection for Tabular Prediction
15:00 Martin Pham, University of Toronto
WebAssembly for browser-based scientific computing
15:15 Alireza Razavi, University of Toronto
Registration-based Nonlinear Model-Order Reduction for Transonic Aerodynamics
15:30 Khan Enaet Hossain, York University
The Parallel DE-PDE Multicomponent Pollution Optimal Control Approach for Contamination Flows in Porous Media
15:45 short break
15:55 Kimon Fountoulakis, University of Waterloo
Complexity of Classical Acceleration for L1-Regularized PageRank
16:20 Gurpreet Jagdev, Toronto Metropolitan University [not able to attend]
Coherence resonance in motif-embedded neural networks
16:35 Guilherme Macieira de Araujo, University of Waterloo
Parallel-in-iteration optimization using multigrid reduction-in-time
16:50 Zelalem Arega Worku, University of Waterloo
On the Potential and Limits of High-Order Residual Correction Discretizations
17:05 Closing remarks