3 papers
math.CA2025
Symmetrization of measures and the one-dimensional Poisson equation with Dirichlet boundary conditions
Christos Papadimitriou
Let \(μ\) be a finite Borel measure on \((-π,π)\). Consider the one-dimensional Poisson equation \(-u''=μ\), where equality holds in the sense of distributions, with Dirichlet boun…
cs.LG2024
Online Stackelberg Optimization via Nonlinear Control
William Brown, Christos Papadimitriou, Tim Roughgarden
In repeated interaction problems with adaptive agents, our objective often requires anticipating and optimizing over the space of possible agent responses. We show that many proble…
cs.CV2024
Masked Generative Story Transformer with Character Guidance and Caption Augmentation
Christos Papadimitriou, Giorgos Filandrianos, Maria Lymperaiou +1
Story Visualization (SV) is a challenging generative vision task, that requires both visual quality and consistency between different frames in generated image sequences. Previous…