3 papers
math.PR2025
The Genealogy of Conditioned Critical Galton--Watson Trees
Jiayan Guo, Wenming Hong
Let be the random family tree associated with the critical Galton--Watson process . Geiger (1999) provided an explicit representation of the law of cond…
math.PR2025
Precise Large Deviations for the Total Population of Heavy-tailed Critical Branching Processes with Immigration
Jiayan Guo, Wenming Hong
We focus on the partial sum of the critical branching process with immigration , when the offspring is regularly varying with index $ν+1…
cs.LG2024
AIGB: Generative Auto-bidding via Conditional Diffusion Modeling
Jiayan Guo, Yusen Huo, Zhilin Zhang +5
Auto-bidding plays a crucial role in facilitating online advertising by automatically providing bids for advertisers. Reinforcement learning (RL) has gained popularity for auto-bid…