4 papers
The Personalization Trap: How User Memory Alters Emotional Reasoning in LLMs
Xi Fang, Weijie Xu, Yuchong Zhang +3
When an AI assistant remembers that Sarah is a single mother working two jobs, does it interpret her stress differently than if she were a wealthy executive? As personalized AI sys…
Coordinated Communication and Inventory Optimization in Multi-Retailer Supply Chains
Sagar Sudhakara, Yuchong Zhang
We consider a multi-retailer supply chain where each retailer can dynamically choose when to share information (e.g., local inventory levels or demand observations) with other reta…
A Bayesian sequential soft classification problem for a Brownian motion's drift
Steven Campbell, Yuchong Zhang
In this note we introduce and solve a soft classification version of the famous Bayesian sequential testing problem for a Brownian motion's drift. We establish that the value funct…
The monoid representation of upho posets and total positivity
Ziyao Fu, Yulin Peng, Yuchong Zhang
We show that all totally positive formal power series with integer coefficients and constant term are precisely the rank-generating functions of Schur-positive upho posets, the…