Jiechen Zhang

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Publications

• The Pareto Secretary Problem
  (with Andrés Cristi and Yilin Kong)
  WINE '26 (preliminary version) · arXiv (extended version)
• Moment Ambiguity and the Limits of Robust Stochastic Optimization
  (with Andrés Cristi and Matteo Russo)
  Preprint: arXiv
• Extremal Spanning Trees in Product Grid Graphs
  Preprint: arXiv
• Spanning-Tree Maximization Forces Isoperimetry in the Square Lattice
  Preprint: arXiv
• On the Informativeness of Moments in Optimal Stopping
  (with José Correa, Andrés Cristi, Vasilis Livanos, and Víctor Verdugo)
  STOC '26 · DOI · MIW '26 · HALG '26 · EC '26 (poster)
• Explicit Universal Bounds for Cumulants via Moments
  Preprint: arXiv · IMS '26 (invited talk, preliminary version)

Notes

• Square Maximality for Spanning Trees of Induced Grid Subgraphs
• Threshold Rules for the Classical Prophet Inequality