3 papers
math.DG2026
Stability phenomena in Deligne--Mumford compactifications via Morse theory
Changjie Chen
We study the rational homology of the Deligne--Mumford compactification of the moduli space of stable curves via a family of Morse functions, namely t…
math.GT2025
Shortest k-Geodesics on Hyperbolic Surfaces
Changjie Chen
We study the relationship between the lengths of closed geodesics on hyperbolic surfaces and their topological complexity, measured by the self-intersection number. In particular,…
cs.AI2025
Enhancing Demand-Oriented Regionalization with Agentic AI and Local Heterogeneous Data for Adaptation Planning
Seyedeh Mobina Noorani, Shangde Gao, Changjie Chen +1
Conventional planning units or urban regions, such as census tracts, zip codes, or neighborhoods, often do not capture the specific demands of local communities and lack the flexib…