2 papers
math.CO2026
Tight Hamiltonian Cycles in Uniformly Dense -Graphs
Yaobin Chen, Jie Han, Xizhi Liu
We study minimum degree conditions for tight Hamiltonian cycles in uniformly dense -uniform hypergraphs. We prove that for every , every sufficiently large -dense…
cs.LG2026
PPAPlace: Differentiable Cross-Stage Objectives for Chip Placement Optimization
Ruogu Chen, Jie Han
Macro placement significantly affects a chip's post-route performance, power, and area (PPA). Most placement methods optimize half-perimeter wirelength (HPWL) as the primary object…