Graph-Represented Methods

Phenomena-Based Graphs for Chemical Process Simulation

A note on Cortés-Peña and Zavala's phenomena-based graph representation for flowsheet simulation, where nonlinear thermodynamic blocks are separated from process-wide linear material and energy balance solves.

Phenomena-based graph representations and applications to chemical process simulation

Feasible GNN Bounds for Exact Max-Cut Branch-and-Bound

A note on a Max-Cut solver that replaces repeated SDP relaxation solves with a feasibility-preserving GNN surrogate, keeping branch-and-bound correctness by constructing dual-feasible upper bounds.