cybir.core

Core library modules for EKC construction and birational geometry.

• ekc — Birational class orchestrator and result API
• build_gv — BFS pipeline builder for EKC construction
• coxeter — Coxeter group construction and orbit expansion
• patch — CYTools monkey-patching for GV flop tracking
• types — CalabiYauLite, ExtremalContraction, and ContractionType
• graph — Phase adjacency graph
• classify — Contraction classification algorithm
• flop — Wall-crossing formulas and flop construction
• gv — Gopakumar-Vafa invariant utilities
• util — Projection, normalization, and lattice utilities