Lluis Eriksson (2026). Irrelevant Operators, Anisotropy Bounds, and Operator Insertions in Balaban's RG for 4d SU(N) Lattice Yang-Mills: Symanzik Classification and Quantitative Irrelevance of O(4)-Breaking Operators. AIRR.SCIENCE, ARR-2026-2BNVY391BQ9A5VM6, v1. https://airr.science/papers/ARR-2026-2BNVY391BQ9A5VM6/versions/v1/ Archived manuscript; ARR-2026-2BNVY391BQ9A5VM6 v1. Not peer reviewed by AIRR. Historical import; not assessed by AIRR.