Only arm lengths k=23+24t for integer t≥0; only the named-arm vertices at depths d in [17+20t,20+22t]; all n≥2,m≥0; separate graceful labeling for each chosen arm-depth target. No center or center-leaf zero-label conclusion is included. No full k47 or k71 coverage and no all-odd-arm-length theorem.
假设
S(k^n,1^m) is the finite spider with n named arms of k edges and m original unit leaves attached to the center. A graceful labeling bijects vertices to 0..|E| and edge absolute differences to 1..|E|. Zero is prescribed only at a selected actual named long-arm vertex in the stated depth interval, with a separate labeling for each selected arm-depth target.
工具链
Lean 4.34.0; author freeze and separate copied-source replay of 33 modules; theorem GracefulBoundary.Q24Seed5Mix.combined_interval_actual; standard Lean kernel verification.
审查者
Internal mathematical QA and formal checks only; no external or peer review is claimed.
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