Higher-order Busy Beaver bounds if standard Busy Beaver is not the limiter
Establish that if physically realizable growth is not bounded by the standard Busy Beaver function BB(n), then it is bounded by a higher-order Busy Beaver function associated with a stronger oracle computational model, yielding analogous physical laws on growth and convergence.
References
(I further conjecture that if growth isn't bounded by the Busy Beaver function itself, it will be bounded by some higher-order Busy Beaver function, leading to similar laws.)
— Bounds on the rates of growth and convergence of all physical processes
(2410.10928 - Ord, 14 Oct 2024) in Conclusions (final paragraph)