Recursive Tension Density

Recursive Tension Density is the density of accumulated computational tension in the substrate, the quantity the book sets in correspondence with classical temperature as its measure of computational activity. In chapter 5's thermodynamic mapping, temperature becomes recursive tension density, heat flow becomes phase drift propagation and free energy becomes available computational capacity; the BPT temperature analog is its average scaled by a computational Boltzmann constant. In chapter 6 it reappears inside the Null Mass Integral, M_n = ∫_V [ℜ(x,τ⦰)/𝒞→² + T⟡(x,τ⦰)/𝒞→² + V⌣(x,τ⦰)/𝒞→²] d³x, where ℜ(x,τ⦰) is the recursive tension density produced by computational evolution [𝕄·𝕃⁻¹·𝕋⁻²], an energy density like the kinetic and gravitational potential energy densities it is added to of collapsing matter over the collapse volume at the collapse time. There it is the ingredient that makes null mass computational rather than material: tension accumulated during collapse becomes mass. Recursive Tension Density connects to BPT Temperature Analog, Null Mass (M_n), Recursive Potential Energy, Phase Drift Propagation and Recursive Tension Dynamics.