Research #4: Exact Phase-Adversarial Finite-Alphabet Hierarchies — All-User 16-QAM, Global Certificates, and Algorithms
Research #4 consolidates exact results for finite-alphabet superposition under independently adversarial phases. The main manuscript proves the global optimum for every finite number K of square 16-QAM users under unit squared-amplitude normalization: D_K* = delta / sqrt(sum from h=0 to K-1 of (1+3 sqrt(2))^(2h)), wher...