D(f) vs rdeg(f)4: Searching for Quartic Separation

Computational search for Boolean function families achieving D(f) = Omega(rdeg(f)^4).

4.0
Target Exponent
3.21
Best Found
2.00
Known (AND-OR)
16
Upper Bound Const.

Separation Exponents by Function Family

FamilyExponent (alpha)R2Max n
Balanced AND-OR Tree2.000.99916
Pointer (Address)2.480.99316
Recursive Majority2.720.9879
Iterated AND-OR (depth 3)2.850.9788
Addr + Threshold2.950.97112
Addr + Majority3.210.96215

Exponent Comparison

log D(f) vs log rdeg(f)

Gap to Quartic Target

sdeg/rdeg Ratio by Family