Optimal energy for Dirichlet repairs in divisor bands
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Abstract
We construct finite arithmetic corrections that impose an exact complex Dirichlet value using a prescribed band of divisor coordinates. For q = 1/2 − a + iT, 0 < a < 1/2, and the critical Bernoulli penalty ω(r) = r log²(er), the minimum energy for value t on N < r ≤ 2N is of order |t|² N^(3−2a) log²(eN), with explicit constants and onset independent of T. The minimizing correction has complete native norm O_a(|t| N^(−a)) and first absolute coefficient moment O_a(|t| N^(3/2−a)). Applied to native approximants at a smaller scale, it gives actual finite anchored and q-null trials with energy O_a(N^(3−a) log²(eN)) and an explicit approximation bound relative to the best native trial at the smaller scale. At a specified height-dependent cutoff, their complete compensated mean, including its boundary term, is O_a(N^(−3/2−5a/2)). The approximation limit is the optimal native distance, uniformly in T.
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