Random walk recurrence polynomials approximate z^n at degree ~sqrt(n) in radially convex domains, connect to Faber polynomials, and yield arbitrary-order dynamic momentum power iteration for non-symmetric matrices.
W eighted sums of certain dependent rando m variables
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Random Walks, Faber Polynomials and Accelerated Power Methods
Random walk recurrence polynomials approximate z^n at degree ~sqrt(n) in radially convex domains, connect to Faber polynomials, and yield arbitrary-order dynamic momentum power iteration for non-symmetric matrices.