Proof step e-7869781294d5f3a8

basis_map A013609 → concludes about basis_map_A013609 of basis-map coefficients of Square array of binomial coefficients T(n,k) = binomial(n,k), n >= 0, k >= 0, read by downward antidiagonals. JSON

Theorem

Geometric basis map (elementary) polytool ?

Operation

Image under a basis map u^k -> P_k

{
  "map": "A013609",
  "operation": "basis_map"
}

Premises

• basis-map coefficients of Square array of binomial coefficients T(n,k) = binomial(n,k), n >= 0, k >= 0, read by downward antidiagonals. (sequence)
  uses: Every row P_n, n >= 1, is zero or real-rooted with all roots in (-inf, 0]

Claims

• { "claim": "real_rooted", "from_index": 1, "region": { "upper": { "closed": true, "value": "0" } } }

Verification and certificate

• polytool: replayed (the certificate replayed when the step was written)
• Lean: not attempted
• certificate: basis_map, SHA-256 16a808962e9d7c62a35f65c57dd540af8c0cc47c86e6bfcc779a8147c6d925d1, 6,855 bytes (1,391 compressed); download JSON

Cited by

• n-c80fa23f7424bb55 (real_rooted)
• n-c80fa23f7424bb55 (one_signed_coefficients)
• n-c80fa23f7424bb55 (hadamard_kernel)