Proof step e-6b05245c845c9a6d

basis_map A013609 → concludes about basis_map_A013609 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

• 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 8d3d6caf3a7fffdf0ddecec1d25a3953162a05b9fec5977dd71ed31e1b8b1065, 11,662 bytes (2,190 compressed); download JSON

Cited by

• n-273f45fc84d8c52d (real_rooted)
• n-273f45fc84d8c52d (one_signed_coefficients)
• n-273f45fc84d8c52d (hadamard_kernel)