Proof step e-fbe7d9ff429c7042

basis_map A013611 → concludes about basis_map_A013611 of Triangular array T read by rows: T(n,0) = T(n,n) = 1 for all n >= 0, T(n,k) = T(n-1,k-1) + T(n-1,k) for odd n and 1< = k <= n-1, T(n,k) = … JSON

Theorem

Geometric basis map (elementary) polytool ?

Operation

Image under a basis map u^k -> P_k

{
  "map": "A013611",
  "operation": "basis_map"
}

Premises

• Triangular array T read by rows: T(n,0) = T(n,n) = 1 for all n >= 0, T(n,k) = T(n-1,k-1) + T(n-1,k) for odd n and 1< = k <= n-1, T(n,k) = T… (sequence)
  uses: Every row P_n, n >= 0, is zero or real-rooted with all roots in (-inf, 0]

Claims

• { "claim": "real_rooted", "from_index": 0, "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 7159788b834dd49402548930ab079553e9077e6b86c23487b7fc2925faa102c9, 6,929 bytes (1,409 compressed); download JSON

Cited by

• n-9e6509c6075ccb1a (real_rooted)
• n-9e6509c6075ccb1a (one_signed_coefficients)
• n-9e6509c6075ccb1a (hadamard_kernel)