Proof step e-b12bbff1e34cdc3a

basis_map A013611 → concludes about basis_map_A013611 of Triangle of coefficients of polynomials u(n,x) jointly generated with A207607; see the Formula section. JSON

Theorem

Geometric basis map (elementary) polytool ?

Operation

Image under a basis map u^k -> P_k

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

Premises

• Triangle of coefficients of polynomials u(n,x) jointly generated with A207607; see the Formula section. (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" } } }
• { "claim": "interlacing", "from_index": 1, "kind": "weak", "orientation": "unordered" }

Verification and certificate

• polytool: replayed (the certificate replayed when the step was written)
• Lean: not attempted
• certificate: basis_map, SHA-256 b4bb7e6c7709ce41f06556f7f3999c6033208824f135b79b8c5cf2f669673af7, 13,451 bytes (2,554 compressed); download JSON

Cited by

• n-b85d9f7216f04287 (interlacing)
• n-b85d9f7216f04287 (real_rooted)
• n-b85d9f7216f04287 (one_signed_coefficients)
• n-b85d9f7216f04287 (hadamard_kernel)