Proof step

Geometric basis map (elementary)

Image under a basis map u^k -> P_k A013611

Concludes

Premises

An interpolation operator, companion to A133080.
sequence: Every row P_n, n >= 0, is zero or real-rooted with all roots in (-inf, 0]

Theorem

polytool ?

Checked

polytool replayed · Lean not attempted

Technical details

Step id

e-6a684d73b3b88338 · JSON

Operation

Image under a basis map u^k -> P_k

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

Claims

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

Certificate

basis_map, SHA-256 065a603a0945000140818c370fb2c3e966f67868f492dc6e6909bd7eea0fd6b3, 12,394 bytes (2,336 compressed); download

polytool replayed the certificate when the step was written.

Cited by