Proof step

Geometric basis map (elementary)

Image under a basis map u^k -> P_k A013610

Concludes

basis_map_A013610 of Pascal-(1,4,1) array.

Premises

Pascal-(1,4,1) array.
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-14634eb9644b375c · JSON

Operation

Image under a basis map u^k -> P_k

{
  "map": "A013610",
  "operation": "basis_map"
}

Claims

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

{
  "claim": "interlacing",
  "from_index": 1,
  "kind": "weak",
  "orientation": "unordered"
}

Certificate

basis_map, SHA-256 31837f8b7b71a4783557c96a349007d282c4481caf5a2442e9145d04d9046548, 14,148 bytes (2,740 compressed); download

polytool replayed the certificate when the step was written.

Cited by