Proof step

Geometric basis map (elementary)

Image under a basis map u^k -> P_k A013609

Concludes
shift_x_plus_one of basis_map_A007318 of Coefficients of raising factorial polynomials, T(n,k) = [x^k] p(x, n) where p(x, n) = (m*x + n - 1)*p(x, n - 1) with p…
Premises
Theorem
polytool ?
Checked
polytool replayed · Lean not attempted
Technical details
Step id
e-6a96c1059c15d050 · JSON
Operation
Image under a basis map u^k -> P_k
{
  "map": "A013609",
  "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 95ae26dad1532a72b66700652d8412693010b84b4bd1b550f5d56b45c899dde1, 10,248 bytes (2,290 compressed); download
polytool replayed the certificate when the step was written.
Cited by