Proof step
Geometric basis map (elementary)
Image under a basis map u^k -> P_k A007318
- Concludes
- shift_x_plus_one of basis_map_A013609 of Triangle read by rows: row n consists of n zeros followed by n!.
- Premises
- basis_map_A013609 of Triangle read by rows: row n consists of n zeros followed by n!.
sequence: Every row P_n, n >= 0, is zero or real-rooted with all roots in (-inf, 0]
- basis_map_A013609 of Triangle read by rows: row n consists of n zeros followed by n!.
- Theorem
- polytool ?
- Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-4f111bce6f012469· JSON- Operation
- Image under a basis map u^k -> P_k
{ "map": "A007318", "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-25664ce9050ea736ad58cfae392f58e167a723b082edd03c13ef99fed6e09a475c3, 10,244 bytes (2,284 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-1916a93c76107e9a(one_signed_coefficients)n-1916a93c76107e9a(hadamard_kernel)n-1916a93c76107e9a(interlacing)n-1916a93c76107e9a(real_rooted)