Proof step
Geometric basis map (elementary)
Image under a basis map u^k -> P_k A013611
- Concludes
- basis_map_A013611 of Triangle T(n,k), read by rows, given by (1,1,0,0,0,0,0,0,0,...) DELTA (1,0,0,0,0,0,0,0,0,...) where DELTA is the operator defined in A0849…
- Premises
- Triangle T(n,k), read by rows, given by (1,1,0,0,0,0,0,0,0,...) DELTA (1,0,0,0,0,0,0,0,0,...) where DELTA is the operator defined in A08493…
sequence: Every row P_n, n >= 1, is zero or real-rooted with all roots in (-inf, 0]
- Triangle T(n,k), read by rows, given by (1,1,0,0,0,0,0,0,0,...) DELTA (1,0,0,0,0,0,0,0,0,...) where DELTA is the operator defined in A08493…
- Theorem
- polytool ?
- Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-7b42121ac1319bc3· JSON- Operation
- Image under a basis map u^k -> P_k
{ "map": "A013611", "operation": "basis_map" } - Claims
{ "claim": "real_rooted", "from_index": 1, "region": { "upper": { "closed": true, "value": "0" } } }{ "claim": "interlacing", "from_index": 3, "kind": "weak", "orientation": "unordered" }- Certificate
basis_map, SHA-2569057830ba21af9d401c34cdc0a9ee34bda32d61b961ca434fdc17cd071df65c9, 10,665 bytes (2,357 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-05e1b9bf0c57a81d(real_rooted)n-05e1b9bf0c57a81d(one_signed_coefficients)n-05e1b9bf0c57a81d(hadamard_kernel)n-05e1b9bf0c57a81d(interlacing)