Proof step
Geometric basis map (elementary)
Image under a basis map u^k -> P_k A013609
- Concludes
- basis_map_A013609 of Triangle of polynomial coefficients related to the series expansions of (1-x)^((-1-2*n)/2).
- Premises
- Triangle of polynomial coefficients related to the series expansions of (1-x)^((-1-2*n)/2).
sequence: Every row P_n, n >= 1, is zero or real-rooted with all roots in (-inf, 0]
- Triangle of polynomial coefficients related to the series expansions of (1-x)^((-1-2*n)/2).
- Theorem
- polytool ?
- Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-74c3fa47dfd1a759· JSON- Operation
- Image under a basis map u^k -> P_k
{ "map": "A013609", "operation": "basis_map" } - Claims
{ "claim": "real_rooted", "from_index": 1, "region": { "upper": { "closed": true, "value": "0" } } }{ "claim": "interlacing", "from_index": 2, "kind": "weak", "orientation": "unordered" }- Certificate
basis_map, SHA-256c8dc56cf6042f40ea4a38a0931c9e9b166b9bf697aeaa4c61afec46d295e2935, 10,257 bytes (2,297 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-67a3afb389f8b05c(real_rooted)n-67a3afb389f8b05c(one_signed_coefficients)n-67a3afb389f8b05c(hadamard_kernel)n-67a3afb389f8b05c(interlacing)