Proof step
Geometric basis map (elementary)
Image under a basis map u^k -> P_k A013609
- Concludes
- basis_map_A013609 of derivative of basis-map coefficients of Riordan array (1+2x,x(1+x)). shifted by x -> -x + 0
- Premises
- derivative of basis-map coefficients of Riordan array (1+2x,x(1+x)). shifted by x -> -x + 0
sequence: Every row P_n, n >= 0, is zero or real-rooted with all roots in (-inf, 0]
- derivative of basis-map coefficients of Riordan array (1+2x,x(1+x)). shifted by x -> -x + 0
- Theorem
- polytool ?
- Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-7fa3244e9f8ff15c· 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": 2, "kind": "weak", "orientation": "unordered" }- Certificate
basis_map, SHA-256329a08535605bd5de1c4cddf8da897ca9b9452587d8479cfa6f05a5241711c63, 15,424 bytes (2,869 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-80262f13ac3ec25b(real_rooted)n-80262f13ac3ec25b(one_signed_coefficients)n-80262f13ac3ec25b(hadamard_kernel)n-80262f13ac3ec25b(interlacing)