Proof step
Affine, reversal and Möbius substitutions (elementary)
Image under a real-rootedness preserver mobius, shift 0
- Concludes
- mobius_x_over_x_plus_one of basis_map_A013611 of Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*3^j.
- Premises
- basis_map_A013611 of Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*3^j.
sequence: Every row P_n, n >= 0, is zero or real-rooted with all roots in (-inf, 0]
- basis_map_A013611 of Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*3^j.
- Theorem
- polytool ?
- Lean
- RealRooted
route
fTransformRealRooted.splits_fPolynomial - Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-30a46040fe99d754· JSON- Operation
- Image under a real-rootedness preserver
{ "index_shift": 0, "operation": "preserver_image", "operator": "{\"shape\":\"mobius\",\"a\":\"1\",\"b\":\"0\",\"c\":\"1\",\"e\":\"1\",\"schedule\":{\"first_index\":0,\"first_degree\":2,\"step\":1}}" } - Claims
{ "claim": "real_rooted", "from_index": 0, "region": { "lower": { "closed": true, "value": "-1" }, "upper": { "closed": true, "value": "0" } } }- Certificate
preserver_image, SHA-25671d2bace6a0868987a727e54bcddb1d935a57bd10061c48bab54ce7756004ff7, 8,286 bytes (2,393 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-467652f7158f8190(real_rooted)n-467652f7158f8190(one_signed_coefficients)n-467652f7158f8190(hadamard_kernel)