Proof step
Affine, reversal and Möbius substitutions (elementary)
Image under a real-rootedness preserver reversal, shift 0
- Concludes
- reversal of basis_map_A013611 of Riordan array (1/((1-x)(1-3x)),x/((1-x)(1-3x))).
- Premises
- basis_map_A013611 of Riordan array (1/((1-x)(1-3x)),x/((1-x)(1-3x))).
sequence: Every row P_n, n >= 0, is zero or real-rooted with all roots in (-inf, 0]
- basis_map_A013611 of Riordan array (1/((1-x)(1-3x)),x/((1-x)(1-3x))).
- Theorem
- polytool ?
- Lean
- RealRooted
route
reversedRealRooted.X_pow_mul_reverse_eq_zero_or_splits,RealRooted.reflect_eq_zero_or_splits - Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-f296ad9658b604a2· JSON- Operation
- Image under a real-rootedness preserver
{ "index_shift": 0, "operation": "preserver_image", "operator": "{\"shape\":\"reversal\",\"schedule\":{\"first_index\":0,\"first_degree\":0,\"step\":1}}" } - Claims
{ "claim": "real_rooted", "from_index": 0, "region": { "upper": { "closed": true, "value": "0" } } }- Certificate
preserver_image, SHA-2565c4b864044dcfdab8296ba761302995f0f1547d3d6b5a184cf984622c945409a, 17,575 bytes (3,514 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-ee06806b5d758296(real_rooted)n-ee06806b5d758296(one_signed_coefficients)n-ee06806b5d758296(hadamard_kernel)