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, 2+2x).
- Premises
- basis_map_A013611 of Riordan array (1, 2+2x).
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, 2+2x).
- 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-8db0a0a17f0ae346· 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-25605b6410c926b9d70b955822dfdf4db1ff2cb0888569699d6ccedda3707a58ea1, 11,749 bytes (3,423 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-c1f0668fd5bd5aaf(real_rooted)n-c1f0668fd5bd5aaf(one_signed_coefficients)n-c1f0668fd5bd5aaf(hadamard_kernel)