Proof step
Affine, reversal and Möbius substitutions (elementary)
Image under a real-rootedness preserver affine, shift 0
- Concludes
- shift_x_plus_one of Interpolating the factorial and the powers of 2. Triangle read by rows, T(n, k) for 0 <= k <= n.
- Premises
- Interpolating the factorial and the powers of 2. Triangle read by rows, T(n, k) for 0 <= k <= n.
sequence: Every row P_n, n >= 0, is zero or real-rooted with all roots in (-inf, 0]
- Interpolating the factorial and the powers of 2. Triangle read by rows, T(n, k) for 0 <= k <= n.
- Theorem
- polytool ?
- Lean
- RealRooted
Polynomial.Splits.comp_of_degree_le_one - Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-41b9bfca4966cac3· JSON- Operation
- Image under a real-rootedness preserver
{ "index_shift": 0, "operation": "preserver_image", "operator": "{\"shape\":\"affine\",\"slope\":\"1\",\"intercept\":\"1\"}" } - Claims
{ "claim": "real_rooted", "from_index": 0, "region": { "upper": { "closed": true, "value": "-1" } } }- Certificate
preserver_image, SHA-2564f9310ebd258eb9eea0900ac4f78065369adf7ccb45f686bc939678e097e4c6d, 9,391 bytes (2,540 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-4030d84b09b324a7(real_rooted)n-4030d84b09b324a7(one_signed_coefficients)n-4030d84b09b324a7(hadamard_kernel)