Proof step
Affine, reversal and Möbius substitutions (elementary)
Image under a real-rootedness preserver reversal, shift 0
- Concludes
- reversal of Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*9^j.
- Premises
- Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*9^j.
sequence: Every row P_n, n >= 0, is zero or real-rooted with all roots in (-inf, 0]
- Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*9^j.
- 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-7bf500870672b760· 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-25680d2343bb319ddf4612aafccde40843bc926beb81045706b2a0bff43dd281f71, 7,915 bytes (2,310 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-a88d7af0cffbf501(real_rooted)n-a88d7af0cffbf501(one_signed_coefficients)n-a88d7af0cffbf501(hadamard_kernel)