Proof step
Affine, reversal and Möbius substitutions (elementary)
Image under a real-rootedness preserver affine, shift 0
- Concludes
- shift_x_plus_one of reversal of Triangle of coefficients of polynomials v(n,x) jointly generated with A207606; see Formula section.
- Premises
- reversal of Triangle of coefficients of polynomials v(n,x) jointly generated with A207606; see Formula section.
sequence: Every row P_n, n >= 0, is zero or real-rooted with all roots in (-inf, 0]
- reversal of Triangle of coefficients of polynomials v(n,x) jointly generated with A207606; see Formula section.
- Theorem
- polytool ?
- Lean
- RealRooted
Polynomial.Splits.comp_of_degree_le_one - Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-8353d9cef1eb34a3· 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-256fc8d843d5e45885bb8ca0af535362fa6113f4cdc919b7afc72c4b4c22f717e24, 10,374 bytes (2,881 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-3dd3bd37c05e36d2(real_rooted)n-3dd3bd37c05e36d2(one_signed_coefficients)n-3dd3bd37c05e36d2(hadamard_kernel)