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 even numbered entries of odd numbered rows of Pascal's triangle A007318.
- Premises
- reversal of Triangle of even numbered entries of odd numbered rows of Pascal's triangle A007318.
sequence: Every row P_n, n >= 1, is zero or real-rooted with all roots in (-inf, 0]
- reversal of Triangle of even numbered entries of odd numbered rows of Pascal's triangle A007318.
- Theorem
- polytool ?
- Lean
- RealRooted
Polynomial.Splits.comp_of_degree_le_one - Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-071bafce12758e6f· 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": 1, "region": { "upper": { "closed": true, "value": "-1" } } }{ "claim": "interlacing", "from_index": 2, "kind": "weak", "orientation": "unordered" }- Certificate
preserver_image, SHA-256b46cc0281a06bd25e68ffe4c2507aa5c4d507a2942a418ef7d38f9e9d0dd8577, 13,044 bytes (3,118 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-9cc539ebe6b7bba5(real_rooted)n-9cc539ebe6b7bba5(one_signed_coefficients)n-9cc539ebe6b7bba5(hadamard_kernel)n-9cc539ebe6b7bba5(interlacing)