Proof step
Affine, reversal and Möbius substitutions (elementary)
Image under a real-rootedness preserver affine, shift 0
- Concludes
- shift_x_plus_one of shift_x_plus_one of Triangle T(n,k), read by rows given by [1,0,1,0,0,0,0,0,0,...] DELTA [0,1,0,0,0,0,0,0,0,...] where DELTA is the operato…
- Premises
- shift_x_plus_one of Triangle T(n,k), read by rows given by [1,0,1,0,0,0,0,0,0,...] DELTA [0,1,0,0,0,0,0,0,0,...] where DELTA is the operato…
sequence: Every row P_n, n >= 0, is zero or real-rooted with all roots in (-5, -1)
- shift_x_plus_one of Triangle T(n,k), read by rows given by [1,0,1,0,0,0,0,0,0,...] DELTA [0,1,0,0,0,0,0,0,0,...] where DELTA is the operato…
- Theorem
- polytool ?
- Lean
- RealRooted
Polynomial.Splits.comp_of_degree_le_one - Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-8b7bfcfc81c66008· 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": { "lower": { "closed": false, "value": "-6" }, "upper": { "closed": false, "value": "-2" } } }{ "claim": "interlacing", "from_index": 1, "kind": "weak", "orientation": "unordered" }- Certificate
preserver_image, SHA-256571371a16e5e60c9aabb2e5fb3ba1c45b87f392805bd8a21922731992a0efa01, 21,076 bytes (3,748 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-8e2b6cb40f5d380a(real_rooted)n-8e2b6cb40f5d380a(one_signed_coefficients)n-8e2b6cb40f5d380a(hadamard_kernel)n-8e2b6cb40f5d380a(interlacing)