Proof step
Affine, reversal and Möbius substitutions (elementary)
Image under a real-rootedness preserver affine, shift 0
- Concludes
- shift_x_plus_one of basis_map_A007318 of Triangle of coefficients of polynomials v(n,x) jointly generated with A207606; see Formula section.
- Premises
- basis_map_A007318 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 (-5, -1)
- basis_map_A007318 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-49989cf3338f5d5b· 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-2564575d103932d8b59fe2a997850751ee7db6aed11273fdf8f034513293a972b78, 26,262 bytes (6,772 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-28552443aa1be378(real_rooted)n-28552443aa1be378(one_signed_coefficients)n-28552443aa1be378(hadamard_kernel)n-28552443aa1be378(interlacing)