Proof step
Affine, reversal and Möbius substitutions (elementary)
Image under a real-rootedness preserver reversal, shift 0
- Concludes
- reversal of Triangle T(n,k) with diagonals T(n,n-k) = binomial(n, 2*k).
- Premises
- Triangle T(n,k) with diagonals T(n,n-k) = binomial(n, 2*k).
sequence: Every row P_n, n >= 1, is zero or real-rooted with all roots in (-inf, 0]
- Triangle T(n,k) with diagonals T(n,n-k) = binomial(n, 2*k).
- 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-a6075dd8042a5504· JSON- Operation
- Image under a real-rootedness preserver
{ "index_shift": 0, "operation": "preserver_image", "operator": "{\"shape\":\"reversal\",\"schedule\":{\"first_index\":1,\"first_degree\":0,\"step\":1}}" } - Claims
{ "claim": "real_rooted", "from_index": 1, "region": { "upper": { "closed": true, "value": "0" } } }- Certificate
preserver_image, SHA-25680f50822ab8a7e0ec48d5e0c2e07edaa7948fa81bfc55edba538b1d417331ee4, 9,702 bytes (2,636 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-eb1314dd9b4fafe6(real_rooted)n-eb1314dd9b4fafe6(one_signed_coefficients)n-eb1314dd9b4fafe6(hadamard_kernel)