Proof step
Affine, reversal and Möbius substitutions (elementary)
Image under a real-rootedness preserver reversal, shift 0
- Concludes
- Triangle read by rows, related to number of permutations of [n] with 0 successions and k rises.
- Premises
- Triangle read by rows, related to number of permutations of [n] with 0 successions and k rises.
sequence: Every row P_n, n >= 1, is zero or real-rooted with all roots in (-inf, 0]
- Triangle read by rows, related to number of permutations of [n] with 0 successions and k rises.
- 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-09e309870f44a6f7· JSON- Operation
- Image under a real-rootedness preserver
{ "index_shift": 0, "operation": "preserver_image", "operator": "{\"shape\":\"reversal\",\"schedule\":{\"first_index\":1,\"first_degree\":2,\"step\":1}}" } - Claims
{ "claim": "real_rooted", "from_index": 1, "region": { "upper": { "closed": true, "value": "0" } } }- Certificate
preserver_image, SHA-25624939679eb7af351cb807bf19780cd507d864e637b4f1b10002ac74a63ef5d6b, 13,830 bytes (3,039 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-09153823987c7e65(one_signed_coefficients)n-09153823987c7e65(hadamard_kernel)n-09153823987c7e65(real_rooted)