{"id":"e-ddbb8c4f51a256ae","operation":{"index_shift":0,"operation":"preserver_image","operator":"{\"shape\":\"mobius\",\"a\":\"1\",\"b\":\"0\",\"c\":\"1\",\"e\":\"1\",\"schedule\":{\"first_index\":1,\"first_degree\":2,\"step\":1}}"},"operation_detail":"mobius, shift 0","conclusion_id":"n-257453fbf28c3b7a","premise_count":1,"theorem":"a real affine substitution x -> a x + b (a != 0), the reversal x^d p(1/x) (d >= deg p) and a real Mobius map (c x + e)^d p((a x + b)/(c x + e)) (a e - b c != 0, d >= deg p) map real roots to real roots: a root r of p gives the root (r - b)/a, 1/r (and 0) or (e r - b)/(a - c r) (and -e/c); for an input row that is a polynomial the degree condition holds automatically","lean_route":"fTransform","lean_declarations":["RealRooted.splits_fPolynomial"],"certificate_hash":"73cd15a6a893806c91c4dbd38338d7d443143bc8e8925310dae188aa236b284e","verification_polytool":"replayed","verification_lean":"not_attempted","certificate_kind":"preserver_image","certificate_raw_size":11270,"certificate_compressed_size":2885,"conclusion_name":"mobius_x_over_x_plus_one of Triangle read by rows: t(n,m) = binomial(2*n,2*m) * binomial(n,m).","claims":[{"claim":"real_rooted","from_index":1,"region":{"lower":{"closed":true,"value":"-1"},"upper":{"closed":true,"value":"0"}}}],"premises":[{"position":0,"node_id":"n-b002679da3d71a0f","role":"sequence","name":"Triangle read by rows: t(n,m) = binomial(2*n,2*m) * binomial(n,m).","uses":{"claim":"real_rooted","from_index":1,"region":{"upper":{"closed":true,"value":"0"}}},"uses_text":"Every row P_n, n >= 1, is zero or real-rooted with all roots in (-inf, 0]"}],"cited_by":[{"node_id":"n-257453fbf28c3b7a","claim":"real_rooted"},{"node_id":"n-257453fbf28c3b7a","claim":"one_signed_coefficients"},{"node_id":"n-257453fbf28c3b7a","claim":"hadamard_kernel"}]}