{"id":"e-1a3f3b14607279ac","operation":{"index_shift":0,"operation":"preserver_image","operator":"{\"shape\":\"mobius\",\"a\":\"1\",\"b\":\"0\",\"c\":\"1\",\"e\":\"1\",\"schedule\":{\"first_index\":0,\"first_degree\":0,\"step\":1}}"},"operation_detail":"mobius, shift 0","conclusion_id":"n-970f28ded695053c","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":"e3523dbba3c351690e0fea9d198bfc1c6d560ac8de522e5e5411a2ab8bdbf864","verification_polytool":"replayed","verification_lean":"not_attempted","certificate_kind":"preserver_image","certificate_raw_size":17477,"certificate_compressed_size":3439,"conclusion_name":"mobius_x_over_x_plus_one of basis_map_A013609 of Triangle of coefficients of Chebyshev's S(n,x+5) polynomials (exponents of x in increasing order).","claims":[{"claim":"real_rooted","from_index":0,"region":{"lower":{"closed":true,"value":"-1"},"upper":{"closed":false,"value":"-2/3"}}}],"premises":[{"position":0,"node_id":"n-39736a4ef132a31d","role":"sequence","name":"basis_map_A013609 of Triangle of coefficients of Chebyshev's S(n,x+5) polynomials (exponents of x in increasing order).","uses":{"claim":"real_rooted","from_index":0,"region":{"lower":{"closed":false,"value":"-4"},"upper":{"closed":false,"value":"-2"}}},"uses_text":"Every row P_n, n >= 0, is zero or real-rooted with all roots in (-4, -2)"}],"cited_by":[{"node_id":"n-970f28ded695053c","claim":"real_rooted"},{"node_id":"n-970f28ded695053c","claim":"one_signed_coefficients"},{"node_id":"n-970f28ded695053c","claim":"hadamard_kernel"}]}