Proof step
Geometric basis map (elementary)
Image under a basis map u^k -> P_k A013611
- Concludes
- basis_map_A013609 of basis_map_A007318 of Triangle of coefficients in expansion of (1+4x)^n.
- Premises
- basis_map_A013609 of Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j).
sequence: Every row P_n, n >= 0, is zero or real-rooted with all roots in (-inf, 0]
- basis_map_A013609 of Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j).
- Theorem
- polytool ?
- Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-7ebfdf409a3e06b0· JSON- Operation
- Image under a basis map u^k -> P_k
{ "map": "A013611", "operation": "basis_map" } - Claims
{ "claim": "real_rooted", "from_index": 0, "region": { "upper": { "closed": true, "value": "0" } } }- Certificate
basis_map, SHA-256085befa2015cb998e69c1aaad008021a45a43d597f69b3e9c4f0a2dff8f91da0, 6,855 bytes (1,393 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-67fb3d520d4bda8c(real_rooted)n-67fb3d520d4bda8c(one_signed_coefficients)n-67fb3d520d4bda8c(hadamard_kernel)