Proof step
Geometric basis map (elementary)
Image under a basis map u^k -> P_k A013610
- Concludes
- shift_x_plus_one of basis_map_A013610 of Triangle of coefficients in expansion of (1+2*x)^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-679e0c1afbb98953· JSON- Operation
- Image under a basis map u^k -> P_k
{ "map": "A013610", "operation": "basis_map" } - Claims
{ "claim": "real_rooted", "from_index": 0, "region": { "upper": { "closed": true, "value": "0" } } }- Certificate
basis_map, SHA-256505347780b453152c4088637237ed0e250da2873f2a478942e66b9ff54876f4d, 6,855 bytes (1,393 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-5c2409b346bb76f2(one_signed_coefficients)n-5c2409b346bb76f2(hadamard_kernel)n-5c2409b346bb76f2(real_rooted)