Proof step
Geometric basis map (elementary)
Image under a basis map u^k -> P_k A013611
- Concludes
- basis_map_A013609 of basis_map_A013611 of Triangle of coefficients in expansion of (1+2*x)^n.
- Premises
- basis_map_A013611 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_A013611 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-18451c806ea01354· 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-2569a5ea791322c8adc50208fa39f9b1a07467d374e29402ae1ec5d582c1a765878, 6,859 bytes (1,389 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-780fe707feb8bee2(real_rooted)n-780fe707feb8bee2(one_signed_coefficients)n-780fe707feb8bee2(hadamard_kernel)