Proof step
Geometric basis map (elementary)
Image under a basis map u^k -> P_k A013610
- Concludes
- basis_map_A013609 of basis_map_A007318 of Triangle of coefficients in expansion of (1+6x)^n.
- Premises
- basis_map_A013611 of Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*1^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)*8^(i-j)*1^j.
- Theorem
- polytool ?
- Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-1e50496cc65ef5b9· 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-2560c9fa415ee3629c23dbff6f4f22f2c19a313428dedd1e1336b1b37ad605d4f03, 6,859 bytes (1,394 compressed); downloadpolytool replayed the certificate when the step was written.- Cited by
n-fbee24f9afac6b9c(one_signed_coefficients)n-fbee24f9afac6b9c(hadamard_kernel)n-fbee24f9afac6b9c(real_rooted)