Proof step e-3ceda21b0e9235a8

basis_map_theorem → concludes about Stirling2 triangle with scaled diagonals (powers of 3). JSON

Theorem

Ray basis map theorem [MW08, Thm 2] polytool RealRooted rayBasisMap_maps_realRootedIn_iff ?

Operation

Basis map theorem for the node's own rule

{
  "operation": "basis_map_theorem"
}

Premises

None: this step is a direct theorem check.

Claims

• { "claim": "basis_map_preserver", "input_interval": "(-inf, 3]", "output_interval": "(-inf, 0]", "statement": "source (-inf, a + b h + kappa m] = (-inf, 3] with m = 0, target (-inf, 0]" }

Verification and certificate

• polytool: replayed (the certificate replayed when the step was written)
• Lean: not attempted
• certificate: basis_map_theorem, SHA-256 3c78dbc6835f3290029b3676eb84e3b2f503a2acfa9f22cf9378627b0a4e46b7, 1,976 bytes (834 compressed); download JSON

Cited by

• n-181be2f2eb86cd8e (basis_map_preserver)

References

1. [MW08] Shi-Mei Ma and Yi Wang. q-Eulerian polynomials and polynomials with only real zeros. The Electronic Journal of Combinatorics, 15(1):Research Paper 17, January 2008. doi:10.37236/741