Proof step e-e9a681d7e83adc14

basis_map_theorem → concludes about Square array of Delannoy numbers D(i,j) (i >= 0, j >= 0) read by antidiagonals. JSON

Theorem

Affine-current basis map theorem polytool RealRooted orderTwoConstants_nonneg_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": "[-1 - sqrt(2), -1 + sqrt(2)]", "output_interval": "(-inf, +inf)", "statement": "every real polynomial with all roots in E = [-1 - sqrt(2), -1 + sqrt(2)] has a real-rooted image" }
• { "claim": "basis_map_preserver", "input_interval": "[-1 - sqrt(2), -1 + sqrt(2)]", "output_interval": "[-3 - 2 sqrt(2), -3 + 2 sqrt(2)]", "statement": "every real polynomial with all roots in E = [-1 - sqrt(2), -1 + sqrt(2)] has an image with all roots in I = [-3 - 2 sqrt(2), -3 + 2 sqrt(2)]" }
• { "claim": "basis_map_preserver", "input_interval": "[-1 - sqrt(2), 0]", "output_interval": "[-3 - 2 sqrt(2), -3 + 2 sqrt(2)]", "statement": "every PF input with all roots in [-1 - sqrt(2), 0] has a PF image; no larger [-R, 0] works" }

Verification and certificate

• polytool: replayed (the certificate replayed when the step was written)
• Lean: not attempted
• certificate: basis_map_theorem, SHA-256 0c06c01a177a77b922013b1bfb0299be07c95a062628c8bdcc949b08bc3a70ad, 5,821 bytes (1,490 compressed); download JSON

Cited by

• n-811c78acf96cbc19 (basis_map_preserver)