i-boxes and Demazure weaves

ℭ to 𝒲Δ(ℭ) in type An

Construct the Demazure weave associated with a type A admissible chain.

Type Dn

Input

Random admissible chain ℭ

Randomly chooses the underlying Δ, LR sequence, and admissible chain in type An.

Construction demo

Manual input

Entries may be separated by spaces, commas, or line breaks. The initial envelope is c = #{L entries} + 1.