fact: Definition changeUT T1 T2 (w : seq T) : seq T := (RSmapinv2 (RS (take d1 w), yam_of_stdtab T1)) ++ (RSmapinv2 (RS (drop d1 w), yam_of_stdtab T2)).
imports: HB(structures) mathcomp(all_ssreflect) mathcomp(ssralg) mathcomp(ssrcomplements freeg mpoly) tools ordtype partition Yamanouchi std tableau stdtab Schensted congr plactic stdplact Yam_plact Greene_inv shuffle Schur_mpoly