Robuta

https://dr.iiserpune.ac.in/items/8526bdd5-a515-4966-bbcf-01b998eadb4f Branching rules for unitary and symplectic matrices This paper concerns the enumeration of simultaneous conjugacy classes of tuples of commuting unitary matrices and of commuting symplectic matrices over a... symplectic matricesbranchingrulesunitary