A number of permutations-related functions.
.. toctree::
.. autosummary:: :toctree: _autosummary toqito.perms.antisymmetric_projection toqito.perms.perfect_matchings toqito.perms.perm_sign toqito.perms.permutation_operator toqito.perms.permute_systems toqito.perms.swap toqito.perms.swap_operator toqito.perms.symmetric_projection toqito.perms.unique_perms