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.. _triqs__hilbert_space__space_partition__find_mappings:

triqs::hilbert_space::space_partition::find_mappings
====================================================

*#include <triqs/hilbert_space/space_partition.hpp>*



**Synopsis**

 .. rst-class:: cppsynopsis

       | space_partition::block_mapping_t :red:`find_mappings` (space_partition::operator_t const & :param:`op`,
       |                bool :param:`diagonal_only` = false)





Find all subspace-to-subspace connections generated by a given operator





Parameters
^^^^^^^^^^

 * :param:`op` Subject imperative operator

 * :param:`diagonal_only` Find only the 'diagonal' connections (each subspace connected to itself)


Returns
^^^^^^^

Connections between subspaces