Index

A

absorb_into_open_legs() (pytreenet.core.ttn.TreeTensorNetwork method) absorb_matrix() (pytreenet.core.ttn.TreeTensorNetwork method) absorb_matrix_into_neighbour_leg() (pytreenet.core.ttn.TreeTensorNetwork method) add_child() (pytreenet.core.graph_node.GraphNode method) add_child_to_parent() (pytreenet.core.tree_structure.TreeStructure method) (pytreenet.core.ttn.TreeTensorNetwork method) add_children() (pytreenet.core.graph_node.GraphNode method) add_entry() (pytreenet.contractions.tree_cach_dict.PartialTreeCachDict method) add_hamiltonian() (pytreenet.operators.hamiltonian.Hamiltonian method) add_hyperedge() (pytreenet.ttno.state_diagram.StateDiagram method) (pytreenet.ttno.vertex.Vertex method) add_hyperedges() (pytreenet.ttno.vertex.Vertex method) add_main_chain_node() (pytreenet.special_ttn.fttn.ForkTreeTensorNetwork method) add_multiple_terms() (pytreenet.operators.hamiltonian.Hamiltonian method) add_parent() (pytreenet.core.graph_node.GraphNode method)

add_parent_to_root() (pytreenet.core.tree_structure.TreeStructure method) (pytreenet.core.ttn.TreeTensorNetwork method) add_root() (pytreenet.core.tree_structure.TreeStructure method) (pytreenet.core.ttn.TreeTensorNetwork method) add_single_term() (pytreenet.ttno.state_diagram.StateDiagram method) add_sub_chain_node() (pytreenet.special_ttn.fttn.ForkTreeTensorNetwork method) add_term() (pytreenet.operators.hamiltonian.Hamiltonian method) add_vertex() (pytreenet.ttno.hyperedge.HyperEdge method) add_vertices() (pytreenet.ttno.hyperedge.HyperEdge method) all_but_one_vertex_contained() (pytreenet.ttno.hyperedge.HyperEdge method) all_vertices_contained() (pytreenet.ttno.hyperedge.HyperEdge method) allclose() (pytreenet.operators.tensorproduct.TensorProduct method) apply_operator() (pytreenet.ttns.ttns.TreeTensorNetworkState method) attach_node_left_end() (pytreenet.special_ttn.mps.MatrixProductTree method) attach_node_right_end() (pytreenet.special_ttn.mps.MatrixProductTree method)

B

backward_sweep() (pytreenet.time_evolution.tdvp_algorithms.secondorderonesite.SecondOrderOneSiteTDVP method) backwards_orth_path (pytreenet.time_evolution.tdvp_algorithms.secondorderonesite.SecondOrderOneSiteTDVP attribute) backwards_sweep() (pytreenet.time_evolution.tdvp_algorithms.secondordertwosite.SecondOrderTwoSiteTDVP method) backwards_update_path (pytreenet.time_evolution.tdvp_algorithms.secondorderonesite.SecondOrderOneSiteTDVP attribute)

bond_dim() (pytreenet.core.ttn.TreeTensorNetwork method) bond_dims (pytreenet.time_evolution.ttn_time_evolution.TTNTimeEvolution attribute) bond_dims() (pytreenet.core.ttn.TreeTensorNetwork method) bosonic_operators() (in module pytreenet.operators.common_operators)

C

calculate_hash() (pytreenet.ttno.hyperedge.HyperEdge method) calculate_hashes() (pytreenet.ttno.state_diagram.StateDiagram method) canonical_form() (in module pytreenet.core.canonical_form) (pytreenet.core.ttn.TreeTensorNetwork method) change_next_id_for_entry() (pytreenet.contractions.tree_cach_dict.PartialTreeCachDict method) check_hyperedge_uniqueness() (pytreenet.ttno.vertex.Vertex method) check_result_exists() (pytreenet.time_evolution.time_evolution.TimeEvolution method) check_truncation_parameters() (pytreenet.util.tensor_splitting.SVDParameters method) check_validity_of_node() (pytreenet.ttno.vertex.Vertex method) child_index() (pytreenet.core.graph_node.GraphNode method) child_leg_to_open_leg() (pytreenet.core.node.Node method) children (pytreenet.core.graph_node.GraphNode attribute) children_legs (pytreenet.core.leg_specification.LegSpecification attribute) (pytreenet.core.node.Node property) children_legs_to_open_legs() (pytreenet.core.node.Node method) CM (pytreenet.ttno.state_diagram.TTNOFinder attribute) combine_u() (pytreenet.ttno.state_diagram.StateDiagram method) combine_v() (pytreenet.ttno.state_diagram.StateDiagram method) compare_lists_by_value() (in module pytreenet.util.std_utils) complete_two_site_forward_update() (pytreenet.time_evolution.tdvp_algorithms.secondordertwosite.SecondOrderTwoSiteTDVP method) complete_two_site_update() (pytreenet.time_evolution.tdvp_algorithms.secondordertwosite.SecondOrderTwoSiteTDVP method) completely_contract_tree() (in module pytreenet.contractions.tree_contraction) (pytreenet.core.ttn.TreeTensorNetwork method) compute_transfer_tensor() (in module pytreenet.util.tensor_util) conjugate() (pytreenet.core.ttn.TreeTensorNetwork method) constant_product_state() (pytreenet.special_ttn.mps.MatrixProductState class method) contained (pytreenet.ttno.vertex.Vertex attribute)

contained_hyperedges (pytreenet.ttno.collections.HyperEdgeColl attribute) contained_vertices (pytreenet.ttno.collections.VertexColl attribute) contains_contained() (pytreenet.ttno.collections.VertexColl method) contains_duplicates() (pytreenet.operators.hamiltonian.Hamiltonian method) contr_truncated_svd_splitting() (in module pytreenet.util.tensor_splitting) contract_all_but_one_neighbour_block_to_hamiltonian() (in module pytreenet.contractions.contraction_util) contract_all_but_one_neighbour_block_to_ket() (in module pytreenet.contractions.contraction_util) contract_all_neighbour_blocks_to_hamiltonian() (in module pytreenet.contractions.contraction_util) contract_all_neighbour_blocks_to_ket() (in module pytreenet.contractions.contraction_util) contract_neighbour_block_to_hamiltonian() (in module pytreenet.contractions.contraction_util) contract_neighbour_block_to_hamiltonian_ignore_one_leg() (in module pytreenet.contractions.contraction_util) contract_neighbour_block_to_ket() (in module pytreenet.contractions.contraction_util) contract_neighbour_block_to_ket_ignore_one_leg() (in module pytreenet.contractions.contraction_util) contract_nodes() (pytreenet.core.ttn.TreeTensorNetwork method) contract_two_ttns() (in module pytreenet.contractions.state_state_contraction) ContractionMode (class in pytreenet.util.tensor_splitting) conversion_dictionary (pytreenet.operators.hamiltonian.Hamiltonian attribute) copy_object() (in module pytreenet.util.std_utils) copy_with_new_id() (pytreenet.core.graph_node.GraphNode method) corr_edge (pytreenet.ttno.collections.VertexColl attribute) (pytreenet.ttno.vertex.Vertex attribute) corr_node_id (pytreenet.ttno.collections.HyperEdgeColl attribute) (pytreenet.ttno.hyperedge.HyperEdge attribute) crandn() (in module pytreenet.random.random_matrices) create_link_id() (pytreenet.time_evolution.tdvp_algorithms.onesitetdvp.OneSiteTDVP static method) create_nearest_neighbour_hamiltonian() (in module pytreenet.operators.hamiltonian) create_single_site_hamiltonian() (in module pytreenet.operators.hamiltonian) create_two_site_id() (pytreenet.time_evolution.tdvp_algorithms.twositetdvp.TwoSiteTDVP static method)

D

Decomposition (class in pytreenet.ttno.ttno_class) delete_entry() (pytreenet.contractions.tree_cach_dict.PartialTreeCachDict method) determine_index_with_ignored_leg() (in module pytreenet.contractions.contraction_util)

determine_parentage() (pytreenet.core.tree_structure.TreeStructure method) DIFFVIRT (pytreenet.random.random_ttns.RandomTTNSMode attribute) distance_to_node() (pytreenet.core.tree_structure.TreeStructure method)

E

ensure_existence() (pytreenet.core.tree_structure.TreeStructure method) ensure_shape_matching() (pytreenet.core.ttn.TreeTensorNetwork method) ensure_uniqueness() (pytreenet.core.tree_structure.TreeStructure method) EQUAL (pytreenet.util.tensor_splitting.ContractionMode attribute) erase_subtree() (pytreenet.ttno.state_diagram.StateDiagram method) evaluate_operator() (pytreenet.time_evolution.exact_time_evolution.ExactTimeEvolution method) (pytreenet.time_evolution.time_evolution.TimeEvolution method) (pytreenet.time_evolution.ttn_time_evolution.TTNTimeEvolution method)

evaluate_operators() (pytreenet.time_evolution.time_evolution.TimeEvolution method) (pytreenet.time_evolution.ttn_time_evolution.TTNTimeEvolution method) ExactTimeEvolution (class in pytreenet.time_evolution.exact_time_evolution) exchange_open_leg_ranges() (pytreenet.core.node.Node method) exp() (pytreenet.operators.tensorproduct.TensorProduct method) expectation_value() (in module pytreenet.contractions.state_operator_contraction) exponentiate_operator() (pytreenet.time_evolution.trotter.TrotterStep method) exponentiate_splitting() (pytreenet.time_evolution.trotter.TrotterSplitting method) exponents (pytreenet.time_evolution.tebd.TEBD property)

F

factor (pytreenet.time_evolution.trotter.TrotterStep attribute) fast_exp_action() (in module pytreenet.util.std_utils) final_forward_update() (pytreenet.time_evolution.tdvp_algorithms.secondordertwosite.SecondOrderTwoSiteTDVP method) final_time (pytreenet.time_evolution.tdvp_algorithms.tdvp_algorithm.TDVPAlgorithm attribute) (pytreenet.time_evolution.time_evolution.TimeEvolution attribute) (pytreenet.time_evolution.time_evolution.TimeEvolution property) find_all_neighbour_ids() (pytreenet.core.leg_specification.LegSpecification method) find_furthest_non_visited_leaf() (pytreenet.time_evolution.time_evo_util.update_path.TDVPUpdatePathFinder method) find_leg_values() (pytreenet.core.leg_specification.LegSpecification method) find_main_path_down_from_root() (pytreenet.time_evolution.time_evo_util.update_path.TDVPUpdatePathFinder method) find_path() (pytreenet.time_evolution.time_evo_util.update_path.TDVPUpdatePathFinder method) find_path_to_root() (pytreenet.core.tree_structure.TreeStructure method) find_start_node_id() (pytreenet.time_evolution.time_evo_util.update_path.TDVPUpdatePathFinder method) find_subtree_of_node() (pytreenet.core.tree_structure.TreeStructure method) find_subtree_size_of_node() (pytreenet.core.tree_structure.TreeStructure method) find_tensor_position() (pytreenet.ttno.hyperedge.HyperEdge method) find_vertex() (pytreenet.ttno.hyperedge.HyperEdge method) first_backwards_update() (pytreenet.time_evolution.tdvp_algorithms.secondordertwosite.SecondOrderTwoSiteTDVP method) first_forward_update() (pytreenet.time_evolution.tdvp_algorithms.secondordertwosite.SecondOrderTwoSiteTDVP method)

FirstOrderOneSiteTDVP (class in pytreenet.time_evolution.tdvp_algorithms.firstorderonesite) ForkTreeProductOperator (class in pytreenet.special_ttn.fttn) ForkTreeProductState (class in pytreenet.special_ttn.fttn) ForkTreeTensorNetwork (class in pytreenet.special_ttn.fttn) forward_sweep() (pytreenet.time_evolution.tdvp_algorithms.secondorderonesite.SecondOrderOneSiteTDVP method) (pytreenet.time_evolution.tdvp_algorithms.secondordertwosite.SecondOrderTwoSiteTDVP method) from_hamiltonian() (pytreenet.ttno.state_diagram.StateDiagram class method) (pytreenet.ttno.ttno_class.TreeTensorNetworkOperator class method) from_hamiltonian_combine_match() (pytreenet.ttno.state_diagram.StateDiagram class method) from_hamiltonian_tree_comparison() (pytreenet.ttno.state_diagram.StateDiagram class method) from_lists() (pytreenet.time_evolution.trotter.TrotterSplitting class method) from_operators() (pytreenet.operators.tensorproduct.TensorProduct class method) from_single_state_diagram() (pytreenet.ttno.state_diagram.StateDiagram class method) from_single_term() (pytreenet.ttno.single_term_diagram.SingleTermDiagram class method) (pytreenet.ttno.state_diagram.StateDiagram class method) from_state_diagram() (pytreenet.ttno.ttno_class.TreeTensorNetworkOperator class method) from_tensor() (pytreenet.ttno.ttno_class.TreeTensorNetworkOperator class method) from_tensor_list() (pytreenet.special_ttn.mps.MatrixProductTree class method) from_tensor_list_leftmost_node_is_root() (pytreenet.special_ttn.mps.MatrixProductTree class method) FULL (pytreenet.util.tensor_splitting.SplitMode attribute)

G

get_all_hyperedges() (pytreenet.ttno.single_term_diagram.SingleTermDiagram method) (pytreenet.ttno.state_diagram.StateDiagram method) get_all_labels() (pytreenet.ttno.collections.HyperEdgeColl method) get_all_marked_vertices() (pytreenet.ttno.collections.VertexColl method) get_all_vertices() (pytreenet.ttno.single_term_diagram.SingleTermDiagram method) (pytreenet.ttno.state_diagram.StateDiagram method) get_completely_contained_hyperedges() (pytreenet.ttno.collections.HyperEdgeColl method) get_contained_vertices() (pytreenet.ttno.hyperedge.HyperEdge method) get_entry() (pytreenet.contractions.tree_cach_dict.PartialTreeCachDict method) get_equivalent_legs() (in module pytreenet.contractions.contraction_util) get_hash() (pytreenet.ttno.hyperedge.HyperEdge method)

get_hyperedge_label() (pytreenet.ttno.single_term_diagram.SingleTermDiagram method) get_hyperedges_by_label() (pytreenet.ttno.collections.HyperEdgeColl method) get_hyperedges_for_one_node_id() (pytreenet.ttno.vertex.Vertex method) get_leaves() (pytreenet.core.tree_structure.TreeStructure method) get_second_node_id() (pytreenet.ttno.vertex.Vertex method) get_single_uncontained_vertex() (pytreenet.ttno.hyperedge.HyperEdge method) get_state_diagram_compound() (pytreenet.ttno.state_diagram.StateDiagram class method) get_state_diagrams() (pytreenet.ttno.state_diagram.StateDiagram class method) get_uncontained_vertices() (pytreenet.ttno.hyperedge.HyperEdge method) get_vertex_coll_two_ids() (pytreenet.ttno.state_diagram.StateDiagram method) GraphNode (class in pytreenet.core.graph_node)

H

Hamiltonian (class in pytreenet.operators.hamiltonian) hamiltonian (pytreenet.time_evolution.exact_time_evolution.ExactTimeEvolution attribute) (pytreenet.time_evolution.tdvp_algorithms.tdvp_algorithm.TDVPAlgorithm attribute) has_x_children() (pytreenet.core.graph_node.GraphNode method) hash (pytreenet.ttno.hyperedge.HyperEdge attribute)

HyperEdge (class in pytreenet.ttno.hyperedge) hyperedge_colls (pytreenet.ttno.state_diagram.StateDiagram attribute) HyperEdgeColl (class in pytreenet.ttno.collections) hyperedges (pytreenet.ttno.single_term_diagram.SingleTermDiagram attribute) (pytreenet.ttno.vertex.Vertex attribute)

I

identifier (pytreenet.core.graph_node.GraphNode attribute) (pytreenet.core.graph_node.GraphNode property) (pytreenet.core.node.Node attribute) (pytreenet.ttno.hyperedge.HyperEdge attribute) (pytreenet.ttno.vertex.Vertex attribute) index (pytreenet.ttno.vertex.Vertex attribute) index_vertices() (pytreenet.ttno.collections.VertexColl method) initial_state (pytreenet.time_evolution.tdvp_algorithms.tdvp_algorithm.TDVPAlgorithm attribute) (pytreenet.time_evolution.time_evolution.TimeEvolution attribute) (pytreenet.time_evolution.time_evolution.TimeEvolution property) into_operator() (pytreenet.operators.tensorproduct.TensorProduct method)

into_operators() (pytreenet.time_evolution.trotter.SWAPlist method) is_child_of() (pytreenet.core.graph_node.GraphNode method) (pytreenet.core.tree_structure.TreeStructure method) is_compatible_with() (pytreenet.operators.hamiltonian.Hamiltonian method) is_compatible_with_ttn() (pytreenet.time_evolution.trotter.SWAPlist method) is_in_canonical_form() (pytreenet.ttns.ttns.TreeTensorNetworkState method) is_leaf() (pytreenet.core.graph_node.GraphNode method) is_parent_of() (pytreenet.core.graph_node.GraphNode method) (pytreenet.core.tree_structure.TreeStructure method) is_root (pytreenet.core.leg_specification.LegSpecification attribute) is_root() (pytreenet.core.graph_node.GraphNode method) is_unitary() (pytreenet.operators.operator.NumericOperator method)

K

KEEP (pytreenet.util.tensor_splitting.SplitMode attribute)

L

label (pytreenet.ttno.hyperedge.HyperEdge attribute) leaves_under_node() (pytreenet.core.tree_structure.TreeStructure method) left_nodes (pytreenet.special_ttn.mps.MatrixProductTree attribute) leg_permutation (pytreenet.core.node.Node attribute) (pytreenet.core.node.Node property)

legs_before_combination() (pytreenet.core.ttn.TreeTensorNetwork method) LegSpecification (class in pytreenet.core.leg_specification) linearise() (pytreenet.core.tree_structure.TreeStructure method) link_tensor() (pytreenet.core.node.Node method)

M

main_chain (pytreenet.special_ttn.fttn.ForkTreeTensorNetwork attribute) main_chain_id() (pytreenet.special_ttn.fttn.ForkTreeTensorNetwork method) main_identifier_prefix (pytreenet.special_ttn.fttn.ForkTreeTensorNetwork attribute) main_length() (pytreenet.special_ttn.fttn.ForkTreeTensorNetwork method) main_path (pytreenet.time_evolution.time_evo_util.update_path.TDVPUpdatePathFinder attribute) MatrixProductOperator (class in pytreenet.special_ttn.mps) MatrixProductState (class in pytreenet.special_ttn.mps) MatrixProductTree (class in pytreenet.special_ttn.mps) max_bond_dim (pytreenet.util.tensor_splitting.SVDParameters attribute), [1] max_bond_dim() (pytreenet.core.ttn.TreeTensorNetwork method) module pytreenet pytreenet.contractions pytreenet.contractions.contraction_util pytreenet.contractions.state_operator_contraction pytreenet.contractions.state_state_contraction pytreenet.contractions.tree_cach_dict pytreenet.contractions.tree_contraction pytreenet.core pytreenet.core.canonical_form pytreenet.core.graph_node pytreenet.core.leg_specification pytreenet.core.node pytreenet.core.tree_structure pytreenet.core.ttn pytreenet.operators pytreenet.operators.common_operators pytreenet.operators.hamiltonian pytreenet.operators.operator pytreenet.operators.tensorproduct pytreenet.random pytreenet.random.random_hamiltonian pytreenet.random.random_matrices pytreenet.random.random_node pytreenet.random.random_tensorproduct pytreenet.random.random_ttns pytreenet.special_ttn pytreenet.special_ttn.fttn pytreenet.special_ttn.mps pytreenet.time_evolution pytreenet.time_evolution.exact_time_evolution pytreenet.time_evolution.tdvp pytreenet.time_evolution.tdvp_algorithms pytreenet.time_evolution.tdvp_algorithms.firstorderonesite pytreenet.time_evolution.tdvp_algorithms.onesitetdvp pytreenet.time_evolution.tdvp_algorithms.secondorderonesite pytreenet.time_evolution.tdvp_algorithms.secondordertwosite pytreenet.time_evolution.tdvp_algorithms.tdvp_algorithm pytreenet.time_evolution.tdvp_algorithms.twositetdvp pytreenet.time_evolution.tebd pytreenet.time_evolution.time_evo_util pytreenet.time_evolution.time_evo_util.update_path pytreenet.time_evolution.time_evolution pytreenet.time_evolution.trotter pytreenet.time_evolution.ttn_time_evolution pytreenet.ttno pytreenet.ttno.collections pytreenet.ttno.hyperedge pytreenet.ttno.single_term_diagram pytreenet.ttno.state_diagram pytreenet.ttno.ttno_class pytreenet.ttno.vertex pytreenet.ttns pytreenet.ttns.ttns pytreenet.util pytreenet.util.std_utils pytreenet.util.tensor_splitting pytreenet.util.tensor_util pytreenet.util.ttn_exceptions

move_orthogonalization_center() (pytreenet.core.ttn.TreeTensorNetwork method)

N

nchild_legs() (pytreenet.core.node.Node method) nchildren() (pytreenet.core.graph_node.GraphNode method) nearest_neighbours() (pytreenet.core.tree_structure.TreeStructure method) neighbour_index() (pytreenet.core.graph_node.GraphNode method) neighbouring_nodes() (pytreenet.core.graph_node.GraphNode method) new (pytreenet.ttno.vertex.Vertex attribute) nlegs() (pytreenet.core.node.Node method) nneighbours() (pytreenet.core.graph_node.GraphNode method) NoConnectionException Node (class in pytreenet.core.node) node (pytreenet.core.leg_specification.LegSpecification attribute) nodes (pytreenet.core.tree_structure.TreeStructure attribute) (pytreenet.core.tree_structure.TreeStructure property) (pytreenet.core.ttn.TreeTensorNetwork attribute)

nodes_equal() (pytreenet.core.ttn.TreeTensorNetwork method) non_negativity_check() (in module pytreenet.util.ttn_exceptions) nopen_legs() (pytreenet.core.node.Node method) normal_backwards_update() (pytreenet.time_evolution.tdvp_algorithms.secondordertwosite.SecondOrderTwoSiteTDVP method) normal_forward_update() (pytreenet.time_evolution.tdvp_algorithms.secondordertwosite.SecondOrderTwoSiteTDVP method) NotCompatibleException nparents() (pytreenet.core.graph_node.GraphNode method) num_hyperedges_to_node() (pytreenet.ttno.vertex.Vertex method) num_nodes() (pytreenet.core.ttn.TreeTensorNetwork method) num_of_vertices_contained() (pytreenet.ttno.hyperedge.HyperEdge method) num_time_steps (pytreenet.time_evolution.time_evolution.TimeEvolution property) NumericOperator (class in pytreenet.operators.operator) numpy_qr_mode() (pytreenet.util.tensor_splitting.SplitMode method) numpy_svd_mode() (pytreenet.util.tensor_splitting.SplitMode method) nvirt_legs() (pytreenet.core.node.Node method)

O

obtain_bond_dims() (pytreenet.time_evolution.ttn_time_evolution.TTNTimeEvolution method) obtain_tensor_shape() (pytreenet.ttno.state_diagram.StateDiagram method) oder (pytreenet.time_evolution.tdvp.TDVPConfig attribute) OneSiteTDVP (class in pytreenet.time_evolution.tdvp_algorithms.onesitetdvp) open_dimension() (pytreenet.core.node.Node method) open_leg_to_child() (pytreenet.core.node.Node method) open_leg_to_parent() (pytreenet.core.node.Node method) open_legs (pytreenet.core.leg_specification.LegSpecification attribute) (pytreenet.core.node.Node property) open_legs_to_children() (pytreenet.core.node.Node method)

operator (pytreenet.time_evolution.trotter.TrotterStep attribute) operator_expectation_value() (pytreenet.ttns.ttns.TreeTensorNetworkState method) operator_result() (pytreenet.time_evolution.time_evolution.TimeEvolution method) (pytreenet.time_evolution.ttn_time_evolution.TTNTimeEvolution method) operator_results() (pytreenet.time_evolution.time_evolution.TimeEvolution method) operators (pytreenet.time_evolution.tdvp_algorithms.tdvp_algorithm.TDVPAlgorithm attribute) (pytreenet.time_evolution.time_evolution.TimeEvolution attribute) orthogonalisation_path (pytreenet.time_evolution.tdvp_algorithms.tdvp_algorithm.TDVPAlgorithm attribute) orthogonality_center_id (pytreenet.core.ttn.TreeTensorNetwork attribute) orthogonalize() (pytreenet.core.ttn.TreeTensorNetwork method)

P

pad_with_identities() (pytreenet.operators.hamiltonian.Hamiltonian method) (pytreenet.operators.tensorproduct.TensorProduct method) PadMode (class in pytreenet.operators.hamiltonian) parent (pytreenet.core.graph_node.GraphNode attribute) parent_leg (pytreenet.core.leg_specification.LegSpecification attribute) (pytreenet.core.node.Node property) parent_leg_dim() (pytreenet.core.node.Node method) parent_leg_to_open_leg() (pytreenet.core.node.Node method) partial_tree_cache (pytreenet.time_evolution.tdvp_algorithms.tdvp_algorithm.TDVPAlgorithm attribute) PartialTreeCachDict (class in pytreenet.contractions.tree_cach_dict) path_down_from_root() (pytreenet.time_evolution.time_evo_util.update_path.TDVPUpdatePathFinder method) path_for_branch() (pytreenet.time_evolution.time_evo_util.update_path.TDVPUpdatePathFinder method) path_from_to() (pytreenet.core.tree_structure.TreeStructure method) pauli_matrices() (in module pytreenet.operators.common_operators) perform_compatibility_checks() (pytreenet.operators.hamiltonian.Hamiltonian method) positivity_check() (in module pytreenet.util.ttn_exceptions) projector() (in module pytreenet.operators.common_operators) pytreenet module pytreenet.contractions module pytreenet.contractions.contraction_util module pytreenet.contractions.state_operator_contraction module pytreenet.contractions.state_state_contraction module pytreenet.contractions.tree_cach_dict module pytreenet.contractions.tree_contraction module pytreenet.core module pytreenet.core.canonical_form module pytreenet.core.graph_node module pytreenet.core.leg_specification module pytreenet.core.node module pytreenet.core.tree_structure module pytreenet.core.ttn module pytreenet.operators module pytreenet.operators.common_operators module pytreenet.operators.hamiltonian module pytreenet.operators.operator module pytreenet.operators.tensorproduct module pytreenet.random module pytreenet.random.random_hamiltonian module pytreenet.random.random_matrices module pytreenet.random.random_node module pytreenet.random.random_tensorproduct module pytreenet.random.random_ttns module

pytreenet.special_ttn module pytreenet.special_ttn.fttn module pytreenet.special_ttn.mps module pytreenet.time_evolution module pytreenet.time_evolution.exact_time_evolution module pytreenet.time_evolution.tdvp module pytreenet.time_evolution.tdvp_algorithms module pytreenet.time_evolution.tdvp_algorithms.firstorderonesite module pytreenet.time_evolution.tdvp_algorithms.onesitetdvp module pytreenet.time_evolution.tdvp_algorithms.secondorderonesite module pytreenet.time_evolution.tdvp_algorithms.secondordertwosite module pytreenet.time_evolution.tdvp_algorithms.tdvp_algorithm module pytreenet.time_evolution.tdvp_algorithms.twositetdvp module pytreenet.time_evolution.tebd module pytreenet.time_evolution.time_evo_util module pytreenet.time_evolution.time_evo_util.update_path module pytreenet.time_evolution.time_evolution module pytreenet.time_evolution.trotter module pytreenet.time_evolution.ttn_time_evolution module pytreenet.ttno module pytreenet.ttno.collections module pytreenet.ttno.hyperedge module pytreenet.ttno.single_term_diagram module pytreenet.ttno.state_diagram module pytreenet.ttno.ttno_class module pytreenet.ttno.vertex module pytreenet.ttns module pytreenet.ttns.ttns module pytreenet.util module pytreenet.util.std_utils module pytreenet.util.tensor_splitting module pytreenet.util.tensor_util module pytreenet.util.ttn_exceptions module

Q

QR (pytreenet.ttno.ttno_class.Decomposition attribute), [1]

R

random_big_ttns() (in module pytreenet.random.random_ttns) random_big_ttns_two_root_children() (in module pytreenet.random.random_ttns) random_graph_node() (in module pytreenet.random.random_node) random_hamiltonian() (in module pytreenet.random.random_hamiltonian) random_hamiltonian_compatible() (in module pytreenet.random.random_hamiltonian) random_hermitian_matrix() (in module pytreenet.random.random_matrices) random_matrix() (in module pytreenet.random.random_matrices) random_numeric_tensor_product() (in module pytreenet.random.random_tensorproduct) random_numeric_tensor_product_from_list() (in module pytreenet.random.random_tensorproduct) random_numeric_tensor_product_from_tree() (in module pytreenet.random.random_tensorproduct) random_numeric_term() (in module pytreenet.random.random_hamiltonian) random_numeric_terms() (in module pytreenet.random.random_hamiltonian) random_small_ttns() (in module pytreenet.random.random_ttns) random_symbolic_tensor_product() (in module pytreenet.random.random_tensorproduct) random_symbolic_term() (in module pytreenet.random.random_hamiltonian) random_symbolic_terms() (in module pytreenet.random.random_hamiltonian) random_tensor_node() (in module pytreenet.random.random_node) random_tensor_product() (in module pytreenet.random.random_tensorproduct) random_terms() (in module pytreenet.random.random_hamiltonian) random_unitary_matrix() (in module pytreenet.random.random_matrices) RandomTTNSMode (class in pytreenet.random.random_ttns) realise_swaps() (pytreenet.time_evolution.trotter.TrotterStep method) record_bond_dim (pytreenet.time_evolution.ttn_time_evolution.TTNTimeEvolutionConfig attribute) record_bond_dimensions() (pytreenet.time_evolution.ttn_time_evolution.TTNTimeEvolution method) records_bond_dim (pytreenet.time_evolution.ttn_time_evolution.TTNTimeEvolution property) REDUCED (pytreenet.util.tensor_splitting.SplitMode attribute) reference_tree (pytreenet.ttno.single_term_diagram.SingleTermDiagram attribute) (pytreenet.ttno.state_diagram.StateDiagram attribute)

rel_tol (pytreenet.util.tensor_splitting.SVDParameters attribute), [1] remove_child() (pytreenet.core.graph_node.GraphNode method) remove_parent() (pytreenet.core.graph_node.GraphNode method) renorm (pytreenet.util.tensor_splitting.SVDParameters attribute), [1] renormalise_singular_values() (in module pytreenet.util.tensor_splitting) replace_child() (pytreenet.core.graph_node.GraphNode method) replace_neighbour() (pytreenet.core.graph_node.GraphNode method) replace_node_in_neighbours() (pytreenet.core.tree_structure.TreeStructure method) replace_node_in_some_neighbours() (pytreenet.core.tree_structure.TreeStructure method) reset_markers() (pytreenet.ttno.state_diagram.StateDiagram method) reset_to_initial_state() (pytreenet.time_evolution.time_evolution.TimeEvolution method) results (pytreenet.time_evolution.time_evolution.TimeEvolution property) results_real() (pytreenet.time_evolution.time_evolution.TimeEvolution method) right_nodes (pytreenet.special_ttn.mps.MatrixProductTree attribute) risky (pytreenet.operators.hamiltonian.PadMode attribute) root (pytreenet.core.ttn.TreeTensorNetwork property) root_id (pytreenet.core.tree_structure.TreeStructure attribute) (pytreenet.core.tree_structure.TreeStructure property) (pytreenet.core.ttn.TreeTensorNetwork attribute) run() (pytreenet.time_evolution.time_evolution.TimeEvolution method) run_one_time_step() (pytreenet.time_evolution.exact_time_evolution.ExactTimeEvolution method) (pytreenet.time_evolution.tdvp_algorithms.firstorderonesite.FirstOrderOneSiteTDVP method) (pytreenet.time_evolution.tdvp_algorithms.secondorderonesite.SecondOrderOneSiteTDVP method) (pytreenet.time_evolution.tdvp_algorithms.secondordertwosite.SecondOrderTwoSiteTDVP method) (pytreenet.time_evolution.tebd.TEBD method) (pytreenet.time_evolution.time_evolution.TimeEvolution method) runtime_reset() (pytreenet.ttno.vertex.Vertex method)

S

safe (pytreenet.operators.hamiltonian.PadMode attribute) SAME (pytreenet.random.random_ttns.RandomTTNSMode attribute) SAMEPHYS (pytreenet.random.random_ttns.RandomTTNSMode attribute) save_results_to_file() (pytreenet.time_evolution.time_evolution.TimeEvolution method) scalar_product() (pytreenet.ttns.ttns.TreeTensorNetworkState method) SecondOrderOneSiteTDVP (class in pytreenet.time_evolution.tdvp_algorithms.secondorderonesite) SecondOrderTwoSiteTDVP (class in pytreenet.time_evolution.tdvp_algorithms.secondordertwosite) set_all_vertex_indices() (pytreenet.ttno.state_diagram.StateDiagram method) set_hash() (pytreenet.ttno.hyperedge.HyperEdge method) set_num_time_steps() (pytreenet.time_evolution.time_evolution.TimeEvolution method) set_num_time_steps_constant_final_time() (pytreenet.time_evolution.time_evolution.TimeEvolution method) shape (pytreenet.core.node.Node attribute) (pytreenet.core.node.Node property) single_site_operator_expectation_value() (pytreenet.ttns.ttns.TreeTensorNetworkState method) SingleTermDiagram (class in pytreenet.ttno.single_term_diagram) sites (pytreenet.time_evolution.tdvp.TDVPConfig attribute) sort_dictionary() (in module pytreenet.util.std_utils) split_node_qr() (pytreenet.core.ttn.TreeTensorNetwork method) split_node_svd() (pytreenet.core.ttn.TreeTensorNetwork method) split_nodes() (pytreenet.core.ttn.TreeTensorNetwork method)

split_qr_contract_r_to_neighbour() (in module pytreenet.core.canonical_form) SplitMode (class in pytreenet.util.tensor_splitting) start (pytreenet.time_evolution.time_evo_util.update_path.TDVPUpdatePathFinder attribute) state (pytreenet.time_evolution.time_evo_util.update_path.TDVPUpdatePathFinder attribute) StateDiagram (class in pytreenet.ttno.state_diagram) sub_chains (pytreenet.special_ttn.fttn.ForkTreeTensorNetwork attribute) subchain_id() (pytreenet.special_ttn.fttn.ForkTreeTensorNetwork method) subchain_identifier_prefix (pytreenet.special_ttn.fttn.ForkTreeTensorNetwork attribute) subchain_length() (pytreenet.special_ttn.fttn.ForkTreeTensorNetwork method) sum_states() (pytreenet.ttno.state_diagram.StateDiagram class method) SVD (pytreenet.ttno.ttno_class.Decomposition attribute), [1] svd_parameters (pytreenet.time_evolution.tdvp_algorithms.twositetdvp.TwoSiteTDVP attribute) svd_params (pytreenet.time_evolution.tdvp.TDVPConfig attribute) SVDParameters (class in pytreenet.util.tensor_splitting) swap_gate() (in module pytreenet.operators.common_operators) swap_two_child_legs() (pytreenet.core.node.Node method) swap_with_first_child() (pytreenet.core.node.Node method) SWAPlist (class in pytreenet.time_evolution.trotter) swaps_after (pytreenet.time_evolution.trotter.TrotterStep attribute) swaps_before (pytreenet.time_evolution.trotter.TrotterStep attribute)

T

tdvp() (in module pytreenet.time_evolution.tdvp) TDVPAlgorithm (class in pytreenet.time_evolution.tdvp_algorithms.tdvp_algorithm) TDVPConfig (class in pytreenet.time_evolution.tdvp) TDVPUpdatePathFinder (class in pytreenet.time_evolution.time_evo_util.update_path) TEBD (class in pytreenet.time_evolution.tebd) tensor_matricisation_half() (in module pytreenet.util.tensor_util) tensor_matricization() (in module pytreenet.util.tensor_util) tensor_multidot() (in module pytreenet.util.tensor_util) tensor_qr_decomposition() (in module pytreenet.util.tensor_splitting) tensor_svd() (in module pytreenet.util.tensor_splitting) TensorDict (class in pytreenet.core.ttn) TensorProduct (class in pytreenet.operators.tensorproduct) tensors (pytreenet.core.ttn.TreeTensorNetwork attribute) (pytreenet.core.ttn.TreeTensorNetwork property) terms (pytreenet.operators.hamiltonian.Hamiltonian attribute) time_evo_config (pytreenet.time_evolution.tdvp.TDVPConfig attribute) time_evolve() (in module pytreenet.time_evolution.time_evolution) time_step_size (pytreenet.time_evolution.tdvp_algorithms.tdvp_algorithm.TDVPAlgorithm attribute) (pytreenet.time_evolution.time_evolution.TimeEvolution attribute) (pytreenet.time_evolution.time_evolution.TimeEvolution property) TimeEvolution (class in pytreenet.time_evolution.time_evolution) times() (pytreenet.time_evolution.time_evolution.TimeEvolution method) to_matrix() (pytreenet.operators.hamiltonian.Hamiltonian method) (pytreenet.operators.operator.NumericOperator method)

to_tensor() (pytreenet.operators.hamiltonian.Hamiltonian method) (pytreenet.operators.operator.NumericOperator method) total_tol (pytreenet.util.tensor_splitting.SVDParameters attribute), [1] transpose_tensor_by_leg_list() (in module pytreenet.util.tensor_util) TREE (pytreenet.ttno.state_diagram.TTNOFinder attribute) TreeStructure (class in pytreenet.core.tree_structure) TreeTensorNetwork (class in pytreenet.core.ttn) TreeTensorNetworkOperator (class in pytreenet.ttno.ttno_class) TreeTensorNetworkState (class in pytreenet.ttns.ttns) trotter_splitting (pytreenet.time_evolution.tebd.TEBD attribute) (pytreenet.time_evolution.tebd.TEBD property) TrotterSplitting (class in pytreenet.time_evolution.trotter) TrotterStep (class in pytreenet.time_evolution.trotter) truncate_singular_values() (in module pytreenet.util.tensor_splitting) truncated_tensor_svd() (in module pytreenet.util.tensor_splitting) tSVD (pytreenet.ttno.ttno_class.Decomposition attribute), [1] TTN (in module pytreenet.core.ttn) TTNO (in module pytreenet.ttno.ttno_class) TTNOFinder (class in pytreenet.ttno.state_diagram) TTNS (in module pytreenet.ttns.ttns) TTNTimeEvolution (class in pytreenet.time_evolution.ttn_time_evolution) TTNTimeEvolutionConfig (class in pytreenet.time_evolution.ttn_time_evolution) TwoSiteTDVP (class in pytreenet.time_evolution.tdvp_algorithms.twositetdvp)

U

UCONTR (pytreenet.util.tensor_splitting.ContractionMode attribute)

update_path (pytreenet.time_evolution.tdvp_algorithms.tdvp_algorithm.TDVPAlgorithm attribute) update_tree_cache() (pytreenet.time_evolution.tdvp_algorithms.tdvp_algorithm.TDVPAlgorithm method)

V

VCONTR (pytreenet.util.tensor_splitting.ContractionMode attribute) Vertex (class in pytreenet.ttno.vertex) vertex_colls (pytreenet.ttno.state_diagram.StateDiagram attribute)

vertex_single_he() (pytreenet.ttno.hyperedge.HyperEdge method) VertexColl (class in pytreenet.ttno.collections) vertices (pytreenet.ttno.hyperedge.HyperEdge attribute) (pytreenet.ttno.single_term_diagram.SingleTermDiagram attribute)