Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2382855647', 'doi': None, 'title': 'Homoclinic and heteroclinic orbits in a class of Hamiltonian systems with parameters and rational singularity', 'display_name': 'Homoclinic and heteroclinic orbits in a class of Hamiltonian systems with parameters and rational singularity', 'publication_year': 2004, 'publication_date': '2004-01-01', 'ids': {'openalex': 'https://openalex.org/W2382855647', 'mag': '2382855647'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'http://en.cnki.com.cn/Article_en/CJFDTOTAL-GXYZ200402004.htm', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S57607574', 'display_name': 'Applied mathematics/Applied Mathematics. A Journal of Chinese Universities/Gao-xiao yingyong shuxue xuebao', 'issn_l': '1000-4424', 'issn': ['1000-4424', '1005-1031', '1993-0445'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5033767518', 'display_name': 'Huang Ming-you', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'Huang Ming-you', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5033767518'], 'corresponding_institution_ids': [], 'apc_list': {'value': 2190, 'currency': 'EUR', 'value_usd': 2780, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.239, 'has_fulltext': False, 'cited_by_count': 1, 'citation_normalized_percentile': {'value': 0.367719, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 61, 'max': 68}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11261', 'display_name': 'Characterization of Chaotic Quantum Dynamics and Structures', 'score': 0.9863, 'subfield': {'id': 'https://openalex.org/subfields/3109', 'display_name': 'Statistical and Nonlinear Physics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11261', 'display_name': 'Characterization of Chaotic Quantum Dynamics and Structures', 'score': 0.9863, 'subfield': {'id': 'https://openalex.org/subfields/3109', 'display_name': 'Statistical and Nonlinear Physics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T12396', 'display_name': 'Bifurcations in Planar Polynomial Systems', 'score': 0.9678, 'subfield': {'id': 'https://openalex.org/subfields/2608', 'display_name': 'Geometry and Topology'}, 'field': {'id': 'https://openalex.org/fields/26', 'display_name': 'Mathematics'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10325', 'display_name': 'Formation and Evolution of the Solar System', 'score': 0.9301, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/heteroclinic-cycle', 'display_name': 'Heteroclinic cycle', 'score': 0.8281126}, {'id': 'https://openalex.org/keywords/heteroclinic-orbit', 'display_name': 'Heteroclinic orbit', 'score': 0.76298743}, {'id': 'https://openalex.org/keywords/heteroclinic-bifurcation', 'display_name': 'Heteroclinic bifurcation', 'score': 0.724277}, {'id': 'https://openalex.org/keywords/hamiltonian-dynamics', 'display_name': 'Hamiltonian Dynamics', 'score': 0.581761}, {'id': 'https://openalex.org/keywords/dynamical-systems', 'display_name': 'Dynamical Systems', 'score': 0.501797}, {'id': 'https://openalex.org/keywords/lagrangian-coherent-structures', 'display_name': 'Lagrangian Coherent Structures', 'score': 0.500766}, {'id': 'https://openalex.org/keywords/transversality', 'display_name': 'Transversality', 'score': 0.44652042}, {'id': 'https://openalex.org/keywords/slow-manifold', 'display_name': 'Slow manifold', 'score': 0.43695518}, {'id': 'https://openalex.org/keywords/manifold', 'display_name': 'Manifold (fluid mechanics)', 'score': 0.43188745}], 'concepts': [{'id': 'https://openalex.org/C200581526', 'wikidata': 'https://www.wikidata.org/wiki/Q690494', 'display_name': 'Homoclinic orbit', 'level': 4, 'score': 0.98541725}, {'id': 'https://openalex.org/C142115181', 'wikidata': 'https://www.wikidata.org/wiki/Q16948232', 'display_name': 'Heteroclinic cycle', 'level': 5, 'score': 0.8281126}, {'id': 'https://openalex.org/C184481792', 'wikidata': 'https://www.wikidata.org/wiki/Q1992087', 'display_name': 'Heteroclinic orbit', 'level': 5, 'score': 0.76298743}, {'id': 'https://openalex.org/C121770821', 'wikidata': 'https://www.wikidata.org/wiki/Q2072471', 'display_name': 'Hamiltonian system', 'level': 2, 'score': 0.74937856}, {'id': 'https://openalex.org/C73888704', 'wikidata': 'https://www.wikidata.org/wiki/Q1154357', 'display_name': 'Heteroclinic bifurcation', 'level': 5, 'score': 0.724277}, {'id': 'https://openalex.org/C16171025', 'wikidata': 'https://www.wikidata.org/wiki/Q863349', 'display_name': 'Singularity', 'level': 2, 'score': 0.69533867}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.5350588}, {'id': 'https://openalex.org/C134306372', 'wikidata': 'https://www.wikidata.org/wiki/Q7754', 'display_name': 'Mathematical analysis', 'level': 1, 'score': 0.50341886}, {'id': 'https://openalex.org/C134786449', 'wikidata': 'https://www.wikidata.org/wiki/Q3391255', 'display_name': 'Planar', 'level': 2, 'score': 0.45596215}, {'id': 'https://openalex.org/C24167531', 'wikidata': 'https://www.wikidata.org/wiki/Q2300767', 'display_name': 'Transversality', 'level': 2, 'score': 0.44652042}, {'id': 'https://openalex.org/C2778671503', 'wikidata': 'https://www.wikidata.org/wiki/Q7542110', 'display_name': 'Slow manifold', 'level': 3, 'score': 0.43695518}, {'id': 'https://openalex.org/C529865628', 'wikidata': 'https://www.wikidata.org/wiki/Q1790740', 'display_name': 'Manifold (fluid mechanics)', 'level': 2, 'score': 0.43188745}, {'id': 'https://openalex.org/C74650414', 'wikidata': 'https://www.wikidata.org/wiki/Q11397', 'display_name': 'Classical mechanics', 'level': 1, 'score': 0.36656386}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.24437216}, {'id': 'https://openalex.org/C2781349735', 'wikidata': 'https://www.wikidata.org/wiki/Q4904824', 'display_name': 'Bifurcation', 'level': 3, 'score': 0.18992308}, {'id': 'https://openalex.org/C158622935', 'wikidata': 'https://www.wikidata.org/wiki/Q660848', 'display_name': 'Nonlinear system', 'level': 2, 'score': 0.14848986}, {'id': 'https://openalex.org/C165160513', 'wikidata': 'https://www.wikidata.org/wiki/Q7524249', 'display_name': 'Singular perturbation', 'level': 2, 'score': 0.118713915}, {'id': 'https://openalex.org/C85075877', 'wikidata': 'https://www.wikidata.org/wiki/Q1154357', 'display_name': 'Bifurcation theory', 'level': 4, 'score': 0.118433684}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.100497186}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.06527215}, {'id': 'https://openalex.org/C78519656', 'wikidata': 'https://www.wikidata.org/wiki/Q101333', 'display_name': 'Mechanical engineering', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C121684516', 'wikidata': 'https://www.wikidata.org/wiki/Q7600677', 'display_name': 'Computer graphics (images)', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'http://en.cnki.com.cn/Article_en/CJFDTOTAL-GXYZ200402004.htm', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S57607574', 'display_name': 'Applied mathematics/Applied Mathematics. A Journal of Chinese Universities/Gao-xiao yingyong shuxue xuebao', 'issn_l': '1000-4424', 'issn': ['1000-4424', '1005-1031', '1993-0445'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W85632654', 'https://openalex.org/W3115753373', 'https://openalex.org/W3007915332', 'https://openalex.org/W2921474356', 'https://openalex.org/W2806454320', 'https://openalex.org/W2788862548', 'https://openalex.org/W2784208498', 'https://openalex.org/W2599210375', 'https://openalex.org/W2482409143', 'https://openalex.org/W23416030', 'https://openalex.org/W2089791893', 'https://openalex.org/W2087672806', 'https://openalex.org/W2087161062', 'https://openalex.org/W2034318653', 'https://openalex.org/W2033148438', 'https://openalex.org/W1969066919', 'https://openalex.org/W1598192068', 'https://openalex.org/W1562535777', 'https://openalex.org/W1547517800', 'https://openalex.org/W1004667392'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2382855647', 'counts_by_year': [], 'updated_date': '2024-09-19T02:26:24.775184', 'created_date': '2016-06-24'}