{"id":"https://openalex.org/A5015658346","orcid":null,"observed_orcids":[],"display_name":"Daniel W. Hahs","raw_author_names":["D. W. Hahs","D.W. Hahs","Daniel Hahs","Daniel W. Hahs"],"full_name":"Hahs, Daniel W.","works_count":16,"cited_by_count":350,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":8,"i10_index":8},"ids":{"openalex":"https://openalex.org/A5015658346","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I17301866","ror":"https://ror.org/03xrrjk67","display_name":"University of Alabama","country_code":"US","type":"education","lineage":["https://openalex.org/I17301866"]},"years":[1989]},{"institution":{"id":"https://openalex.org/I200719446","ror":"https://ror.org/02vm5rt34","display_name":"Vanderbilt University","country_code":"US","type":"education","lineage":["https://openalex.org/I200719446"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I2801840469","ror":"https://ror.org/00nrhr905","display_name":"Torch Technologies (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I2801840469"]},"years":[2019,2014,2013,2012]},{"institution":{"id":"https://openalex.org/I2802705668","ror":"https://ror.org/02rdkx920","display_name":"United States Army Combat Capabilities Development Command","country_code":"US","type":"other","lineage":["https://openalex.org/I1304082316","https://openalex.org/I1330347796","https://openalex.org/I2802705668","https://openalex.org/I4210154437"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I3021693401","ror":"https://ror.org/01xyfgx59","display_name":"Dynetics (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I3021693401"]},"years":[2002,1997]},{"institution":{"id":"https://openalex.org/I55486353","ror":"https://ror.org/00a6ram87","display_name":"Reed College","country_code":"US","type":"education","lineage":["https://openalex.org/I55486353"]},"years":[2012]},{"institution":{"id":"https://openalex.org/I82495205","ror":"https://ror.org/02zsxwr40","display_name":"University of Alabama in Huntsville","country_code":"US","type":"education","lineage":["https://openalex.org/I82495205"]},"years":[1989]}],"last_known_institutions":[{"id":"https://openalex.org/I2801840469","ror":"https://ror.org/00nrhr905","display_name":"Torch Technologies (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I2801840469"]}],"topics":[{"id":"https://openalex.org/T10244","display_name":"Chaos control and synchronization","count":5,"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/T10588","display_name":"Mathematical Dynamics and Fractals","count":5,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"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/T10784","display_name":"Muscle activation and electromyography studies","count":3,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11017","display_name":"Chaos-based Image/Signal Encryption","count":3,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11236","display_name":"Control Systems and Identification","count":3,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13752","display_name":"Mechanics and Biomechanics Studies","value":3.93e-05,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10244","display_name":"Chaos control and synchronization","value":3.21e-05,"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/T11017","display_name":"Chaos-based Image/Signal Encryption","value":3.18e-05,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11270","display_name":"Complex Systems and Time Series Analysis","value":2.48e-05,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12261","display_name":"Statistical Mechanics and Entropy","value":2.03e-05,"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"}}],"x_concepts":[{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.7404220104217529},{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.6414059400558472},{"id":"105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","score":0.5271836519241333},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.44674667716026306},{"id":"154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","score":0.25142544507980347}],"counts_by_year":[{"year":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":0,"cited_by_count":6},{"year":2013,"works_count":3,"oa_works_count":2,"cited_by_count":16},{"year":2014,"works_count":2,"oa_works_count":1,"cited_by_count":24},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":26},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":26},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":10}],"display_name_alternatives":["D. W. Hahs","D.W. Hahs","Daniel Hahs","Daniel W. Hahs"],"block_key":"d hahs","works_api_url":"https://api.openalex.org/works?filter=author.id:A5015658346","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}