{"id":"https://openalex.org/A5000466784","orcid":"https://orcid.org/0000-0001-8310-7724","observed_orcids":["https://orcid.org/0000-0001-8310-7724"],"display_name":"Christian Biefel","raw_author_names":["Biefel, Christian","Christian Biefel"],"full_name":"Biefel, Christian","works_count":11,"cited_by_count":20,"summary_stats":{"2yr_mean_citedness":0.6666666666666666,"h_index":3,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5000466784","orcid":"https://orcid.org/0000-0001-8310-7724","observed_orcids":["https://orcid.org/0000-0001-8310-7724"]},"affiliations":[{"institution":{"id":"https://openalex.org/I181369854","ror":"https://ror.org/00f7hpc57","display_name":"Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg","country_code":"DE","type":"education","lineage":["https://openalex.org/I181369854"]},"years":[2025,2023,2022,2021]},{"institution":{"id":"https://openalex.org/I89864525","ror":"https://ror.org/02778hg05","display_name":"Universit\u00e4t Trier","country_code":"DE","type":"education","lineage":["https://openalex.org/I89864525"]},"years":[2022]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11413","display_name":"Risk and Portfolio Optimization","count":8,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10963","display_name":"Advanced Optimization Algorithms Research","count":6,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"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/T10720","display_name":"Complexity and Algorithms in Graphs","count":4,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T10545","display_name":"Optimization and Variational Analysis","count":3,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T11031","display_name":"Game Theory and Applications","count":2,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11413","display_name":"Risk and Portfolio Optimization","value":6.8e-05,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10963","display_name":"Advanced Optimization Algorithms Research","value":3e-05,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"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/T10545","display_name":"Optimization and Variational Analysis","value":1.66e-05,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T11458","display_name":"Advanced Wireless Communication Technologies","value":1.35e-05,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10720","display_name":"Complexity and Algorithms in Graphs","value":1.13e-05,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"193254401","wikidata":"https://www.wikidata.org/wiki/Q2160088","display_name":"Robust optimization","score":0.7432578802108765},{"id":"126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","score":0.6898000240325928},{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.6685179471969604},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.5559101700782776},{"id":"137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","score":0.48982784152030945}],"counts_by_year":[{"year":2021,"works_count":4,"oa_works_count":3,"cited_by_count":1},{"year":2022,"works_count":3,"oa_works_count":3,"cited_by_count":17},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":0}],"display_name_alternatives":["Biefel, Christian","Christian Biefel"],"block_key":"c biefel","works_api_url":"https://api.openalex.org/works?filter=author.id:A5000466784","updated_date":"2026-10-12T12:34:37","created_date":"2025-10-10T00:00:00"}