{"id":"https://openalex.org/W127815253","doi":"https://doi.org/10.1007/bfb0086577","title":"Approximation in G-homogeneous Banach spaces","display_name":"Approximation in G-homogeneous Banach spaces","publication_year":1977,"publication_date":"1977-01-01","ids":{"openalex":"https://openalex.org/W127815253","doi":"https://doi.org/10.1007/bfb0086577","mag":"127815253"},"language":"en","primary_location":{"id":"doi:10.1007/bfb0086577","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bfb0086577","pdf_url":null,"source":{"id":"https://openalex.org/S118039931","display_name":"Lecture notes in mathematics","issn_l":"0075-8434","issn":["0075-8434","1617-9692"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Mathematics","raw_type":"book-chapter"},"type":"book-chapter","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009476235","display_name":"Walter Schempp","orcid":"https://orcid.org/0000-0001-6199-5863"},"institutions":[{"id":"https://openalex.org/I2800742272","display_name":"Folkwang University of the Arts","ror":"https://ror.org/03gf02c22","country_code":"DE","type":"education","lineage":["https://openalex.org/I2800742272"]},{"id":"https://openalex.org/I206895457","display_name":"University of Siegen","ror":"https://ror.org/02azyry73","country_code":"DE","type":"education","lineage":["https://openalex.org/I206895457"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Walter Schempp","raw_affiliation_strings":["Lehrstuhl fuer Mathematik I, University of Siegen, Hoelderlinstrasse 3, D-5900, Siegen 21, Federal Republic of Germany","Lehrstuhl f\u00fcr Mathematik I, Universit\u00e4t Siegen, H\u00fclderlinstra\u00dfe 3, 5900, Siegen 21, BRD"],"affiliations":[{"raw_affiliation_string":"Lehrstuhl fuer Mathematik I, University of Siegen, Hoelderlinstrasse 3, D-5900, Siegen 21, Federal Republic of Germany","institution_ids":["https://openalex.org/I206895457"]},{"raw_affiliation_string":"Lehrstuhl f\u00fcr Mathematik I, Universit\u00e4t Siegen, H\u00fclderlinstra\u00dfe 3, 5900, Siegen 21, BRD","institution_ids":["https://openalex.org/I2800742272","https://openalex.org/I206895457"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5009476235"],"corresponding_institution_ids":["https://openalex.org/I206895457","https://openalex.org/I2800742272"],"apc_list":null,"apc_paid":null,"fwci":2.0455,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.82802548,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"220","last_page":"225"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11545","display_name":"Advanced Banach Space Theory","score":0.9987999796867371,"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"}},"topics":[{"id":"https://openalex.org/T11545","display_name":"Advanced Banach Space Theory","score":0.9987999796867371,"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/T12062","display_name":"Approximation Theory and Sequence Spaces","score":0.9959999918937683,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"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/T11049","display_name":"Advanced Harmonic Analysis Research","score":0.9843999743461609,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8811886310577393},{"id":"https://openalex.org/keywords/banach-space","display_name":"Banach space","score":0.6634109020233154},{"id":"https://openalex.org/keywords/homogeneous","display_name":"Homogeneous","score":0.6625527739524841},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.47338786721229553},{"id":"https://openalex.org/keywords/interpolation-space","display_name":"Interpolation space","score":0.41387107968330383},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.34983962774276733},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.13613775372505188},{"id":"https://openalex.org/keywords/functional-analysis","display_name":"Functional analysis","score":0.11848464608192444}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8811886310577393},{"id":"https://openalex.org/C132954091","wikidata":"https://www.wikidata.org/wiki/Q194397","display_name":"Banach space","level":2,"score":0.6634109020233154},{"id":"https://openalex.org/C66882249","wikidata":"https://www.wikidata.org/wiki/Q169336","display_name":"Homogeneous","level":2,"score":0.6625527739524841},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.47338786721229553},{"id":"https://openalex.org/C6183050","wikidata":"https://www.wikidata.org/wiki/Q3058180","display_name":"Interpolation space","level":4,"score":0.41387107968330383},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.34983962774276733},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.13613775372505188},{"id":"https://openalex.org/C55112680","wikidata":"https://www.wikidata.org/wiki/Q190549","display_name":"Functional analysis","level":3,"score":0.11848464608192444},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bfb0086577","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bfb0086577","pdf_url":null,"source":{"id":"https://openalex.org/S118039931","display_name":"Lecture notes in mathematics","issn_l":"0075-8434","issn":["0075-8434","1617-9692"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Mathematics","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1964851615","https://openalex.org/W1970724949","https://openalex.org/W1996604531","https://openalex.org/W2018340454","https://openalex.org/W2057030829","https://openalex.org/W2128633210","https://openalex.org/W2139813589","https://openalex.org/W2144181355"],"related_works":["https://openalex.org/W1598955744","https://openalex.org/W4384111961","https://openalex.org/W4285167822","https://openalex.org/W2951710344","https://openalex.org/W2144602163","https://openalex.org/W2204136089","https://openalex.org/W2127985649","https://openalex.org/W4249202279","https://openalex.org/W2950376781","https://openalex.org/W27346888"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}