{"id":"https://openalex.org/W1533122410","doi":"https://doi.org/10.1007/11527800_18","title":"P Systems: Some Recent Results and Research Problems","display_name":"P Systems: Some Recent Results and Research Problems","publication_year":2005,"publication_date":"2005-01-01","ids":{"openalex":"https://openalex.org/W1533122410","doi":"https://doi.org/10.1007/11527800_18","mag":"1533122410"},"language":"en","primary_location":{"id":"doi:10.1007/11527800_18","is_oa":false,"landing_page_url":"https://doi.org/10.1007/11527800_18","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","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/A5110211208","display_name":"\u00d3scar H. Ibarra","orcid":null},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Oscar H. Ibarra","raw_affiliation_strings":["Department of Computer Science, University of California, Santa Barbara, USA","Dept. of Computer Science, Univ. of California, Santa Barbara, CA#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of California, Santa Barbara, USA","institution_ids":["https://openalex.org/I154570441"]},{"raw_affiliation_string":"Dept. of Computer Science, Univ. of California, Santa Barbara, CA#TAB#","institution_ids":["https://openalex.org/I154570441"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5110211208"],"corresponding_institution_ids":["https://openalex.org/I154570441"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.099529,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"225","last_page":"237"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12029","display_name":"DNA and Biological Computing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T12029","display_name":"DNA and Biological Computing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10207","display_name":"Advanced biosensing and bioanalysis techniques","score":0.9926000237464905,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12162","display_name":"Cellular Automata and Applications","score":0.9876999855041504,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6917294263839722},{"id":"https://openalex.org/keywords/parallelism","display_name":"Parallelism (grammar)","score":0.6743912696838379},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5784249305725098},{"id":"https://openalex.org/keywords/hierarchy","display_name":"Hierarchy","score":0.5639355182647705},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.5592399835586548},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.5412676930427551},{"id":"https://openalex.org/keywords/membrane-computing","display_name":"Membrane computing","score":0.5398762226104736},{"id":"https://openalex.org/keywords/p-system","display_name":"P system","score":0.49257832765579224},{"id":"https://openalex.org/keywords/parallel-algorithm","display_name":"Parallel algorithm","score":0.4826350808143616},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4454543888568878},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.383122980594635},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.33125048875808716},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2633083164691925},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.2538731098175049},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.16252702474594116}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6917294263839722},{"id":"https://openalex.org/C2781172179","wikidata":"https://www.wikidata.org/wiki/Q853109","display_name":"Parallelism (grammar)","level":2,"score":0.6743912696838379},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5784249305725098},{"id":"https://openalex.org/C31170391","wikidata":"https://www.wikidata.org/wiki/Q188619","display_name":"Hierarchy","level":2,"score":0.5639355182647705},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.5592399835586548},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.5412676930427551},{"id":"https://openalex.org/C96011364","wikidata":"https://www.wikidata.org/wiki/Q6815122","display_name":"Membrane computing","level":2,"score":0.5398762226104736},{"id":"https://openalex.org/C70641290","wikidata":"https://www.wikidata.org/wiki/Q176974","display_name":"P system","level":2,"score":0.49257832765579224},{"id":"https://openalex.org/C120373497","wikidata":"https://www.wikidata.org/wiki/Q1087987","display_name":"Parallel algorithm","level":2,"score":0.4826350808143616},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4454543888568878},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.383122980594635},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33125048875808716},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2633083164691925},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.2538731098175049},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.16252702474594116},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/11527800_18","is_oa":false,"landing_page_url":"https://doi.org/10.1007/11527800_18","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","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":27,"referenced_works":["https://openalex.org/W148372433","https://openalex.org/W1517316446","https://openalex.org/W1531180769","https://openalex.org/W1575978973","https://openalex.org/W1580879785","https://openalex.org/W1600165002","https://openalex.org/W1857333088","https://openalex.org/W1865587098","https://openalex.org/W1970398023","https://openalex.org/W1971231744","https://openalex.org/W1982129592","https://openalex.org/W1988657298","https://openalex.org/W2003894975","https://openalex.org/W2017315323","https://openalex.org/W2021009590","https://openalex.org/W2074125075","https://openalex.org/W2113997157","https://openalex.org/W2115404543","https://openalex.org/W2119227111","https://openalex.org/W2148456801","https://openalex.org/W2149643459","https://openalex.org/W2158708642","https://openalex.org/W2407328246","https://openalex.org/W2569177159","https://openalex.org/W3023981071","https://openalex.org/W4253060067","https://openalex.org/W4292003697"],"related_works":["https://openalex.org/W133180210","https://openalex.org/W2248827605","https://openalex.org/W2790090425","https://openalex.org/W3145952170","https://openalex.org/W1502066170","https://openalex.org/W2784545443","https://openalex.org/W2165417730","https://openalex.org/W24287785","https://openalex.org/W1837140855","https://openalex.org/W198137895"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}