{"id":"https://openalex.org/W4238906677","doi":"https://doi.org/10.1080/00029890.2021.1877020","title":"PROBLEMS AND SOLUTIONS","display_name":"PROBLEMS AND SOLUTIONS","publication_year":2021,"publication_date":"2021-03-23","ids":{"openalex":"https://openalex.org/W4238906677","doi":"https://doi.org/10.1080/00029890.2021.1877020"},"language":"en","primary_location":{"id":"doi:10.1080/00029890.2021.1877020","is_oa":false,"landing_page_url":"https://doi.org/10.1080/00029890.2021.1877020","pdf_url":null,"source":{"id":"https://openalex.org/S156280010","display_name":"American Mathematical Monthly","issn_l":"0002-9890","issn":["0002-9890","1930-0972"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The American Mathematical Monthly","raw_type":"journal-article"},"type":"article","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/A5070211483","display_name":"Daniel H. Ullman","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Daniel H. Ullman","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009289337","display_name":"Daniel J. Velleman","orcid":"https://orcid.org/0000-0003-4632-1742"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Daniel J. Velleman","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017595199","display_name":"Douglas B. West","orcid":"https://orcid.org/0000-0001-8818-1667"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Douglas B. West","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":null,"display_name":"with the collaboration of Paul Bracken, Ezra A. Brown, Zachary Franco, L\u00e1szl\u00f3 Lipt\u00e1k, Rick Luttmann, Hosam Mahmoud, Frank B. Miles, Lenhard Ng, Kenneth Stolarsky, Richard Stong, Stan Wagon, Lawrence Washington, and Li Zhou.","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"with the collaboration of Paul Bracken, Ezra A. Brown, Zachary Franco, L\u00e1szl\u00f3 Lipt\u00e1k, Rick Luttmann, Hosam Mahmoud, Frank B. Miles, Lenhard Ng, Kenneth Stolarsky, Richard Stong, Stan Wagon, Lawrence Washington, and Li Zhou.","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5070211483"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.29116823,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"128","issue":"4","first_page":"376","last_page":"384"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12812","display_name":"Meromorphic and Entire Functions","score":0.05460000038146973,"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"}},"topics":[{"id":"https://openalex.org/T12812","display_name":"Meromorphic and Entire Functions","score":0.05460000038146973,"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"}},{"id":"https://openalex.org/T12661","display_name":"Iterative Methods for Nonlinear Equations","score":0.03370000049471855,"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/T10884","display_name":"Holomorphic and Operator Theory","score":0.02969999983906746,"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/asterisk","display_name":"Asterisk","score":0.7064594626426697},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6543006896972656},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.5363890528678894},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.2717951834201813},{"id":"https://openalex.org/keywords/voice-over-ip","display_name":"Voice over IP","score":0.0803619921207428}],"concepts":[{"id":"https://openalex.org/C2777977813","wikidata":"https://www.wikidata.org/wiki/Q190212","display_name":"Asterisk","level":4,"score":0.7064594626426697},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6543006896972656},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.5363890528678894},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.2717951834201813},{"id":"https://openalex.org/C171246234","wikidata":"https://www.wikidata.org/wiki/Q81945","display_name":"Voice over IP","level":3,"score":0.0803619921207428}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1080/00029890.2021.1877020","is_oa":false,"landing_page_url":"https://doi.org/10.1080/00029890.2021.1877020","pdf_url":null,"source":{"id":"https://openalex.org/S156280010","display_name":"American Mathematical Monthly","issn_l":"0002-9890","issn":["0002-9890","1930-0972"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The American Mathematical Monthly","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2241745500","https://openalex.org/W2393045699","https://openalex.org/W2561638868","https://openalex.org/W2243951709","https://openalex.org/W2375639425","https://openalex.org/W3148850656","https://openalex.org/W2125651256","https://openalex.org/W2296391490","https://openalex.org/W2419750282"],"abstract_inverted_index":{"Proposed":[0,30],"problems":[1,11,31],"should":[2,13],"be":[3,14,34,43],"submitted":[4,15],"online":[5],"at":[6,38],"americanmathematicalmonthly.submittable.com/submit.Proposed":[7],"solutions":[8],"to":[9,45],"the":[10,21,46,49,58],"below":[12],"by":[16],"August":[17],"31,":[18],"2021,":[19],"via":[20],"same":[22],"link.":[23],"More":[24],"detailed":[25],"instructions":[26],"are":[27],"available":[28],"online.":[29],"must":[32],"not":[33],"under":[35],"consideration":[36],"concurrently":[37],"any":[39],"other":[40],"journal":[41],"nor":[42],"posted":[44],"internet":[47],"before":[48],"deadline":[50],"date":[51],"for":[52],"solutions.":[53],"An":[54],"asterisk":[55],"(*)":[56],"after":[57],"number":[59],"of":[60,66],"a":[61,64,67],"problem":[62,68],"or":[63],"part":[65],"indicates":[69],"that":[70],"no":[71],"solution":[72],"is":[73],"currently":[74],"available.":[75]},"counts_by_year":[],"updated_date":"2026-03-03T08:47:05.690250","created_date":"2025-10-10T00:00:00"}