Edited by Daniel H. Ullman, Daniel J. Velleman, Stan Wagon, Douglas B. West
{"title":"Problems and Solutions","authors":"Edited by Daniel H. Ullman, Daniel J. Velleman, Stan Wagon, Douglas B. West","doi":"10.1080/00029890.2024.2389723","DOIUrl":"https://doi.org/10.1080/00029890.2024.2389723","url":null,"abstract":"Published in The American Mathematical Monthly (Ahead of Print, 2024)","PeriodicalId":501497,"journal":{"name":"The American Mathematical Monthly","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142218164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Edited by Daniel H. Ullman, Daniel J. Velleman, Stan Wagon, Douglas B. West
{"title":"Problems and Solutions","authors":"Edited by Daniel H. Ullman, Daniel J. Velleman, Stan Wagon, Douglas B. West","doi":"10.1080/00029890.2024.2376504","DOIUrl":"https://doi.org/10.1080/00029890.2024.2376504","url":null,"abstract":"Published in The American Mathematical Monthly (Ahead of Print, 2024)","PeriodicalId":501497,"journal":{"name":"The American Mathematical Monthly","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142218167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Area Under the Witch of Agnesi","authors":"David M. Bradley","doi":"10.1080/00029890.2024.2386921","DOIUrl":"https://doi.org/10.1080/00029890.2024.2386921","url":null,"abstract":"Published in The American Mathematical Monthly (Ahead of Print, 2024)","PeriodicalId":501497,"journal":{"name":"The American Mathematical Monthly","volume":"41 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142260301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"100 Years Ago This Month in The American Mathematical Monthly","authors":"Edited by Vadim Ponomarenko","doi":"10.1080/00029890.2024.2380231","DOIUrl":"https://doi.org/10.1080/00029890.2024.2380231","url":null,"abstract":"Published in The American Mathematical Monthly (Ahead of Print, 2024)","PeriodicalId":501497,"journal":{"name":"The American Mathematical Monthly","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142218169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rinnosuke Matsuhira, Toshiki Matsusaka, Koki Tsuchida
{"title":"How Long Can k-Göbel Sequences Remain Integers?","authors":"Rinnosuke Matsuhira, Toshiki Matsusaka, Koki Tsuchida","doi":"10.1080/00029890.2024.2379748","DOIUrl":"https://doi.org/10.1080/00029890.2024.2379748","url":null,"abstract":"Inspired by Episode 3 of the Japanese manga “Seisu-tan” by Doom Kobayashi and Shin-ichiro Seki, we investigate the k-Göbel sequence (gk,n)n named after Fritz Göbel. Although the sequence is genera...","PeriodicalId":501497,"journal":{"name":"The American Mathematical Monthly","volume":"21 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142269607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Kempner-like Harmonic Series","authors":"Jean-Paul Allouche, Claude Morin","doi":"10.1080/00029890.2024.2380232","DOIUrl":"https://doi.org/10.1080/00029890.2024.2380232","url":null,"abstract":"Inspired by a question asked on the list mathfun, we revisit Kempner-like series, i.e., harmonic sums ∑′1/n where the integers n in the summation have “restricted” digits. First we give a short pro...","PeriodicalId":501497,"journal":{"name":"The American Mathematical Monthly","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142218168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Note on Finite Nilpotent Groups","authors":"Nicholas J. Werner","doi":"10.1080/00029890.2024.2379751","DOIUrl":"https://doi.org/10.1080/00029890.2024.2379751","url":null,"abstract":"It is well known that if G is a group and H is a normal subgroup of G of finite index k, then xk∈H for every x∈G. We examine finite groups G with the property that xk∈H for every subgroup H of G, w...","PeriodicalId":501497,"journal":{"name":"The American Mathematical Monthly","volume":"37 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142218171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Vesta Coufal, Elizabeth Denne, Suzanne Dorée, Frank A. Farris, Perla Myers, Derek Smith
{"title":"Yueh-Gin Gung and Dr. Charles Y. Hu Award for 2024 to Michael Dorff for Distinguished Service to Mathematics","authors":"Vesta Coufal, Elizabeth Denne, Suzanne Dorée, Frank A. Farris, Perla Myers, Derek Smith","doi":"10.1080/00029890.2024.2336487","DOIUrl":"https://doi.org/10.1080/00029890.2024.2336487","url":null,"abstract":"","PeriodicalId":501497,"journal":{"name":"The American Mathematical Monthly","volume":"8 12","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141801034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Paul R. Halmos–Lester R. Ford Awards for 2023","authors":"","doi":"10.1080/00029890.2024.2342757","DOIUrl":"https://doi.org/10.1080/00029890.2024.2342757","url":null,"abstract":"","PeriodicalId":501497,"journal":{"name":"The American Mathematical Monthly","volume":"4 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141799419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Z[−5] : Halfway to Unique Factorization","authors":"Paul Pollack","doi":"10.1080/00029890.2024.2363732","DOIUrl":"https://doi.org/10.1080/00029890.2024.2363732","url":null,"abstract":"It is well known that factorization is not unique in Z[−5]. We give a short, self-contained proof that Z[−5] is “halfway” toward being a unique factorization domain: For every nonzero, nonunit α∈Z[...","PeriodicalId":501497,"journal":{"name":"The American Mathematical Monthly","volume":"111 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141771426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}