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Closed Neighborhood Ideals of Finite Simple Graphs Jacob HoneycuttKeri Sather-Wagstaff Original Research Article 10 December 2021 Pages: 387 - 394
Even Values of Ramanujan’s Tau-Function Jennifer S. BalakrishnanKen OnoWei-Lun Tsai Original Research Article 10 December 2021 Pages: 395 - 403
Happy Numbers, Happy Functions, and Their Variations: A Survey Helen G. GrundmanLaura L. Hall-Seelig Original Research Article 21 December 2021 Pages: 404 - 430
Connectivity, Traceability and Hamiltonicity P. MafutaJ. P. MazorodzeJ. Mushanyu Original Research Article 10 January 2022 Pages: 431 - 441
Discrete Maximal Operators Over Surfaces of Higher Codimension Theresa C. AndersonAngel V. KumchevEyvindur A. Palsson Original Research Article 13 January 2022 Pages: 442 - 479
A Whipple \(_7F_6\) Formula Revisited Wen-Ching Winnie LiLing LongFang-Ting Tu Original Research Article 09 February 2022 Pages: 480 - 530
Asymptotic Normality of the Deconvolution Kernel Density Estimator based on Independent Right Censored Data Wenqing ZhuShan SunHrishabh Khakurel Original Research Article 24 February 2022 Pages: 531 - 550
An Enriched Category Theory of Language: From Syntax to Semantics Tai-Danae BradleyJohn TerillaYiannis Vlassopoulos Original Research Article 11 March 2022 Pages: 551 - 580
Correction to: Happy Numbers, Happy Functions, and Their Variations: A Survey Helen G. GrundmanLaura L. Hall-Seelig Correction 24 February 2022 Pages: 581 - 581