A mathematical model of COVID-19 with multiple variants of the virus under optimal control in Ghana

• Young Rock Kim ,

  Contributed equally to this work with: Young Rock Kim, Youngho Min, Joy Nana Okogun-Odompley

  Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – review & editing

  Affiliation Major in Mathematics Education, Graduate School of Education, Hankuk University of Foreign Studies, Seoul, Republic of Korea

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• Youngho Min ,

  Contributed equally to this work with: Young Rock Kim, Youngho Min, Joy Nana Okogun-Odompley

  Roles Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: mathmyh@khu.ac.kr

  Affiliation Major in Mathematics Education, Graduate School of Education, Hankuk University of Foreign Studies, Seoul, Republic of Korea

  https://orcid.org/0000-0001-5338-1722

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• Joy Nana Okogun-Odompley

  Contributed equally to this work with: Young Rock Kim, Youngho Min, Joy Nana Okogun-Odompley

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft

  Affiliation Department of Mathematics, Hankuk University of Foreign Studies, Yongin, Republic of Korea

  https://orcid.org/0000-0002-2286-3291

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