Abba Gumel, University of Maryland, College Park, MD.

• R. Anguelov and J. M.-S. Lubuma, A second-order nonstandard finite difference scheme and application to model of biological and chemical processesM. T. Hoang, A generalized nonstandard finite difference method for a class of autonomous dynamical systems and its applicationsF. K. Alalhareth, M. Gupta, H. V. Kojouharov, and S. Roy, Higher-order modified nonstandard finite difference methods for autonomous dynamical systemsH. J. Eberl, A simple NSFD inspired method for monod kinetics with small half saturation constants in the chemostat settingM. Chapwanya and P. Dumani, Dynamics preserving nonstandard finite difference scheme for a microbial population model incorporating environmental stressT. Basu, R. Buckmire, Z. Coovadia, M. Diaz, D. A. Iniguez, and A. Scott, Using unity approximations to construct nonstandard finite difference schemes for Bernoulli differential equationsC. L. Shimp, J. V. Lambers, and P. M. Jordan, On the structure and evolution of poroacoustic solitary waves: Finite-time gradient catastrophe under the Darcy-Jordan modelC.-C. Ji and W. Dai, A fractional-order equation and its finite difference scheme for approximating a delay equationL. F. Strube and L. M. Childs, Multistability in a discrete-time SI epidemic model with Ricker growth: Infection-induced changes in population dynamicsJ. Mohammed-Awel and A. Gumel, A genetic-epidemiology modeling framework for malaria mosquitoes and diseaseM. A. Acuna-Zegarra, M. Santana-Cibrian, C. E. R. Hernandez-Vela, R. H. Mena, and J. X. Velasco-Hernandez, A retrospective analysis of COVID-19 dynamics in Mexcio and Peru: Studying hypothetical changes in the contact rateG. M. R. Costa, M. Lobosco, M. Ehrhardt, and R. F. Reis, Mathematical analysis and a nonstandard scheme for a model of the immune response against COVID-19A. Fulk and F. B. Agusto, Effects of rising temperature and prescribed fire on $\textit{Amblyomma Americanum}$ with ehrlichiosisE. N. Naumova, M. B. Yassai, J. Gorski, and Y. N. Naumov, Modeling T-cell repetoire response to a viral infection with short immunityS. A. Rucker, Geometric approach to the construction of Leah-type periodic functions: Basic and analytic propertiesI. H. Herron, Discursion on a paper of R. E. Mickens and J. E. Wilkins, Jr.

Abba Gumel, University of Maryland, College Park, MD.

• R. Anguelov and J. M.-S. Lubuma, A second-order nonstandard finite difference scheme and application to model of biological and chemical processesM. T. Hoang, A generalized nonstandard finite difference method for a class of autonomous dynamical systems and its applicationsF. K. Alalhareth, M. Gupta, H. V. Kojouharov, and S. Roy, Higher-order modified nonstandard finite difference methods for autonomous dynamical systemsH. J. Eberl, A simple NSFD inspired method for monod kinetics with small half saturation constants in the chemostat settingM. Chapwanya and P. Dumani, Dynamics preserving nonstandard finite difference scheme for a microbial population model incorporating environmental stressT. Basu, R. Buckmire, Z. Coovadia, M. Diaz, D. A. Iniguez, and A. Scott, Using unity approximations to construct nonstandard finite difference schemes for Bernoulli differential equationsC. L. Shimp, J. V. Lambers, and P. M. Jordan, On the structure and evolution of poroacoustic solitary waves: Finite-time gradient catastrophe under the Darcy-Jordan modelC.-C. Ji and W. Dai, A fractional-order equation and its finite difference scheme for approximating a delay equationL. F. Strube and L. M. Childs, Multistability in a discrete-time SI epidemic model with Ricker growth: Infection-induced changes in population dynamicsJ. Mohammed-Awel and A. Gumel, A genetic-epidemiology modeling framework for malaria mosquitoes and diseaseM. A. Acuna-Zegarra, M. Santana-Cibrian, C. E. R. Hernandez-Vela, R. H. Mena, and J. X. Velasco-Hernandez, A retrospective analysis of COVID-19 dynamics in Mexcio and Peru: Studying hypothetical changes in the contact rateG. M. R. Costa, M. Lobosco, M. Ehrhardt, and R. F. Reis, Mathematical analysis and a nonstandard scheme for a model of the immune response against COVID-19A. Fulk and F. B. Agusto, Effects of rising temperature and prescribed fire on $\textit{Amblyomma Americanum}$ with ehrlichiosisE. N. Naumova, M. B. Yassai, J. Gorski, and Y. N. Naumov, Modeling T-cell repetoire response to a viral infection with short immunityS. A. Rucker, Geometric approach to the construction of Leah-type periodic functions: Basic and analytic propertiesI. H. Herron, Discursion on a paper of R. E. Mickens and J. E. Wilkins, Jr.

Abba Gumel, University of Maryland, College Park, MD.

• R. Anguelov and J. M.-S. Lubuma, A second-order nonstandard finite difference scheme and application to model of biological and chemical processesM. T. Hoang, A generalized nonstandard finite difference method for a class of autonomous dynamical systems and its applicationsF. K. Alalhareth, M. Gupta, H. V. Kojouharov, and S. Roy, Higher-order modified nonstandard finite difference methods for autonomous dynamical systemsH. J. Eberl, A simple NSFD inspired method for monod kinetics with small half saturation constants in the chemostat settingM. Chapwanya and P. Dumani, Dynamics preserving nonstandard finite difference scheme for a microbial population model incorporating environmental stressT. Basu, R. Buckmire, Z. Coovadia, M. Diaz, D. A. Iniguez, and A. Scott, Using unity approximations to construct nonstandard finite difference schemes for Bernoulli differential equationsC. L. Shimp, J. V. Lambers, and P. M. Jordan, On the structure and evolution of poroacoustic solitary waves: Finite-time gradient catastrophe under the Darcy-Jordan modelC.-C. Ji and W. Dai, A fractional-order equation and its finite difference scheme for approximating a delay equationL. F. Strube and L. M. Childs, Multistability in a discrete-time SI epidemic model with Ricker growth: Infection-induced changes in population dynamicsJ. Mohammed-Awel and A. Gumel, A genetic-epidemiology modeling framework for malaria mosquitoes and diseaseM. A. Acuna-Zegarra, M. Santana-Cibrian, C. E. R. Hernandez-Vela, R. H. Mena, and J. X. Velasco-Hernandez, A retrospective analysis of COVID-19 dynamics in Mexcio and Peru: Studying hypothetical changes in the contact rateG. M. R. Costa, M. Lobosco, M. Ehrhardt, and R. F. Reis, Mathematical analysis and a nonstandard scheme for a model of the immune response against COVID-19A. Fulk and F. B. Agusto, Effects of rising temperature and prescribed fire on $\textit{Amblyomma Americanum}$ with ehrlichiosisE. N. Naumova, M. B. Yassai, J. Gorski, and Y. N. Naumov, Modeling T-cell repetoire response to a viral infection with short immunityS. A. Rucker, Geometric approach to the construction of Leah-type periodic functions: Basic and analytic propertiesI. H. Herron, Discursion on a paper of R. E. Mickens and J. E. Wilkins, Jr.