An age-structured epidemic model for the demographic transition
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DOI: 10.1007/s00285-018-1253-7
Abstract: In this paper, we formulate an age-structured epidemic model for the demographic transition in which we assume that the cultural norms leading to lower fertility are transmitted amongst individuals in the same way as infectious… read more here.
Keywords: model demographic; age structured; epidemic model; model ... See more keywords
The Non-Eigenvalue Form of Liouville’s Formula and α-Matrix Exponential Solutions for Combined Matrix Dynamic Equations on Time Scales
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DOI: 10.3390/math7100962
Abstract: In this paper, the non-eigenvalue forms of Liouville’s formulas for delta, nabla and α -diamond matrix dynamic equations on time scales are given and proved. Meanwhile, a diamond matrix exponential function (or α -matrix exponential… read more here.
Keywords: matrix dynamic; matrix exponential; time scales; non eigenvalue ... See more keywords