| 关于L^2[0,r2]上人口算子根子空间完备性的注记 |
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| 引用本文： | 张连平.关于L^2[0,r2]上人口算子根子空间完备性的注记[J].山西大学学报(自然科学版),1993,16(4):357-360. |
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| 作者姓名： | 张连平 |
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| 作者单位： | 山西大学数学系 |
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| 摘 要： | 由于人口系统的发展主要决定于年龄段0,r_2]中人口的发展,其中r_2为妇女的最大生育年龄,所以讨论L~20,r_2]上的人口算子A_1是有意义的。本文改进了L~20,r_2】上人口算子A_1根子空间完备的结论,使其在更一般的假设条件下也成立。
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| 关 键 词： | 人口算子 根子空间 完备性 整函数 |
NOTE ON COMPLETENESS OF ROOT SUBSPACES OF POPULATION OPERATOR A_1 DEFINED IN L~2 [0,r_2] |
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| Zhang Lianping.NOTE ON COMPLETENESS OF ROOT SUBSPACES OF POPULATION OPERATOR A_1 DEFINED IN L~2 [0,r_2][J].Journal of Shanxi University (Natural Science Edition),1993,16(4):357-360. |
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| Authors: | Zhang Lianping |
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| Abstract: | Since the evolution of the whole population system is mainly dependent on the population evolution in the age interval 0,r_2], r_2 being the maximal fecundity age of female individuals, the discussion about the population operator A_1 defined in L~2 0,r_2] is meaningful. The conclusion that all of the root subspaces of A_1 are complete in L~2 0,r_2] is improved and it holds under some more general assumptions. |
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| Keywords: | population operator root subspaces completeness entire function of exponential type |
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