幾個映射類的半群結構及性質
發(fā)布時間:2018-07-18 15:28
【摘要】:本文考慮人口動力學中的幾類常見的重要映射,如logistic映射:f(x)=rx(1-x)(x∈R,r0為參數(shù))和具有Allee效應的單峰Allee映射、Sigmoid映射等;研究這幾類映射的某些性質(如不動點的個數(shù)、位置及其穩(wěn)定性等)在復合運算下的可保持性;證明這些映射在復合運算下是封閉的,即它們構成半群,并給出例子說明理論結果.
[Abstract]:In this paper, we consider some common important mappings in population dynamics, such as logistic mapping: f (x) rx (1-x) (x 鈭,
本文編號:2132336
[Abstract]:In this paper, we consider some common important mappings in population dynamics, such as logistic mapping: f (x) rx (1-x) (x 鈭,
本文編號:2132336
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