幾個(gè)映射類的半群結(jié)構(gòu)及性質(zhì)
發(fā)布時(shí)間:2018-07-18 15:28
【摘要】:本文考慮人口動(dòng)力學(xué)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(yīng)的單峰Allee映射、Sigmoid映射等;研究這幾類映射的某些性質(zhì)(如不動(dòng)點(diǎn)的個(gè)數(shù)、位置及其穩(wěn)定性等)在復(fù)合運(yùn)算下的可保持性;證明這些映射在復(fù)合運(yùn)算下是封閉的,即它們構(gòu)成半群,并給出例子說明理論結(jié)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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