2451.生態(tài)系統(tǒng)中兩種群捕食被捕食系統(tǒng)研究

1、分類號(hào)—91751學(xué)校代碼10542密級(jí)學(xué)號(hào)201420100826生態(tài)系統(tǒng)中兩種群捕食一被捕食系統(tǒng)研究TheResearchofThePredator—preySystembetweenTwoSpeciesinTheEcosystem碩士生姓名：班立云指導(dǎo)教師姓名、職稱：羅治國(guó)教授學(xué)科專業(yè)：應(yīng)用數(shù)學(xué)研究方向：常微分方程湖南師范大學(xué)學(xué)位評(píng)定委員會(huì)辦公室二零一七年六月ABSTRACTWiththedevelopmentofthesocie

2、ty，itisfoundthatthebiomathematicsisplayingaimportantroleManybiologicalmathematicalmodelsareestablishedbyscientistsinwhichthepredator——preymodelisresearchedwidelyByanalyzingthepredator——preymodelweknowthatitcanguidepeople

3、toprotecttheenvironmentThusithasanimportantsignificancetoprotecttheecologicalenvironinentandsustainthedevelopmentPeoplemainlystudythedynamicspropertiesofthepredatorpreysystem，suchaspermanence、globalattractivityandextinct

4、ionandSOonThispapermainlystudythepermanenceandtheglobalattractivityofakindofpredatorpreysystemviathecomparisontheoremandtheLyapunovfunctionThispaperisconsistedofthefollowingthreechaptersInchapter1，weoutlinethepreparation

5、s、historicalbackgroundandthemainworksofthispaperInchapter2)westudythepermanenceofakindofpredator—preysystembythecomparisontheoremInchapter3，weprimarilystudytheglobalattractivityofakindofpredator—preysystembymeansoftheLya