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    Stability analysis of periodic Fox production models 

    Idels, Lev (Applied Mathematics Institute, University of Alberta, 2006)
    In this paper we introduce a nonlinear Fox surplus production model in a periodic environment. The existence and stability of the periodic solutions of nonautonomous nonlinear differential equation (A) are analyzed. ...
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    Harvesting fisheries management strategies with modified effort function [pre-print] 

    Idels, Lev (Inderscience, 2008)
    In traditional harvesting model, a fishing effort, E, is defined by the fishing intensity and does not address the inverse effect of fish abundance on the fishing effort. In this paper, based on a canonical differential ...
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    Stability of a time-varying fishing model with delay [pre-print] 

    Berezansky, Leonid; Idels, Lev (Elsevier, 2008-05)
    We introduce a delay differential equation model which describes how fish are harvested (see Abstract Equation Image). In our previous studies we investigated the persistence of the equation and existence of a periodic ...
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    Oscillation and asymptotic stability of a delay differential equation with Richard's nonlinearity 

    Idels, Lev; Berezanksy, Leonid (Department of Mathematics, Texas State University, 2005)

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    Idels, Lev (4)
    Berezanksy, Leonid (1)Berezansky, Leonid (1)SubjectPopulation models (3)Delay differential equations (2)Fishes--Population viability analysis (2)Harvesting strategies (2)Differential equations (1)Differential equations, Nonlinear (1)Fishery management (1)Fox production model (1)Functional differential equations--Oscillation theory (1)Global and local stability (1)... View MoreDate Issued2008 (2)2006 (1)2005 (1)File Formatapplication/pdf (4)... View More
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