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＜電子ブック＞
The Geometry of Population Genetics / by Ethan Akin
(Lecture Notes in Biomathematics. ISSN:21969981 ; 31)

版	1st ed. 1979.
出版者	(Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer)
出版年	1979
大きさ	IV, 208 p : online resource
著者標目	*Akin, Ethan author SpringerLink (Online service)
件　名	LCSH:Geometry, Differential LCSH:Biomathematics FREE:Differential Geometry FREE:Mathematical and Computational Biology
一般注記	I. The Vectorfield Model of Population Genetics -- 1. The Equations of Selection, Recombination and Mutation -- 2. Multivariate Analysis and Types of Epistasis -- 3. Euclidean Vector Spaces and Riemannian Manifolds -- 4. The Shahshahani Metric -- 5. The Product Theorems and Epistasis -- 6. The Selection Field -- 7. The Recombination Field -- 8. The Mutation Field -- 9. The Combined Field -- II. The Geometry of Epistasis -- 1. Orthogonal Decompositions -- 2. The Product Model -- III. Selection, Recombination and Mutation -- 1. Selection and Epistasis -- 2. Recombination and Entropy -- 3. Recombination and Epistasis -- 4. Position Effects -- 5. Mutation -- IV. The Hopf Bifurcation -- 1. The Hessian -- 2. The Wright Conjecture -- 1. Proper Mappings -- 2. Partially Defined Distributions -- 3. Game Dynamics The differential equations which model the action of selection and recombination are nonlinear equations which are impossible to It is even difficult to describe in general the solve explicitly. Recently, Shahshahani began using qualitative behavior of solutions. differential geometry to study these equations [28]. with this mono­ graph I hope to show that his ideas illuminate many aspects of pop­ ulation genetics. Among these are his proof and clarification of Fisher's Fundamental Theorem of Natural Selection and Kimura's Maximum Principle and also the effect of recombination on entropy. We also discover the relationship between two classic measures of 2 genetic distance: the x measure and the arc-cosine measure. There are two large applications. The first is a precise definition of the biological concept of degree of epistasis which applies to general (i.e. frequency dependent) forms of selection. The second is the unexpected appearance of cycling. We show that cycles can occur in the two-locus-two-allele model of selection plus recombination even when the fitness numbers are constant (i.e. no frequency dependence). This work is addressed to two different kinds of readers which accounts for its mode of organization. For the biologist, Chapter I contains a description of the entire work with brief indications of a proof for the harder results. I imagine a reader with some familiarity with linear algebra and systems of differential equations. Ideal background is Hirsch and Smale's text [15] HTTP:URL=https://doi.org/10.1007/978-3-642-93128-4

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