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Author: Eugene Solomon Talbot
Publisher:
ISBN:
Category : Abnormalities, Human
Languages : en
Pages : 426
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Book Description
Author: Eugene Solomon Talbot
Publisher:
ISBN:
Category : Abnormalities, Human
Languages : en
Pages : 426
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Book Description
Author: Max Simon Nordau
Publisher:
ISBN:
Category : Comparative literature
Languages : en
Pages : 588
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Book Description
Author: Thomas Parr
Publisher: MIT Press
ISBN: 0262362287
Category : Science
Languages : en
Pages : 313
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Book Description
The first comprehensive treatment of active inference, an integrative perspective on brain, cognition, and behavior used across multiple disciplines. Active inference is a way of understanding sentient behavior—a theory that characterizes perception, planning, and action in terms of probabilistic inference. Developed by theoretical neuroscientist Karl Friston over years of groundbreaking research, active inference provides an integrated perspective on brain, cognition, and behavior that is increasingly used across multiple disciplines including neuroscience, psychology, and philosophy. Active inference puts the action into perception. This book offers the first comprehensive treatment of active inference, covering theory, applications, and cognitive domains. Active inference is a “first principles” approach to understanding behavior and the brain, framed in terms of a single imperative to minimize free energy. The book emphasizes the implications of the free energy principle for understanding how the brain works. It first introduces active inference both conceptually and formally, contextualizing it within current theories of cognition. It then provides specific examples of computational models that use active inference to explain such cognitive phenomena as perception, attention, memory, and planning.
Author: Peter Zörnig
Publisher: Springer Science & Business Media
ISBN: 3642457029
Category : Business & Economics
Languages : en
Pages : 211
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Book Description
Many problems in economics can be formulated as linearly constrained mathematical optimization problems, where the feasible solution set X represents a convex polyhedral set. In practice, the set X frequently contains degenerate verti- ces, yielding diverse problems in the determination of an optimal solution as well as in postoptimal analysis.The so- called degeneracy graphs represent a useful tool for des- cribing and solving degeneracy problems. The study of dege- neracy graphs opens a new field of research with many theo- retical aspects and practical applications. The present pu- blication pursues two aims. On the one hand the theory of degeneracy graphs is developed generally, which will serve as a basis for further applications. On the other hand dege- neracy graphs will be used to explain simplex cycling, i.e. necessary and sufficient conditions for cycling will be de- rived.
Author: H.-J. Kruse
Publisher: Springer Science & Business Media
ISBN: 3642492703
Category : Business & Economics
Languages : en
Pages : 138
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Book Description
A few years ago nobody would have anticipated that in connection with degeneracy in Linear Programming quite a new field. could originate. In 1976 a very simple question has been posed: in the case an extreme pOint (EP) of a polytope is degenerate and the task is to find all neighbouring EP's of the degenerate EP, is it necessary to determine all basic solutions of the corresponding equalities system associated with the degenerate EP -in order to be certain to determine all neighbours of this EP? This question implied another one: Does there exists a subset of the mentioned set of basic solutions such that it suffices to find such a subset in order to determine all neighbours? The first step to solve these questions (which are motivated in the first Chapter of this book) was to define a graph (called degeneracy graph) the nodes of which correspond to the basic solutions. It turned out that such a graph has some special properties and in order to solve the above questions firstly these properties had to be investigated. Also the structure of degeneracy graphs playes hereby an important role. Because the theory of degeneracy graphs was quite new, it was necessary to elaborate first a completely new terminology and to define new notions. Dr.
Author: William Fulton
Publisher: Springer
ISBN: 3540698043
Category : Mathematics
Languages : en
Pages : 158
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Book Description
Schubert varieties and degeneracy loci have a long history in mathematics, starting from questions about loci of matrices with given ranks. These notes, from a summer school in Thurnau, aim to give an introduction to these topics, and to describe recent progress on these problems. There are interesting interactions with the algebra of symmetric functions and combinatorics, as well as the geometry of flag manifolds and intersection theory and algebraic geometry.
Author: Thomas Edward Jordan
Publisher: SUNY Press
ISBN: 9780791412466
Category : Social Science
Languages : en
Pages : 364
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Book Description
A book in the ecology of child development, The Degeneracy Crisis and Victorian Youth studies stress in the lives of children in the Victorian age (1837 - 1901). The term degeneracy is pursued in the context of biosocial problems, especially those involving the young. The book begins by presenting an overview of the nineteenth century, noting the changes in population, urbanization, the reform movement, and the rise of Darwinism. It next examines the social and health contexts in which human development took place, considering genetics, nutrition, health, mortality, and climate. Jordan then addresses empirically the nature of growth in Victorian children and young adults, presenting height and health data and using them as the dependent measure for descriptive and multivariate analysis of the Victorian economy. The concept of degeneracy, the evolution of social policy, and the efforts of specific reformers are discussed with attention to the role of government policy toward the end of the period.
Author: Jeroen Spandaw
Publisher: American Mathematical Soc.
ISBN: 0821831836
Category : Mathematics
Languages : en
Pages : 154
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Book Description
Studies the cohomology of degeneracy loci. This title assumes that $E\otimes F DEGREES\vee$ is ample and globally generated, and that $\psi$ is a general homomorphism. In order to study the cohomology of $Z$, it considers the Grassmannian bundle $\pi\colon Y: =\mathbb{G}(f-r, F)\to X$ of $(f-r)$-dimensional linear subspaces of the fibre
Author: Edwin Cox (Dental Surgeon.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 132
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Book Description
Author: Laurent Manivel
Publisher: American Mathematical Soc.
ISBN: 9780821821541
Category : Computers
Languages : en
Pages : 180
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Book Description
This text grew out of an advanced course taught by the author at the Fourier Institute (Grenoble, France). It serves as an introduction to the combinatorics of symmetric functions, more precisely to Schur and Schubert polynomials. Also studied is the geometry of Grassmannians, flag varieties, and especially, their Schubert varieties. This book examines profound connections that unite these two subjects. The book is divided into three chapters. The first is devoted to symmetricfunctions and especially to Schur polynomials. These are polynomials with positive integer coefficients in which each of the monomials correspond to a Young tableau with the property of being ``semistandard''. The second chapter is devoted to Schubert polynomials, which were discovered by A. Lascoux andM.-P. Schutzenberger who deeply probed their combinatorial properties. It is shown, for example, that these polynomials support the subtle connections between problems of enumeration of reduced decompositions of permutations and the Littlewood-Richardson rule, a particularly efficacious version of which may be derived from these connections. The final chapter is geometric. It is devoted to Schubert varieties, subvarieties of Grassmannians, and flag varieties defined by certain incidenceconditions with fixed subspaces. This volume makes accessible a number of results, creating a solid stepping stone for scaling more ambitious heights in the area. The author's intent was to remain elementary: The first two chapters require no prior knowledge, the third chapter uses some rudimentary notionsof topology and algebraic geometry. For this reason, a comprehensive appendix on the topology of algebraic varieties is provided. This book is the English translation of a text previously published in French.
