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Measures of symmetry for convex sets...
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  • Measures of symmetry for convex sets and stability[electronic resource] /
  • 紀錄類型: 書目-語言資料,印刷品 : Monograph/item
    杜威分類號: 516.1
    書名/作者: Measures of symmetry for convex sets and stability/ by Gabor Toth.
    作者: Toth, Gabor.
    出版者: Cham : : Springer International Publishing :, 2015.
    面頁冊數: xii, 278 p. : : ill. (some col.), digital ;; 24 cm.
    Contained By: Springer eBooks
    標題: Mathematics.
    標題: Convex geometry.
    標題: Discrete geometry.
    標題: Convex and Discrete Geometry.
    ISBN: 9783319237336
    ISBN: 9783319237329
    內容註: First Things First on Convex Sets -- Affine Diameters and the Critical Set -- Measures of Stability and Symmetry -- Mean Minkowski Measures.
    摘要、提要註: This textbook treats two important and related matters in convex geometry: the quantification of symmetry of a convex set -- measures of symmetry -- and the degree to which convex sets that nearly minimize such measures of symmetry are themselves nearly symmetric -- the phenomenon of stability. By gathering the subject's core ideas and highlights around Grunbaum's general notion of measure of symmetry, it paints a coherent picture of the subject, and guides the reader from the basics to the state-of-the-art. The exposition takes various paths to results in order to develop the reader's grasp of the unity of ideas, while interspersed remarks enrich the material with a behind-the-scenes view of corollaries and logical connections, alternative proofs, and allied results from the literature. Numerous illustrations elucidate definitions and key constructions, and over 70 exercises -- with hints and references for the more difficult ones -- test and sharpen the reader's comprehension. The presentation includes: a basic course covering foundational notions in convex geometry, the three pillars of the combinatorial theory (the theorems of Caratheodory, Radon, and Helly), critical sets and Minkowski measure, the Minkowski-Radon inequality, and, to illustrate the general theory, a study of convex bodies of constant width; two proofs of F. John's ellipsoid theorem; a treatment of the stability of Minkowski measure, the Banach-Mazur metric, and Groemer's stability estimate for the Brunn-Minkowski inequality; important specializations of Grunbaum's abstract measure of symmetry, such as Winternitz measure, the Rogers-Shepard volume ratio, and Guo's Lp -Minkowski measure; a construction by the author of a new sequence of measures of symmetry, the kth mean Minkowski measure; and lastly, an intriguing application to the moduli space of certain distinguished maps from a Riemannian homogeneous space to spheres -- illustrating the broad mathematical relevance of the book's subject.
    電子資源: http://dx.doi.org/10.1007/978-3-319-23733-6
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