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Titlebook: Geometric Inequalities; Yuriĭ Dmitrievich Burago,Viktor Abramovich Zalgall Book 1988 Springer-Verlag Berlin Heidelberg 1988 Mean curvature

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Jörg Schüttrumpf,Matthias Germert], [Eis], [Ras], [BiC], [KoN], [Sp], [Wo], [GKM], [dCar], [GLP], [K 1]. Our notations are closer to [GKM]. The variational theory of geodesics is used in an essential way. Its exposition may be found in the books [Mil 2], [Pos]. Comparison theorems are developed in part in [GKM], [K 1], [ChE], [BiC
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Anti-atherosclerotic activity1,The area F and the length L of any plane domain with rectifiable boundary satisfy the inequality . the equality sign holds only in the case of a circle.
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Pharmacological Models in Dermatology,To every pair of non-empty sets ., . ⊂ ℝ. their (vector) Minkowski . is defined by . + . = {. + .: . ∈ ., . ∈ .}. If ., . are compact sets (i.e. bounded closed sets), then . is compact. In this case each of the sets ., ., . necessarily has a volume (its Lebesgue measure). Denote these volumes by .(.), .(.), .(.).
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The Brunn-Minkowski Inequality and the Classical Isoperimetric Inequality,To every pair of non-empty sets ., . ⊂ ℝ. their (vector) Minkowski . is defined by . + . = {. + .: . ∈ ., . ∈ .}. If ., . are compact sets (i.e. bounded closed sets), then . is compact. In this case each of the sets ., ., . necessarily has a volume (its Lebesgue measure). Denote these volumes by .(.), .(.), .(.).
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Mixed Volumes,As before, . denotes the vector sum (Minkowski sum) of the subsets . and . of Euclidean space ℝ., while . = {.: . ∈ .} is the result of the homothety of . with coefficient .. In this chapter (except for Addendum 2), we consider only non-empty convex compact subsets of the space ℝ., often without saying it explicitly.
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,Immersions in ℝn,curvatures of (., .) with respect to the normal .., i.e. the eigenvalues of .(..). The vector.(the sum being taken over . from 1 to n − m) does not depend on the choice of orthonormed basis {..} in .. This vector . is said to be the . of the .-dimensional surface (., .) at the point . ∈ . and its norm.is the ..
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