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 Least squares in a nonordinary sense
 Archimedes’ principle for hyperbolic plane
 Archimedes and the area of sphere
 Zeros of random polynomials
 Hopf fibration double covers circle bundle of sphere
 Euler’s formula e^ix = cos x + i sin x: a geometric approach
 An inequality for functions on the plane
 Weighted isoperimetric inequalities in warped product manifolds
 FaberKrahn inequality
 Why is a² + b² ≥ 2ab ?
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 Dual norm in R^n
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 Surjectivity of Gauss map and its degree
 Taylor expansion of metric
 Sobolev and Isoperimetric Inequality
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 Why is a² + b² ≥ 2ab ?
 Lie groups with biinvariant Riemannian metric
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