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What balls? It’s a joke? What balls? It’s a joke?

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Presentation on theme: "What balls? It’s a joke? What balls? It’s a joke?"— Presentation transcript:

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4 What balls? It’s a joke? What balls? It’s a joke?

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6  Euclidean space

7  Distance

8  Euclidean space  Distance  Metric space

9  Euclidean space  Distance  Metric space  Ball

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13 M. R. Frechet

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32  „Introduction to metric spaces” in „ Metric and Topological Spaces” Dr J. F. FeinsteinJanuary 4, 2005  „Metric Spaces” in ” Introduction To Mathematical Analysis” John E. Hutchinson 1994 Revised by Richard J. Loy 1995/6/7 Department of Mathematics School of Mathematical Sciences ANU  „Metryki i topologie”, presentation Weroniki Siwek  http://www.maths.tcd.ie/~dk/public_html/MA2223_ch1.pdf ( December 2012)  http://mathworld.wolfram.com/ (December 2012)


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