User:Pokipsy76~commonswiki
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These are my self-made contributions:
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The behaviour of the Arnold's cat map
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Venn diagram of A→B
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Dominos
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Affinization of a projective plane
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2D representation of Brouwer fixed point theorem
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1D representation of Brouwer fixed point theorem
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Graph of
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Definition of the winding number
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Illustration of a property of the tangent to an ellipse
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An example of a vector field
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A torus
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Stating Heros' theorem
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Proving the Hero's theorem
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Sperner's lemma in 1D
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Sperner's lemma in 2D
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Proving Sperner's lemma
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Proving Brouwer's theorem via Sperner's lemma
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Illustration of the Index theorem
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Stable and unstable equilibria
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Index of a vector field
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Proving the fundamental theorem of algebra