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15
277
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Fundamental group - constructing homotpies

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#general-topology #proof-explanation #fundamental-groups
652
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Fundamental group of $S^1\vee S^1$ without applying seifert-van kampen's theorem

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#algebraic-topology #circles #homotopy-theory #fundamental-groups #retraction
575
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When the Induced homomorphism on fundamental groups is surjective?

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#general-topology #algebraic-topology #homotopy-theory #fundamental-groups
382
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What does fundamental (homotopy) groups measure?

Published on
#algebraic-topology #fundamental-groups #higher-homotopy-groups
287
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Compute the fundamental group of $\mathbb{C} \setminus \{0\}$

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#algebraic-topology #fundamental-groups
223
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Fundamental Group of complex Grassmannian

Published on
#algebraic-topology #fundamental-groups #grassmannian
385
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Does every topological space have a fundamental group?

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#general-topology #algebraic-topology #fundamental-groups #path-connected
704
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Homotopic paths in a simply connected space

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#algebraic-topology #fundamental-groups
72
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The quotient of the Path group by the null-homotopic loops is simply connected

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#general-topology #algebraic-topology #topological-groups #covering-spaces #fundamental-groups
98
Views

Prove the homomorphism of fundamental groups is injective

Published on
#fundamental-groups
998
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Fundamental group of a bouquet of circles

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#general-topology #algebraic-topology #fundamental-groups
76
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Fundamental group of a bucket

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#general-topology #algebraic-topology #differential-topology #fundamental-groups
87
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Opening a cube does not change its homotopy type

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#general-topology #algebraic-topology #differential-topology #homotopy-theory #fundamental-groups
660
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Fundamental group of the plane minus $n$ points

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#general-topology #algebraic-topology #differential-topology #fundamental-groups
541
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Fundamental group of a sphere with a handle

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#algebraic-topology #fundamental-groups

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