List questions from surgery-theory

84

Views

Reduced homology group $H_k(S^4 - N^4, \mathbb Z)=H^{4-k}(S^4 - N^4,\mathbb Z)=H_{k-1}(N^4, \mathbb Z)=\mathbb Z^2$?

Published on 09 Apr 2026 - 13:37

715

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Obtaining the three torus via Dehn surgery

Published on 25 Mar 2026 - 7:49

141

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Determining surfaces by self-gluing after removing interiors of two disks.

Published on 12 Apr 2026 - 21:56

38

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Exercice Quasiconformal Surgery (4.2.3)

Published on 29 Apr 2026 - 12:53

168

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Do higher-dimensional knots have interesting knot polynomials?

Published on 25 Mar 2026 - 12:09

504

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the knot surgery - from a $6^3_2$ knot to a $3_1$ trefoil knot

Published on 11 Apr 2026 - 1:40

251

Views

Why surgery produce a new 3-manifold?

Published on 25 Mar 2026 - 6:02

339

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Surgery results in a cylinder

Published on 05 Apr 2026 - 16:30

368

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Surgery and Euler Characteristic

Published on 13 Apr 2026 - 14:30

190

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Surgery presentations and gluing

Published on 13 Apr 2026 - 11:33

172

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How to get a Kirby diagram of $S^1 \times M^3$ if $M^3$ is given by a surgery diagram?

Published on 26 Apr 2026 - 22:25

1.3k

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Intuition for Exotic $\mathbb R^4$'s

Published on 14 Apr 2026 - 0:27

103

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Generalized Schoenflies - formalizing step in proof?

Published on 07 May 2026 - 8:57

144

Views

Why are embedded spheres removed in the connected sum but not in the handle attachment of (smooth) manifolds?

Published on 05 Apr 2026 - 21:37

254

Views

Confused about A. Kosinski's description of Surgery in his book "Differential Manifolds"

Published on 07 May 2026 - 5:44

List Question

Reduced homology group $H_k(S^4 - N^4, \mathbb Z)=H^{4-k}(S^4 - N^4,\mathbb Z)=H_{k-1}(N^4, \mathbb Z)=\mathbb Z^2$?

Obtaining the three torus via Dehn surgery

Determining surfaces by self-gluing after removing interiors of two disks.

Exercice Quasiconformal Surgery (4.2.3)

Do higher-dimensional knots have interesting knot polynomials?

the knot surgery - from a $6^3_2$ knot to a $3_1$ trefoil knot

Why surgery produce a new 3-manifold?

Surgery results in a cylinder

Surgery and Euler Characteristic

Surgery presentations and gluing

How to get a Kirby diagram of $S^1 \times M^3$ if $M^3$ is given by a surgery diagram?

Intuition for Exotic $\mathbb R^4$'s

Generalized Schoenflies - formalizing step in proof?

Why are embedded spheres removed in the connected sum but not in the handle attachment of (smooth) manifolds?

Confused about A. Kosinski's description of Surgery in his book "Differential Manifolds"

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