Media Summary: Inspired by Matt Parker's recent video, this animation shows how a This was a talk at the Freedman 60 workshop. Cut a small hole in a donut. Can you turn it inside-out? The answer, as shown in this looping video, is "yes!" Notice how the blue ...

The Punctured Torus - Detailed Analysis & Overview

Inspired by Matt Parker's recent video, this animation shows how a This was a talk at the Freedman 60 workshop. Cut a small hole in a donut. Can you turn it inside-out? The answer, as shown in this looping video, is "yes!" Notice how the blue ... Check also the cut open version: Original version: 2008 ( This ... ... induction via the myoviator sequence so we will take the following covering of our surface what we do is we take out a The Wolfram Demonstrations Project contains ...

Featuring Professor Carlo Séquin - see more from him at: More links & stuff in full description below ...

Photo Gallery

The punctured torus
Punctured torus homeomorphism
Punctured thick torus becomes 3-punctured thick sphere
Punctured Torus
Applied topology 3: A punctured torus is homotopy equivalent to a figure eight
Deformation Retract of Punctured Torus
Fukaya Category of the Punctured Torus
Turning a Torus Inside-Out (Punctured Torus Eversion)
Torus eversion: colorblind friendly version
Cohomology of g-holed Torus (part 1)- Inclusion of Circle into Punctured Torus
Turning a Punctured Torus Inside Out (Variation)
Topology of a Twisted Torus - Numberphile
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The punctured torus

The punctured torus

This video explains why the

Punctured torus homeomorphism

Punctured torus homeomorphism

This video illustrates homeomorphism of

Punctured thick torus becomes 3-punctured thick sphere

Punctured thick torus becomes 3-punctured thick sphere

Inspired by Matt Parker's recent video, this animation shows how a

Punctured Torus

Punctured Torus

A

Applied topology 3: A punctured torus is homotopy equivalent to a figure eight

Applied topology 3: A punctured torus is homotopy equivalent to a figure eight

Applied topology 3:

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Deformation Retract of Punctured Torus

Deformation Retract of Punctured Torus

Demonstration that

Fukaya Category of the Punctured Torus

Fukaya Category of the Punctured Torus

This was a talk at the Freedman 60 workshop.

Turning a Torus Inside-Out (Punctured Torus Eversion)

Turning a Torus Inside-Out (Punctured Torus Eversion)

Cut a small hole in a donut. Can you turn it inside-out? The answer, as shown in this looping video, is "yes!" Notice how the blue ...

Torus eversion: colorblind friendly version

Torus eversion: colorblind friendly version

Check also the cut open version: https://youtu.be/Cw4aTVi8ndQ Original version: 2008 (https://youtu.be/kQcy5DvpvlM) This ...

Cohomology of g-holed Torus (part 1)- Inclusion of Circle into Punctured Torus

Cohomology of g-holed Torus (part 1)- Inclusion of Circle into Punctured Torus

... induction via the myoviator sequence so we will take the following covering of our surface what we do is we take out a

Turning a Punctured Torus Inside Out (Variation)

Turning a Punctured Torus Inside Out (Variation)

http://demonstrations.wolfram.com/TurningAPuncturedTorusInsideOutVariation/ The Wolfram Demonstrations Project contains ...

Topology of a Twisted Torus - Numberphile

Topology of a Twisted Torus - Numberphile

Featuring Professor Carlo Séquin - see more from him at: http://bit.ly/carlosequin More links & stuff in full description below ...

Punctured Torus Inversion

Punctured Torus Inversion

How to turn