Videos for: Fugru
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The Klein Bottle is a surface on which you can move from outside to inside without crossing an ...
This video illustrates the proof of the Theorem in the title. The proof goes like this: ...
Gluing is a good method to construct new topological spaces from known ones. Here a rectangles is ...
Here the stereographic projection of the sphere to the plane is illustrated. Also a proof that the ...
This video illustrates operations on open sets (symbolized by burning objects). The fire symbolizes ...
Here an operation on a rectangle is shown that is not a homeomorphism. Punching a hole in a ...
Gluing is a good method to construct new topological spaces from known ones. Here two rectangles ...
A path is called null homotopic, if it can be contracted to a point.
This Video was produces for ...
A covering of a topological space X is a topological space Y together with a continuous surjective ...
This video illustrated the construction of the fundamental Group of a topological space.
Inside ...
This clip shows two non homeomorphic topological spaces (a line segment and a circle).
Proof: We ...
Paths are null-homotopic if they can be contracted to a point. The path in the clip is not ...
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