List questions from differential-topology

Published on 15 Apr 2026 - 13:47

527

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How show that a surface embedded is non-orientable?

Published on 13 Apr 2026 - 12:40

546

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Is there a compact, connected manifold $M$ with boundary $S^2$ not diffeomorphic to $D^3$?

Published on 14 Apr 2026 - 3:59

263

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show that subset of complex projective space is a submanifold

Published on 13 Apr 2026 - 8:39

153

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How to conclude that a path is non-trivial element of $\pi_1(M)$

Published on 15 Apr 2026 - 10:41

381

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The connection of Morse function

Published on 12 Apr 2026 - 15:38

1.8k

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Is the tangent bundle the DISJOINT union of tangent spaces?

Published on 10 Apr 2026 - 19:12

213

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Transversality of a mapping

Published on 11 May 2026 - 2:58

232

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a question about germs of functions

Published on 08 Apr 2026 - 16:57

84

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Is h-cobordism theorem true on smooth category?

Published on 16 Apr 2026 - 0:42

3.1k

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Why do people care about principal bundles?

Published on 11 Apr 2026 - 12:38

335

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Framed cobordism

Published on 11 Apr 2026 - 19:34

596

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Example of symplectic manifold

Published on 14 Apr 2026 - 21:20

890

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Morse homology of $P^2$

Published on 11 Apr 2026 - 19:47

1k

Views

How to obtain a Morse function on a submanifold of Euclidean space

Published on 09 Apr 2026 - 5:59

List Question

Contour Infinites and Vector Spaces

How show that a surface embedded is non-orientable?

Is there a compact, connected manifold $M$ with boundary $S^2$ not diffeomorphic to $D^3$?

show that subset of complex projective space is a submanifold

How to conclude that a path is non-trivial element of $\pi_1(M)$

The connection of Morse function

Is the tangent bundle the DISJOINT union of tangent spaces?

Transversality of a mapping

a question about germs of functions

Is h-cobordism theorem true on smooth category?

Why do people care about principal bundles?

Framed cobordism

Example of symplectic manifold

Morse homology of $P^2$

How to obtain a Morse function on a submanifold of Euclidean space

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