User ThorbenK - MathOverflow

ThorbenK

Member for 7 years, 5 months
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Bonn

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915

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5k

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4

answers

14

questions

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About

I'm a postdoc in mathematics from Germany and I'm mostly interested in topics related to manifolds.

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Mar 7

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Apr 17
Self-Learner

Aug 18, 2021
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Oct 16, 2021

Top tags

differential-topology

18

Score

10

Posts

56

Posts %

gt.geometric-topology

10

Score

12

Posts

67

Posts %

3-manifolds

8

Score

5

Posts

28

Posts %

at.algebraic-topology

8

Score

4

Posts

22

Posts %

dg.differential-geometry

8

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2

Posts

11

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manifolds

6

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4

Posts

22

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Top posts

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All Questions Answers

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11

Can we embed a closed manifold into a homotopy equivalent CW complex?

Aug 18, 2021

10

Doubles of 2-handlebodies

Apr 8

9

Action of diffeomorphism group on non-vanishing vector fields

Dec 5, 2018

8

Representing the fundamental class of an aspherical manifold in the bar complex

Oct 14, 2021

8

Parallelizability of 3-manifolds

Nov 26, 2019

7

Source request for $H^*(B\mathrm{TOP},\mathbb{Q}) \cong H^*(BO,\mathbb{Q})$

Apr 1, 2016

7

Different definitions of Stiefel-Whitney classes

Jan 4, 2019

7

Open book decompositions in dimension 4

Mar 6

6

Can we embed a closed manifold into a homotopy equivalent CW complex?

Aug 18, 2021

5

Amenable link groups

Mar 5

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9

Is there a subject in mathematics like topological Algebra?

9

Representing a Multiple of the Fundamental Class of a Surface

9

Are there non-contractible space such that suspension $\sigma\colon \pi_k(X) \to \pi_{k+1}(\Sigma X)$ is an isomorphism for all $k$?

8

Hurewicz map factors through bordism homology

5

Source request for $H^*(B\mathrm{TOP},\mathbb{Q})\cong H^*(BO,\mathbb{Q})$